PMC8518TSN [ERICSSON]
DC-DC Regulated Power Supply Module, 1 Output, 50W, Hybrid, ROHS COMPLIANT PACKAGE-6;
| 型号： | PMC8518TSN |
| 厂家： | 
ERICSSON |
| 描述： | DC-DC Regulated Power Supply Module, 1 Output, 50W, Hybrid, ROHS COMPLIANT PACKAGE-6 |
| 文件： | 总34页 (文件大小：951K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Key Features
•
•
•
•
•
33.00x13.46x 8.25 mm (1.30 x 0.530 x 0.335in.)
10A output current
8.3-16 V input voltage range
Output voltages from 0.75V up to 5.5V
More than 5 million hours MTBF
General Characteristics
•
•
•
•
•
•
•
Operating temperature: -45oC to 115oC
Output short-circuit protection
Under voltage protection
Remote sense
Remote control
Highly automated manufacturing ensures quality
ISO 9001/14001 certified supplier
Safety Approvals
Design for Environment
Meets requirements in high-
temperature lead-free soldering
processes.
Contents
General Information
............................................................. 2
Safety Specification
Absolute Maximum Ratings
............................................................. 3
............................................................. 4
Product Program
Ordering No.
1.0-5.0 V, 10 A / 50W
PMC 8518T S .........................................
............................................................. 5
............................................................. 8
........................................................... 11
........................................................... 14
........................................................... 17
........................................................... 20
........................................................... 23
1.0 V, 10 A / 10W Electrical Specification
1.2 V, 10 A / 12W Electrical Specification
1.5 V, 10 A / 15W Electrical Specification
1.8 V, 10 A / 18W Electrical Specification
2.5 V, 10 A / 25W Electrical Specification
3.3 V, 10 A / 33W Electrical Specification
5.0 V, 10 A / 50W Electrical Specification
EMC Specification
........................................................... 26
........................................................... 26
........................................................... 29
........................................................... 30
........................................................... 31
........................................................... 32
........................................................... 33
........................................................... 34
Operating Information
Thermal Consideration
Connections
Mechanical Information
Soldering Information
Delivery Information
Product Qualification Specification
2
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Compatibility with RoHS requirements
General Information
The products are compatible with the relevant clauses and
requirements of the RoHS directive 2002/95/EC and have a
maximum concentration value of 0.1% by weight in
homogeneous materials for lead, mercury, hexavalent
chromium, PBB and PBDE and of 0.01% by weight in
homogeneous materials for cadmium.
Ordering Information
See Contents for individual product ordering numbers.
Option
Suffix
N
Ordering No.
PMC 8518T SN
Negative Remote Control Logic
Exemptions in the RoHS directive utilized in Ericsson
Power Modules products include:
Reliability
-
Lead in high melting temperature type solder (used to
solder the die in semiconductor packages)
Lead in glass of electronics components and in
electronic ceramic parts (e.g. fill material in chip
resistors)
Lead as an alloying element in copper alloy containing
up to 4% lead by weight (used in connection pins
made of Brass)
The Mean Time Between Failure (MTBF) is calculated at full
output power and an operating ambient temperature (TA) of
+40°C, which is a typical condition in Information and
Communication Technology (ICT) equipment. Different
methods could be used to calculate the predicted MTBF
and failure rate which may give different results. Ericsson
Power Modules currently uses Telcordia SR332.
-
-
Predicted MTBF for the series is:
-
5 million hours according to Telcordia SR332, issue 1,
Black box technique.
Quality Statement
The products are designed and manufactured in an
industrial environment where quality systems and methods
like ISO 9000, 6σ (sigma), and SPC are intensively in use to
boost the continuous improvements strategy. Infant
mortality or early failures in the products are screened out
and they are subjected to an ATE-based final test.
Conservative design rules, design reviews and product
qualifications, plus the high competence of an engaged
work force, contribute to the high quality of our products.
Telcordia SR332 is a commonly used standard method
intended for reliability calculations in ICT equipment. The
parts count procedure used in this method was originally
modelled on the methods from MIL-HDBK-217F, Reliability
Predictions of Electronic Equipment. It assumes that no
reliability data is available on the actual units and devices
for which the predictions are to be made, i.e. all predictions
are based on generic reliability parameters.
Warranty
Warranty period and conditions are defined in Ericsson
Power Modules General Terms and Conditions of Sale.
Limitation of Liability
Ericsson Power Modules does not make any other
warranties, expressed or implied including any warranty of
merchantability or fitness for a particular purpose
(including, but not limited to, use in life support
applications, where malfunctions of product can cause
injury to a person’s health or life).
3
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Safety Specification
Isolated DC/DC converters
It is recommended that a slow blow fuse with a rating
twice the maximum input current per selected product be
used at the input of each DC/DC converter. If an input filter
is used in the circuit the fuse should be placed in front of
the input filter.
General information
Ericsson Power Modules DC/DC converters and DC/DC
regulators are designed in accordance with safety
standards IEC/EN/UL60950, Safety of Information
Technology Equipment.
In the rare event of a component problem in the input filter
or in the DC/DC converter that imposes a short circuit on
the input source, this fuse will provide the following
functions:
IEC/EN/UL60950 contains requirements to prevent injury
or damage due to the following hazards:
•
•
•
•
•
•
Electrical shock
Energy hazards
Fire
Mechanical and heat hazards
Radiation hazards
Chemical hazards
•
•
Isolate the faulty DC/DC converter from the input
power source so as not to affect the operation of
other parts of the system.
Protect the distribution wiring from excessive
current and power loss thus preventing
hazardous overheating.
On-board DC-DC converters are defined as component
power supplies. As components they cannot fully comply
with the provisions of any Safety requirements without
“Conditions of Acceptability”. It is the responsibility of the
installer to ensure that the final product housing these
components complies with the requirements of all
applicable Safety standards and Directives for the final
product.
The galvanic isolation is verified in an electric strength test.
The test voltage (Viso) between input and output is
1500 Vdc or 2250 Vdc for 60 seconds (refer to product
specification).
Leakage current is less than 1 μA at nominal input voltage.
24 V DC systems
The input voltage to the DC/DC converter is SELV (Safety
Extra Low Voltage) and the output remains SELV under
normal and abnormal operating conditions.
Component power supplies for general use should comply
with the requirements in IEC60950, EN60950 and
UL60950 “Safety of information technology equipment”.
48 and 60 V DC systems
There are other more product related standards, e.g.
IEEE802.3af “Ethernet LAN/MAN Data terminal equipment
power”, and ETS300132-2 “Power supply interface at the
input to telecommunications equipment; part 2: DC”, but
all of these standards are based on IEC/EN/UL60950 with
regards to safety.
If the input voltage to the DC/DC converter is 75 Vdc or
less, then the output remains SELV (Safety Extra Low
Voltage) under normal and abnormal operating conditions.
Single fault testing in the input power supply circuit should
be performed with the DC/DC converter connected to
demonstrate that the input voltage does not exceed
75 Vdc.
Ericsson Power Modules DC/DC converters and DC/DC
regulators are UL60950 recognized and certified in
accordance with EN60950.
If the input power source circuit is a DC power system, the
source may be treated as a TNV2 circuit and testing has
demonstrated compliance with SELV limits and isolation
requirements equivalent to Basic Insulation in accordance
with IEC/EN/UL60950.
The flammability rating for all construction parts of the
products meets requirements for V-0 class material
according to IEC 60695-11-10.
The products should be installed in the end-use
Non-isolated DC/DC regulators
equipment, in accordance with the requirements of the
ultimate application. Normally the output of the DC/DC
converter is considered as SELV (Safety Extra Low
Voltage) and the input source must be isolated by
minimum Double or Reinforced Insulation from the primary
circuit (AC mains) in accordance with IEC/EN/UL60950.
The input voltage to the DC/DC regulator is SELV (Safety
Extra Low Voltage) and the output remains SELV under
normal and abnormal operating conditions.
4
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Absolute Maximum Ratings
Characteristics
min
—40
—40
8.3
typ
max
85
Unit
°C
°C
V
Tref
TS
VI
Operating Temperature (see Thermal Consideration section)
Storage temperature
Input voltage
125
16
12.0
Positive logic option
Negative logic option
1.7
16
V
Remote Control pin voltage
(see Operating Information section)
VRC
Vadj
-0.3
N/A
0.3
N/A
V
Adjust pin voltage (see Operating Information section)
V
Stress in excess of Absolute Maximum Ratings may cause permanent damage. Absolute Maximum Ratings, sometimes referred to as no destruction limits, are
normally tested with one parameter at a time exceeding the limits of Output data or Electrical Characteristics. If exposed to stress above these limits, function and
performance may degrade in an unspecified manner.
Fundamental Circuit Diagram
5
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.0 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 41.42 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
10
W
50 % of max IO
max IO
83.5
84.2
1.9
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
2.2
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
0.5
35
mW
A
1.0
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
22
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
24
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
20
23
24
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
25
70
A
VOac
35
mVp-p
6
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.0 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
95
[W]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
8.3 V
12 V
16 V
8.3 V
80
12 V
75
16 V
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
10
8
12
9
6
6
4
2
3
0
0
0
20
40
60
80
100 [°C]
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
[V]
1.20
1.10
0.90
0.60
0.30
0.00
1.05
1.00
0.95
0.90
8.3 V
12 V
16 V
8.3 V
12 V
16 V
10
14
18
22
26
30 [A]
0
2
4
6
8
10 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
7
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.0 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
8
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.2 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 22.46 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
12
W
50 % of max IO
max IO
85.6
86.3
1.9
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
2.2
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
0.5
35
mW
A
1.2
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
21
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
21
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
19
22
22
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
24
70
A
VOac
35
mVp-p
9
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.2 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
95
[W]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
8.3 V
12 V
16 V
8.3 V
80
12 V
75
16 V
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
10
8
12
9
6
6
4
2
3
0
0
0
20
40
60
80
100 [°C]
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
[V]
1.50
1.30
1.20
0.90
0.60
0.30
0.00
1.25
1.20
1.15
1.10
8.3 V
12 V
16 V
8.3 V
12 V
16 V
10
14
18
22
26
30 [A]
0
2
4
6
8
10 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
10
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.2 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
ref = +25°C, VI = 12 V,
O = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
T
I
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
Tref = +25°C, VI = 12 V,
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
I
O = 10 A resistive load.
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
11
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.5 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 13.05 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
15
W
50 % of max IO
max IO
87.7
88.3
2.0
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
2.3
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
0.6
35
mW
A
1.4
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
20
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
20
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
13
19
19
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
21
70
A
VOac
35
mVp-p
12
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.5 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
95
[W]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
8.3 V
12 V
16 V
8.3 V
80
12 V
75
16 V
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
10
8
12
9
6
6
4
3
2
0
0
0
20
40
60
80
100 [°C]
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
[V]
1.80
1.60
1.50
1.20
0.90
0.60
0.30
0.00
1.55
1.50
1.45
1.40
8.3 V
12 V
16 V
8.3 V
12 V
16 V
0
2
4
6
8
10 [A]
10
14
18
22
26 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
13
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.5 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
ref = +25°C, VI = 12 V,
O = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
T
I
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
Tref = +25°C, VI = 12 V,
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
I
O = 10 A resistive load.
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
14
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.8 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 9.024 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
18
W
50 % of max IO
max IO
89.2
89.7
2.1
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
2.4
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
0.6
35
mW
A
1.7
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
18
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
18
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
13
19
19
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
21
70
A
VOac
35
mVp-p
15
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.8 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
95
[W]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
8.3 V
12 V
16 V
8.3 V
80
12 V
75
16 V
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
10
8
12
9
6
6
4
2
3
0
0
0
20
40
60
80
100 [°C]
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
[V]
2.00
1.90
1.60
1.20
0.80
0.40
0.00
1.85
1.80
1.75
1.70
8.3 V
12 V
16 V
8.3 V
12 V
16 V
10
14
18
22
26 [A]
0
2
4
6
8
10 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
16
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
1.8 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
ref = +25°C, VI = 12 V,
O = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
T
I
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
Tref = +25°C, VI = 12 V,
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
I
O = 10 A resistive load.
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
17
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
2.5 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 5.009 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
25
W
50 % of max IO
max IO
91.2
91.8
2.2
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
2.5
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
0.7
35
mW
A
2.3
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
16
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
16
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
13
19
19
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
21
70
A
VOac
35
mVp-p
18
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
2.5 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
95
[W]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
8.3 V
12 V
16 V
8.3 V
80
12 V
75
16 V
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
10
8
12
9
6
6
4
2
3
0
0
0
20
40
60
80
100 [°C]
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
[V]
3.00
2.60
2.50
2.00
1.50
1.00
0.50
0.00
2.55
2.50
2.45
2.40
8.3 V
12 V
16 V
8.3 V
12 V
16 V
0
2
4
6
8
10 [A]
10
13
16
19
22 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
19
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
2.5 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
ref = +25°C, VI = 12 V,
O = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
T
I
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
Tref = +25°C, VI = 12 V,
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
I
O = 10 A resistive load.
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
20
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
3.3 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 3.122 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
33
W
50 % of max IO
max IO
92.6
93.2
2.4
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
2.7
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
0.9
35
mW
A
3.0
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
16
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
16
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
12
17
17
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
19
70
A
VOac
35
mVp-p
21
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
3.3 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
95
[W]
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
85
8.3 V
12 V
16 V
8.3 V
80
12 V
75
16 V
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
Tref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
10
8
12
9
6
6
4
3
2
0
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
3.60
[V]
3.40
3.00
2.40
1.80
1.20
0.60
0.00
3.35
3.30
3.25
3.20
8.3 V
12 V
16 V
8.3 V
12 V
16 V
0
2
4
6
8
10 [A]
10
13
16
19
22 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
22
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
3.3 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
ref = +25°C, VI = 12 V,
O = 10 A resistive load.
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Top trace: output voltage (1.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
T
I
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
Tref = +25°C, VI = 12 V,
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
I
O = 10 A resistive load.
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
23
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
5.0 V/10 A Electrical Specification
PMC 8518T S
Tref = -40 to +85ºC, VI = 8.3 to 16 V, Radj = 1.472 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 12 V, max IO , unless otherwise specified under Conditions.
Additional Cin = 4×4.7 µF and Cout = 2×150 µF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
8.3
typ
max
16
Unit
V
VI
Input voltage range
VIoff
VIon
CI
Turn-off input voltage
Turn-on input voltage
Internal input capacitance
Output power
Decreasing input voltage
Increasing input voltage
7.8
8.0
30
V
V
µF
PO
0
50
W
50 % of max IO
max IO
94.3
94.8
2.7
η
Efficiency
%
Pd
Pli
PRC
IS
Power Dissipation
Input idling power
Input standby power
Static Input current
Switching frequency
max IO
3.0
W
W
IO= 0 A, VI = 12.0 V
VI = 12.0 V (turned off with RC)
VI = 12.0 V, max IO
0-100 % of max IO
1.1
35
mW
A
4.4
fs
260
-2
300
340
+2
kHz
Output voltage initial setting and
accuracy
VOi
Tref = +25°C, VI = 12.0 V, max IO
%V
Output voltage tolerance band
Idling voltage
10-100 % of max IO
-3
-2
+3
+2
%V
%V
mV
mV
IO = 0 A
VO
Line regulation
max IO
2
Load regulation
VI = 12.0 V, 0-100 % of max IO
10
Load transient
voltage deviation
Vtr
ttr
tr
±100
40
mV
VI = 12.0 V, Load step 25-75-25 %
of max IO, di/dt = 5 A/µs
Load transient recovery time
µs
Ramp-up time
(from 10−90 % of VOi)
3
ms
ms
max IO
Max IO
Start-up time
(from VI connection to 90 % of VOi)
ts
tf
7
1
16
7
ms
VI shut-down fall time.
(From VI off to 10 % of VO)
IO = 0 A
s
RC start-up time
Max IO
Max IO
Io = 0 A
ms
ms
s
tRC tInh
1
RC shut-down fall time
(From RC off to 10 % of VO)
15
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref
11
14
14
A
Tref = 25ºC, See Operating
Information section.
See ripple & noise section,
max IO
Isc
Short circuit current
Output ripple & noise
16
70
A
VOac
35
mVp-p
24
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
5.0 V/10 A Typical Characteristics
Efficiency
PMC 8518T S
Power Dissipation
[%]
100
[W]
3.6
3.0
2.4
1.8
1.2
0.6
0.0
95
90
8.3 V
12 V
16 V
8.3 V
12 V
16 V
85
80
75
70
0
2
4
6
8
10 [A]
0
2
4
6
8
10 [A]
Dissipated power vs. load current and input voltage at
ref = +25°C
Efficiency vs. load current and input voltage at Tref = +25°C
T
Output Current Derating
Thermal Resistance
[A]
12
12 Vin Max IO
[°C/W]
15
3.0 m/s
10
8
2.5 m/s
2.0 m/s
1.5 m/s
1.0 m/s
Nat. Conv.
12
9
6
6
4
3
2
0
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0[m/s]
0
20
40
60
80
100 [°C]
Available load current vs. ambient air temperature and airflow at
VI = 12 V. See Thermal Consideration section.
Thermal resistance vs. airspeed measured at the converter.
Tested in wind tunnel with airflow and test conditions as per
the Thermal consideration section.
Output Characteristics
Current Limit Characteristics
[V]
6.00
[V]
5.10
5.00
4.00
3.00
2.00
1.00
0.00
5.05
5.00
4.95
4.90
8.3 V
12 V
16 V
8.3 V
12 V
16 V
10
11
12
13
14
15
16 [A]
0
2
4
6
8
10 [A]
Output voltage vs. load current at Tref = +25°C
Output voltage vs. load current at IO > max IO , Tref = +25°C
25
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
5.0 V/10 A Typical Characteristics
Start-up
PMC 8518T S
Shut-down
Start-up enabled by connecting VI at:
ref = +25°C, VI = 12 V,
O = 10 A resistive load.
Top trace: output voltage (2.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
Shut-down enabled by disconnecting VI at:
Top trace: output voltage (2.0 V/div.).
Bottom trace: input voltage (10 V/div.).
Time scale: (2 ms/div.).
T
I
Tref = +25°C, VI = 12 V,
IO = 10 A resistive load.
Output Ripple & Noise
Output Load Transient Response
Output voltage ripple at:
Trace: output voltage (20 mV/div.).
Time scale: (2 µs/div.).
Output voltage response to load current step- Top trace: output voltage (100 mV/div.).
Tref = +25°C, VI = 12 V,
change (2.5-7.5-2.5 A) at:
Bottom trace: load current (10 A/div.).
Time scale: (0.1 ms/div.).
I
O = 10 A resistive load.
Tref =+25°C, VI = 12 V.
Output Voltage Adjust (see operating information)
26
Technical Specification
EN/LZT 146 063R3AAug 2007
PMC 8518 series
© Ericsson Power Modules AB
POL regulator, Input 12 V, Output 10 A/50 W
EMC Specification
Output ripple and noise
Conducted EMI measured according to test set-up.
The fundamental switching frequency is 300 kHz for
PMC 8518T S @ VI = 12 V, max IO.
Output ripple and noise measured according to figure below.
See Design Note 022 for detailed information.
Conducted EMI Input terminal value (typ)
Level [dB礎]
100
80
60
40
20
0
-10
150k
300k
500k
1M
2M
3M
5M
7M
10M
30M
Frequency [Hz]
Output ripple and noise test setup
MES EPM_PMC10A_1_pre PK
EMI without filter
Operating information
See “Output Voltage Adjust (Vadj)” section.
Input Voltage
The input voltage range 8.3 to 16 Vdc makes the PMC 8000
easy to use in intermediate bus applications when powered
by a regulated bus converter. For output voltage trims over
5.25 Vout, the input voltage must be reduced to a maximum
of 14 V in order to maintain specified data.
Turn-off Input Voltage
The PMC 8000 Series DC/DC regulators monitor the input
voltage and will turn on and turn off at predetermined levels.
The minimum hysteresis between turn on and turn off input
voltage is 0.2V where the turn on input voltage is the highest.
Test set-up
Remote Control (RC)
Standard Version with “positive logic”
The RC pin may be used to turn on or turn off the regulator
using a suitable open collector function.
Turn off is achieved by connecting the RC pin to ground.
The regulator will run in normal operation when the RC pin is
left open.
Layout recommendation
The radiated EMI performance of the DC/DC regulator will
depend on the PCB layout and ground layer design.
It is also important to consider the stand-off of the DC/DC
regulator.
If a ground layer is used, it should be connected to the output
of the DC/DC regulator and the equipment ground or chassis.
RC
Regulator
condition
OFF
Min
Typ
Max
Unit
A ground layer will increase the stray capacitance in the PCB
and improve the high frequency EMC performance.
Low level
Open
-0.3
1.7
0.3
16
V
V
ON
27
Technical Specification
EN/LZT 146 063R3AAug 2007
PMC 8518 series
© Ericsson Power Modules AB
POL regulator, Input 12 V, Output 10 A/50 W
20-40 W
40-50 W
5x4.7uF
8x4.7uF
2x4.7uF
4x4.7uF
------
2x4.7uF
Required output filter:
External output capacitance is also required to reduce the
output ripple and to obtain specified load step response. It is
recommended to use low ESR polymer capacitors or low ESR
ceramic capacitors.
Minimum requirement:
PMC 8518T S 2 x 150 uF. (low ESR polymer type).
This is the output filter used in the verification and a
requirement to meet the specification.
Input And Output Impedance
Standard Version with “negative logic”
The RC pin may be used to turn on or turn off the regulator
using a suitable open collector function.
The impedance of both the power source and the load will
interact with the impedance of the DC/DC regulator. It is most
important to have low characteristic impedance, both at the
input and output, as the regulators have a low energy storage
capability. Use capacitors across the input if the source
inductance is greater than 4.7 uH. Suitable input capacitors
are 22 uF - 220 uF low ESR ceramics.
Turn off is achieved by connecting the RC pin to the input
voltage. The regulator will run in normal operation when the
RC pin is left open.
RC
Regulator
condition
OFF
Min
1.7
Typ
Max
16
Unit
High level
Open
V
V
ON
Maximum Capacitive Load
When powering loads with significant dynamic current
requirements, the voltage regulation at the load can be
improved by addition of decoupling capacitance at the load.
The most effective technique is to locate low ESR ceramic
capacitors as close to the load as possible, using several
capacitors to lower the total ESR. These ceramic capacitors
will handle short duration high-frequency components of
dynamic load changes. In addition, higher values of
capacitors (electrolytic capacitors) should be used to handle
the mid-frequency components. It is equally important to use
good design practice when configuring the DC distribution
system.
Low resistance and low inductance PCB layouts and cabling
should be used. Remember that when using remote sensing,
all resistance (including the ESR), inductance and
capacitance of the distribution system is within the feedback
loop of the regulator. This can affect on the regulators
compensation and the resulting stability and dynamic
response performance.
External Capacitors
Required Input Filter:
External input capacitors are required to increase the lifetime
of the internal capacitors. Low ESR ceramics should be used,
the minimum input capacitance is stated below.
PMC 8518T S 1 x 4.7 uF.
Very low ESR and high capacitance must be used with care.
A “rule of thumb” is that the total capacitance must never
exceed typically 500-700 uF if only low ESR (< 2 mΩ) ceramic
capacitors are used. If more capacitance is needed, a
combination of low ESR type and electrolytic capacitors
should be used; otherwise the stability will be affected.
The PMC 8000 series regulator can accept up to 5 mF of
capacitive load on the output at full load. This gives <500
uF/A of Io. When using that large capacitance it is important
to consider the selection of output capacitors; the resulting
behaviour is a combination of the amount of capacitance and
ESR.
Optional Input Filter:
To minimize input ripple and to ensure even better stability
more capacitors can be added, see table below.
Consider the max output power in a given application and
choose sufficient capacitors to obtain desired ripple level.
Make sure that the extra capacitors are placed near the input
pins. The table below is just an example since the board
layout also has effect on the result.
Output
power
Desired input ripple (mVp-p)
150
250
500
0-20 W
2x4.7uF
------
------
A combination of low ESR and output capacitance exceeding
28
Technical Specification
EN/LZT 146 063R3AAug 2007
PMC 8518 series
© Ericsson Power Modules AB
POL regulator, Input 12 V, Output 10 A/50 W
5 mF for PMC 8518 can cause the regulator into over current
protection mode (hick-up) due to high start up current. The
output filter must therefore be designed without exceeding
the above stated capacitance levels if the ESR is lower then
30-40 mΩ.
Over Temperature Protection (OTP)
The PMC 8000 Series DC/DC regulators are protected from
thermal overload by an internal over temperature shutdown
circuit. When the PCB temperature near the IC circuit reaches
130 °C the converter will shut down immediately. The
regulator will make continuous attempts to start up (non-
latching mode) and resume normal operation automatically
when the temperature has dropped below the temperature
threshold.
Output Voltage Adjust (Vadj
)
All PMC 8000 Series DC/DC regulators have an Output
Voltage adjust pin(Vadj). This pin can be used to adjust the
output voltage about output voltage initial setting(0.75V).
When increasing the output voltage the maximum power
rating of the converter remains the same, and the output
current capability will therefore decrease correspondingly. To
increase the output voltage a resistor or a voltage signal
should be connected/applied between Vadj pin and GND. The
resistor/voltage signal value for some standard output
setponts are given below, for other voltage setpoints use the
formulas to calculate the correct resistor or voltage signal. For
output voltages of 5.25V and higher the input voltage is
restricted to maximum 14Vin.
Over Current Protection (OCP)
The PMC 8000 Series DC/DC regulators include current
limiting circuitry that allows them to withstand continuous
overloads or short circuit conditions on the output. The
output voltage will decrease towards zero for output currents
in excess of max output current (Iomax). When the current
limit is reached the regulator will go into hiccup mode.
The current limit is temperature dependent, i.e. the limit
decrease at higher operating temperature, the regulator is
guaranteed to start at Iomax × 1.25 @ Tref 115°C.
The regulator will resume normal operation after removal of
the overload. The load distribution system should be
designed to carry the maximum output short circuit current
specified.
Formula 1: Radj = (10500/(Vout — 0.7525)) — 1000 (ohm)
Formula 2: Vtrim = (0.7 — 0.0667 x (Vout — 0.7525)) (V)
Vout (V)
0.75
1.00
1.20
1.50
1.80
2.50
3.30
5.00
5.50
Radj (kohm)
Open
Vtrim (V)
Open
0.684
0.670
0.650
0.630
0.583
0.530
0.417
0.383
41.42
22.46
13.05
9.024
5.009
3.122
1.472
1.212
Parallel Operation
The PMC 8000 Series DC/DC regulators can be connected in
parallel with a common input. Paralleling is accomplished by
connecting the output voltage pins directly and using a load
sharing device on the input. Layout considerations should be
made to avoid load imbalance. For more details on
paralleling, please consult your local applications support.
Remote Sense
All PMC 8000 Series DC/DC regulators have a positive
remote sense pin that can be used to compensate for
moderate amounts of resistance in the distribution system
and allow for voltage regulation at the load or other selected
point. The remote sense line will carry very little current and
does not need a large cross sectional area. However, the
sense line on the PCB should be located close to a ground
trace or ground plane. The remote sense circuitry will
compensate for up to 10% voltage drop between the sense
voltage and the voltage at the output pins from Vonom. If the
remote sense is not needed the sense pin should be left open
or connected to the positive output.
29
Technical Specification
EN/LZT 146 063R3AAug 2007
PMC 8518 series
© Ericsson Power Modules AB
POL regulator, Input 12 V, Output 10 A/50 W
Thermal Consideration
General
The regulators are designed to operate in different thermal
environments and sufficient cooling must be provided to
ensure reliable operation.
Cooling is achieved mainly by conduction, from the pins to
the host board, and convection, which is dependant on the
airflow across the regulator. Increased airflow enhances the
cooling of the regulator.
The Output Current Derating graph found in the Output
section for each model provides the available output current
vs. ambient air temperature and air velocity at Vin = 12 V.
The DC/DC regulator is tested on a 254 x 254 mm,
35 μm (1 oz), 8-layer test board mounted vertically in a wind
tunnel with a cross-section of 305 x 305 mm.
Proper cooling of the DC/DC regulator can be verified by
measuring the temperature at positions P1, P2 and P3. The
temperature at these positions should not exceed the max
values provided in the table below.
Note that the max value is the absolute maximum rating
(non destruction) and that the electrical Output data is
guaranteed up to Tref
.
See Design Note 019 for further information.
Position
P1
Device
Pcb
Designation
Tref
max value
115º C
P2
P3
Mosfet
Inductor
30
Technical Specification
EN/LZT 146 063R3AAug 2007
PMC 8518 series
© Ericsson Power Modules AB
POL regulator, Input 12 V, Output 10 A/50 W
Thermal Consideration continued
Connections
Definition of reference temperature (Tref
)
The reference temperature is used to monitor the temperature
limits of the product. Temperatures above maximum Tref are
not allowed and may cause degradation or permanent
damage to the product. Tref is also used to define the
temperature range for normal operating conditions.
Tref is defined by the design and used to guarantee safety
margins, proper operation and high reliability of the module.
TOP VIEW
Ambient Temperature Calculation
By using the thermal resistance the maximum allowed
ambient temperature can be calculated.
1. The power loss is calculated by using the formula
((1/η) - 1) × output power = power losses (Pd).
η = efficiency of regulator. E.g 88 % = 0.88
Pin
Designation
RC
Function
Remote Control
1
2
3
4
5
6
+In
Positive input
2. Find the thermal resistance (Rth) in the Thermal Resistance
graph found in the Output section for each model.
Calculate the temperature increase (ΔT).
ΔT = Rth x Pd
Gnd
Ground
+Out
Vadj
Positive output
External output adjust
Positive remote sense
+Sense
3. Max allowed ambient temperature is:
Max Tref - ΔT.
E.g 5 V output at 1 m/s, full load, 12 Vin
:
1
1. ((
) - 1) × 50 W = 2.74 W
0.948
2. 2.74 W × 10.0°C/W = 27.4°C
3. 115 °C — 27.4°C = max ambient temperature is 87.6°C
The actual temperature will be dependent on several factors
such as the PCB size, number of layers and direction of
airflow.
31
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Mechanical Information
32
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Main transformer is chosen as reference location for the
Soldering Information - Surface Mounting
maximum (peak) allowed product temperature since this will
likely be the warmest parts of the product during the reflow
process.
The product is intended for convection or vapor phase reflow
SnPb or Pb-free processes. To achieve a good and reliable
soldering result, make sure to follow the recommendations
from the solder paste supplier, to use state-of-the-art reflow
equipment and reflow profiling techniques as well as the
following guidelines.
To avoid damage or performance degradation of the product,
the reflow profile should be optimized to avoid excessive
heating. A sufficiently extended preheat time is recommended
to ensure an even temperature across the host PCB, for both
small and large devices. To reduce the risk of excessive
heating is also recommended to reduce the time in the reflow
zone as much as possible.
A no-clean flux is recommended to avoid entrapment of
cleaning fluids in cavities inside the product or between the
product and the host board. The cleaning residues may affect
long time reliability and isolation voltage.
SnPb solder processes
Minimum Pin Temperature Recommendations
For conventional SnPb solder processes, the product is
qualified for MSL 1 according to IPC/JEDEC standard
J-STD-020C.
Pin number 4 is chosen as reference location for the minimum
pin temperature recommendations since this will likely be the
coolest solder joint during the reflow process.
During reflow, TP must not exceed +225 °C at any time.
Lead-free (Pb-free) solder processes
Main transformer for
Measurement of Max
product temperature, TP
For Pb-free solder processes, the product is qualified for
MSL 1 according to IPC/JEDEC standard J-STD-020C.
PIN 4for measurement of
minimum solder joint
temperature, TPIN
During reflow, TP must not exceed +245 °C at any time.
SnPb solder processes
Temperature
For Pb solder processes, a pin temperature (TPIN) in excess of
the solder melting temperature, (TL, +183°C for Sn63/Pb37)
for more than 30 seconds, and a peak temperature of +210°C
is recommended to ensure a reliable solder joint.
Ramp-up
TP
Ramp-down
(cooling)
TL
Reflow
Lead-free (Pb-free) solder processes
For Pb-free solder processes, a pin temperature (TPIN) in
excess of the solder melting temperature (TL, +217 to
+221 °C for Sn/Ag/Cu solder alloys) for more than 30
seconds, and a peak temperature of +235°C on all solder
joints is recommended to ensure a reliable solder joint.
Preheat
Time 25 °C to peak
25 °C
Time
Profile features
Sn/Pb eutectic
assembly
Pb-free assembly
Average ramp-up rate
3
°C/s max
3 °C/s max
Solder melting
TL
+183 °C
+217 °C
temperature (typical)
Peak product temperature TP
Average ramp-down rate
+225 °C 1
+245 °C
6
°C/s max
6
°C/s max
Time 25 °C to peak
temperature
6 minutes max
8 minutes max
Peak Product Temperature Requirements
33
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Delivery Package Information
The products are delivered in antistatic carrier tape
(EIA 481 standard).
Carrier Tape Specifications
Material
Dissipative polystyrene (PS)
Ohm/square < 105
Surface resistance
Bak
The tape is not bake
44 mm [1.732 inch]
24 mm [0.945 inch]
8.6 mm [0.339 inch]
330 mm [13 inch]
Tape width
Pocket pitch
Pocket depth
Reel diameter
Reel capacity
Reel weight
200 products /reel
1.9 kg/full reel (typical)
34
Technical Specification
EN/LZT 146 063 R3A Aug 2007
PMC 8518 series
POL regulator, Input 12 V, Output 10 A/50 W
© Ericsson Power Modules AB
Product Qualification Specification
Characteristics
External visual inspection
IPC-A-610D
Change of temperature
(Temperature cycling)
JESD22-A104-B
Temperature range
Number of cycles
Dwell/transfer time
-40 to +125 °C
300
30 min/0-1 min
Cold (in operation)
Damp heat
IEC 68-2-1 Ad
Temperature TA
Duration
-45 °C
72 h
JESD22-A101-B
Temperature
Humidity
Duration
+85 °C
85 % RH
1000 hours
Dry heat
JESD22-A103-B
JESD22-B104-B
J-STD-020C
Temperature
Duration
+125 °C
1000 h
Mechanical shock
Peak acceleration
Duration
200 g
1.5 ms
Moisture reflow sensitivity
classification
SnPb Eutectic
Pb free
MSL 1, peak reflow @ 225 °C
MSL 1, peak reflow @ 245 °C
Operational life test
Ambient temperature
Load
Maximum input voltage ON
Input voltage OFF
Duration
85 °C
Nominal
9 min
3 min
1000 h
Lead integrity
JESD22-B105-C
JESD22-B103-B
Weight on all terminals
1000 g
Random vibration
Frequency
Acceleration density
2-500 Hz
0.008-0.2 g2 / Hz
Solderability
IEC 68-2-58 Td
Solder immersion depth
Time for onset of wetting
Wetting force
1 mm
< 4 s
> 100 mN / m
Sinusoidal vibration
JESD22-B103-B
Frequency
Acceleration amplitude
10…..1000 Hz
10 g
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