PMF4218TSR [ERICSSON]

DC-DC Regulated Power Supply Module, 1 Output, 25W, Hybrid, ROHS COMPLIANT, SMD-10;
PMF4218TSR
型号: PMF4218TSR
厂家: ERICSSON    ERICSSON
描述:

DC-DC Regulated Power Supply Module, 1 Output, 25W, Hybrid, ROHS COMPLIANT, SMD-10

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CAug2007
0series  
V, Otput 10 A/25 W  
Key Features  
10A output current  
2.95-3.65V input voltage range  
Output voltages from 0.8V up to 2.5V  
Industry standard POLA™ compatible  
22.1 x 12.57 x 8.51 mm (0.87 x 0.5 x 0.335 in.)  
High efficiency, up to. 94%  
Auto Track™ sequencing pin  
More than 4.0 million hours MTBF  
General Characteristics  
Operating temperature: -40ºC to 85ºC  
Input under voltage protection  
Start up into a pre-biased output safe  
Output short-circuit protection  
On/Off inhibit control  
Wide output voltage adjust function  
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  
Safety Specification  
Absolute Maximum Ratings  
............................................................. 2  
............................................................. 3  
............................................................. 4  
Product Program  
0.8-2.5 V/10 A  
Ordering No.  
PMF 4218T ............................................  
............................................................. 5  
............................................................. 8  
........................................................... 11  
........................................................... 14  
........................................................... 17  
1.0 V/10 A Electrical Specification  
1.2 V/10 A Electrical Specification  
1.5 V/10 A Electrical Specification  
1.8 V/10 A Electrical Specification  
2.5 V/10 A Electrical Specification  
EMC Specification  
........................................................... 20  
........................................................... 20  
........................................................... 22  
........................................................... 23  
........................................................... 24  
........................................................... 26  
........................................................... 28  
........................................................... 29  
Operating Information  
Thermal Consideration  
Connections  
Mechanical Information  
Soldering Information  
Delivery Information  
Product Qualification Specification  
2
CAug2007
0series  
V, Otput 10 A/25 W  
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 in other applications other  
than lead in solder, lead in high melting temperature type  
solder, lead in glass of electronics components, lead in  
electronic ceramic parts and lead as an alloying element in  
copper containing up to 4% lead by weight, 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  
Through hole pin  
SMD pin  
SMD pin, leadfree reflow  
temperature capable  
Suffix  
P
S
PMF4218TP  
PMF4218TS  
R
PMF4218TSR  
Reliability  
Exemptions in the RoHS directive utilized in the products:  
The Mean Time Between Failure (MTBF) is calculated at full  
output power and an operating ambient temperature (TA) of  
+40°C. 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.  
-
Lead as an alloying element in copper alloy containing  
up to 4% lead by weight (used in connection pins  
made of Brass)  
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 in solder for servers, storage and storage array  
systems, network infrastructure equipment for  
switching, signalling, transmission as well as network  
management for telecommunication  
(Note: the products are manufactured in lead-free  
soldering processes and the lead present is only  
located in the terminal plating finishes on some  
components)  
-
-
Predicted MTBF for the series is:  
-
4.04 million hours according to Telcordia SR332, issue  
1, Black box technique.  
-
Telcordia SR332 is a commonly used standard method  
intended for reliability calculations in IT&T 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.  
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.  
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
CAug2007
0series  
V, Otput 10 A/25 W  
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 Ericsson Power Modules 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  
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.  
Non-isolated DC/DC regulators  
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.  
E
4
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
Absolute Maximum Ratings  
Characteristics  
min  
–40  
typ  
max  
85  
Unit  
°C  
°C  
V
Tref  
TS  
VI  
Operating Temperature (see Thermal Consideration section)  
Storage temperature  
Input voltage  
–40  
125  
2.95  
Vin-0.5  
N/A  
3.30  
3.65  
Open  
N/A  
N/A  
Positive logic option  
Negative logic option  
V
Inhibit On/Off pin voltage  
(see Operating Information section)  
Vinh  
Vadj  
V
Adjust pin voltage (see Operating Information section)  
N/A  
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  
3
2
1
2
VIN  
VOUT  
VSEN  
1
3
2
1
GND  
Auto Track  
TRK  
ADJ  
PWM Controller  
Error Amplifier  
Ref  
INH  
RC Block  
GND  
GND  
GND  
MARDN  
MARUP  
E
5
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.0 V/10 A Electrical Specification  
PMF 4218T  
Tref = -40 to +85ºC, VI = 2.95 to 3.65 V, Radj = 36.5 kΩ, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 3.3 V, max IO , unless otherwise specified under Conditions.  
Additional Cin=330uF and Cout=330uF. See Operating Information section for selection of capacitor types.  
Connect the sense pin, where available, to the output pin.  
Characteristics  
Conditions  
min  
2.95  
2.2  
typ  
max  
3.65  
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  
2.40  
2.45  
45  
V
2.8  
10  
V
μF  
W
PO  
0
50 % of max IO  
max IO  
87.8  
81.4  
2.3  
η
Efficiency  
%
Pd  
Pli  
PRC  
IS  
Power Dissipation  
Input idling power  
Input standby power  
Static Input current  
Switching frequency  
max IO  
2.8  
W
mW  
mW  
A
IO= 0, VI = 3.3 V  
VI = 3.3 V (turned off with INHIBIT)  
VI = 3.3 V, max IO  
0-100% of max IO  
130  
33  
3.8  
fs  
275  
300  
325  
kHz  
Output voltage initial setting and  
accuracy  
VOi  
Tref = +25°C, VI = 3.3 V, max IO  
0.980  
1.970  
1.000  
1.020  
1.030  
V
Output voltage tolerance band  
Idling voltage  
10-100% of max IO  
V
IO = 0  
1.008  
±10  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 3.3 V, 0-100% of max IO  
±12  
Load transient  
voltage deviation  
VI = 3.3 V, Load step 50-100-50 %  
of max IO, di/dt = 1 A/μs,  
see Note 1  
Vtr  
ttr  
tr  
±110  
50  
mV  
μs  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
3.8  
ms  
max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
tf  
6.5  
ms  
Max Io  
60  
540  
5.8  
60  
μs  
μs  
ms  
μs  
ms  
A
Vin shutdown fall time.  
(From VI off to 10% of VO)  
Io = 1A  
Max Io  
INHIBIT start-up time  
tInh  
Max Io  
INHIBIT shutdown fall time  
(From INHIBIT off to 10% of VO)  
Io = 0.1 A  
2.6  
IO  
Output current  
0
10  
Ilim  
Current limit threshold  
Tref < max Tref,  
20  
25  
A
See ripple & noise section,  
max IO, VOi  
VOac  
Output ripple & noise  
mVp-p  
Note 1: Output filter according to Ripple & Noise section  
E
6
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.0 V/10 A Typical Characteristics  
PMF 4218T  
Efficiency  
Power Dissipation  
[W]  
4
[%]  
100  
95  
90  
85  
80  
75  
3
2
1
0
2.95 V  
3.3 V  
2.95 V  
3.3 V  
3.65 V  
3.65 V  
70  
0
0
2
4
6
8
10  
12 [A]  
2
4
6
8
10  
12 [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  
Output Characteristics  
[A]  
14  
[V]  
1.10  
12  
10  
8
2.0 m/s  
1.05  
1.00  
0.95  
0.90  
2.95 V  
3.3 V  
1.0 m/s  
6
3.65 V  
0.5 m/s  
4
2
Nat. Conv.  
0
0
2
4
6
8
10  
12 [A]  
0
20  
40  
60  
80  
[°C]  
Available load current vs. ambient air temperature and airflow at  
VI = 3.3 V, VOUT = 2.5 V. See Thermal Consideration section.  
Output voltage vs. load current at Tref = +25°C  
E
7
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.0 V/10 A Typical Characteristics  
PMF 4218T  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, VI = 3.3 V,  
IO = 10 A resistive load.  
Top trace: output voltage (0.5 V/div.).  
Bottom trace: input voltage (2 V/div.).  
Time scale: (5 ms/div.).  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (1.0 V/div.). Bottom  
trace: input voltage (2 V/div.).  
Time scale: 5.0 ms/div.  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (20mV/div.) at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V. Time scale: 2 μs/div.  
See the filter in the Output ripple and noise  
section (EMC Specification).  
Output voltage response to load current step- Top trace: output voltage (100mV/div.).  
change (5-10-5 A) at:  
Bottom trace: load current (5 A/div.).  
Time scale: 0.1 ms/div.  
Tref =+25°C, VI = 3.3 V.  
E
8
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.2 V/10 A Electrical Specification  
PMF 4218T  
Tref = -40 to +85ºC, VI = 2.95 to 3.65 V, Radj = 17.4 kΩ, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 3.3 V, max IO , unless otherwise specified under Conditions.  
Additional Cin=330uF and Cout=330uF. See Operating Information section for selection of capacitor types.  
Connect the sense pin, where available, to the output pin.  
Characteristics  
Conditions  
min  
2.95  
2.2  
typ  
max  
3.65  
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  
2.40  
2.45  
45  
V
2.8  
12  
V
μF  
W
PO  
0
50 % of max IO  
max IO  
89.2  
83.7  
2.3  
η
Efficiency  
%
Pd  
Pli  
PRC  
IS  
Power Dissipation  
Input idling power  
Input standby power  
Static Input current  
Switching frequency  
max IO  
2.8  
W
mW  
mW  
A
IO= 0, VI = 3.3 V  
VI = 3.3 V (turned off with INHIBIT)  
VI = 3.3 V, max IO  
0-100% of max IO  
140  
33  
4.4  
fs  
275  
300  
325  
kHz  
Output voltage initial setting and  
accuracy  
VOi  
Tref = +25°C, VI = 3.3 V, max IO  
1.176  
1.164  
1.200  
1.224  
1.236  
V
Output voltage tolerance band  
Idling voltage  
10-100% of max IO  
V
IO = 0  
1.206  
±10  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 3.3 V, 0-100% of max IO  
±12  
Load transient  
voltage deviation  
VI = 3.3 V, Load step 50-100-50 %  
of max IO, di/dt = 1 A/μs,  
see Note 1  
Vtr  
ttr  
tr  
±110  
50  
mV  
μs  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
3.9  
ms  
max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
tf  
6.6  
ms  
Max Io  
70  
410  
6.0  
70  
μs  
μs  
ms  
μs  
ms  
A
Vin shutdown fall time.  
(From VI off to 10% of VO)  
Io = 1A  
Max Io  
INHIBIT start-up time  
tInh  
Max Io  
INHIBIT shutdown fall time  
(From INHIBIT off to 10% of VO)  
Io = 0.1 A  
3.1  
IO  
Output current  
0
10  
Ilim  
Current limit threshold  
Tref < max Tref,  
20  
25  
A
See ripple & noise section,  
max IO, VOi  
VOac  
Output ripple & noise  
mVp-p  
Note 1: Output filter according to Ripple & Noise section  
E
9
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.2 V/10 A Typical Characteristics  
PMF 4218T  
Efficiency  
Power Dissipation  
[W]  
4
[%]  
100  
95  
90  
85  
80  
75  
3
2
1
0
2.95 V  
3.3 V  
2.95 V  
3.3 V  
3.65 V  
3.65 V  
70  
0
0
2
4
6
8
10  
12 [A]  
2
4
6
8
10  
12 [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  
Output Characteristics  
[A]  
14  
[V]  
1.30  
12  
10  
8
2.0 m/s  
1.25  
1.20  
1.15  
1.10  
2.95 V  
3.3 V  
1.0 m/s  
6
3.65 V  
0.5 m/s  
4
2
Nat. Conv.  
0
0
20  
40  
60  
80  
[°C]  
0
2
4
6
8
10  
12 [A]  
Available load current vs. ambient air temperature and airflow at  
VI = 3.3 V, VOUT = 2.5 V. See Thermal Consideration section.  
Output voltage vs. load current at Tref = +25°C  
E
10  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.2 V/10 A Typical Characteristics  
PMF 4218T  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (0.5 V/div.).  
Bottom trace: input voltage (2 V/div.).  
Time scale: 5 ms/div..  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (1.0 V/div.). Bottom  
trace: input voltage (2 V/div.).  
Time scale: 5.0 ms/div..  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (20mV/div.) at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V. Time scale: 2 μs/div.  
See the filter in the Output ripple and noise  
section (EMC Specification).  
Output voltage response to load current step- Top trace: output voltage (100mV/div.).  
change (5-10-5 A) at:  
Bottom trace: load current (5 A/div.).  
Time scale: 0.1 ms/div..  
Tref =+25°C, VI = 3.3 V.  
E
11  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.5 V/10 A Electrical Specification  
PMF 4218T  
Tref = -40 to +85ºC, VI = 2.95 to 3.65 V, Radj = 8.87 kΩ, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 3.3 V, max IO , unless otherwise specified under Conditions.  
Additional Cin=330uF and Cout=330uF. See Operating Information section for selection of capacitor types.  
Connect the sense pin, where available, to the output pin.  
Characteristics  
Conditions  
min  
2.95  
2.2  
typ  
max  
3.65  
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  
2.40  
2.45  
45  
V
2.8  
15  
V
μF  
W
PO  
0
50 % of max IO  
max IO  
90.8  
86.2  
2.4  
η
Efficiency  
%
Pd  
Pli  
PRC  
IS  
Power Dissipation  
Input idling power  
Input standby power  
Static Input current  
Switching frequency  
max IO  
2.9  
W
mW  
mW  
A
IO= 0, VI = 3.3 V  
VI = 3.3 V (turned off with INHIBIT)  
VI = 3.3 V, max IO  
0-100% of max IO  
150  
33  
5.3  
fs  
275  
300  
325  
kHz  
Output voltage initial setting and  
accuracy  
VOi  
Tref = +25°C, VI = 3.3 V, max IO  
1.470  
1.455  
1.500  
1.530  
1.545  
V
Output voltage tolerance band  
Idling voltage  
10-100% of max IO  
V
IO = 0  
1.508  
±10  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 3.3 V, 0-100% of max IO  
±12  
Load transient  
voltage deviation  
VI = 3.3 V, Load step 50-100-50 %  
of max IO, di/dt = 1 A/μs,  
see Note 1  
Vtr  
ttr  
tr  
±120  
60  
mV  
μs  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
3.9  
ms  
max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
tf  
6.6  
ms  
Max Io  
80  
540  
6.2  
70  
μs  
μs  
ms  
μs  
ms  
A
Vin shutdown fall time.  
(From VI off to 10% of VO)  
Io = 1A  
Max Io  
INHIBIT start-up time  
tInh  
Max Io  
INHIBIT shutdown fall time  
(From INHIBIT off to 10% of VO)  
Io = 0.1 A  
4.0  
IO  
Output current  
0
10  
Ilim  
Current limit threshold  
Tref < max Tref,  
20  
25  
A
See ripple & noise section,  
max IO, VOi  
VOac  
Output ripple & noise  
mVp-p  
Note 1: Output filter according to Ripple & Noise section  
E
12  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.5 V/10 A Typical Characteristics  
PMF 4218T  
Efficiency  
Power Dissipation  
[%]  
[W]  
4
100  
95  
90  
85  
80  
75  
3
2
1
0
2.95 V  
3.3 V  
2.95 V  
3.3 V  
3.65 V  
3.65 V  
70  
0
2
4
6
8
10  
12 [A]  
0
2
4
6
8
10  
12 [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  
Output Characteristics  
[A]  
14  
[V]  
1.60  
12  
10  
8
2.0 m/s  
1.0 m/s  
0.5 m/s  
1.55  
1.50  
1.45  
1.40  
2.95 V  
3.3 V  
6
3.65 V  
4
2
Nat. Conv.  
0
0
20  
40  
60  
80  
[°C]  
0
2
4
6
8
10  
12 [A]  
Available load current vs. ambient air temperature and airflow at  
VI = 3.3 V, VOUT = 2.5 V. See Thermal Consideration section.  
Output voltage vs. load current at Tref = +25°C  
E
13  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.5 V/10 A Typical Characteristics  
PMF 4218T  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (0.5 V/div.).  
Bottom trace: input voltage (2 V/div.).  
Time scale: 5 ms/div..  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (1.0 V/div.). Bottom  
trace: input voltage (2 V/div.).  
Time scale: 5.0 ms/div..  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (20mV/div.) at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V. Time scale: 2 μs/div.  
See the filter in the Output ripple and noise  
section (EMC Specification).  
Output voltage response to load current step- Top trace: output voltage (100mV/div.).  
change (5-10-5 A) at:  
Bottom trace: load current (5 A/div.).  
Time scale: 0.1 ms/div..  
Tref =+25°C, VI = 3.3 V.  
E
14  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.8 V/10 A Electrical Specification  
PMF 4218T  
Tref = -40 to +85ºC, VI = 2.95 to 3.65 V, Radj = 5.49 kΩ, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 3.3 V, max IO , unless otherwise specified under Conditions.  
Additional Cin=330uF and Cout=330uF. See Operating Information section for selection of capacitor types.  
Connect the sense pin, where available, to the output pin.  
Characteristics  
Conditions  
min  
2.95  
2.2  
typ  
max  
3.65  
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  
2.40  
2.45  
45  
V
2.8  
18  
V
μF  
W
PO  
0
50 % of max IO  
max IO  
92.1  
88.1  
2.4  
η
Efficiency  
%
Pd  
Pli  
PRC  
IS  
Power Dissipation  
Input idling power  
Input standby power  
Static Input current  
Switching frequency  
max IO  
2.9  
W
mW  
mW  
A
IO= 0, VI = 3.3 V  
VI = 3.3 V (turned off with INHIBIT)  
VI = 3.3 V, max IO  
0-100% of max IO  
150  
33  
6.2  
fs  
275  
300  
325  
kHz  
Output voltage initial setting and  
accuracy  
VOi  
Tref = +25°C, VI = 3.3 V, max IO  
1.764  
1.746  
1.800  
1.836  
1.854  
V
Output voltage tolerance band  
Idling voltage  
10-100% of max IO  
V
IO = 0  
1.808  
±10  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 3.3 V, 0-100% of max IO  
±12  
Load transient  
voltage deviation  
VI = 3.3 V, Load step 50-100-50 %  
of max IO, di/dt = 1 A/μs,  
see Note 1  
Vtr  
ttr  
tr  
±120  
70  
mV  
μs  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
3.9  
ms  
max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
tf  
6.6  
ms  
Max Io  
100  
680  
6.2  
80  
μs  
μs  
ms  
μs  
ms  
A
Vin shutdown fall time.  
(From VI off to 10% of VO)  
Io = 1A  
Max Io  
INHIBIT start-up time  
tInh  
Max Io  
INHIBIT shutdown fall time  
(From INHIBIT off to 10% of VO)  
Io = 0.1 A  
5.1  
IO  
Output current  
0
10  
Ilim  
Current limit threshold  
Tref < max Tref,  
20  
25  
A
See ripple & noise section,  
max IO, VOi  
VOac  
Output ripple & noise  
mVp-p  
Note 1: Output filter according to Ripple & Noise section  
E
15  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.8 V/10 A Typical Characteristics  
PMF 4218T  
Efficiency  
Power Dissipation  
[%]  
[W]  
4
100  
95  
90  
85  
80  
75  
3
2
1
0
2.95 V  
3.3 V  
2.95 V  
3.3 V  
3.65 V  
3.65 V  
70  
0
2
4
6
8
10  
12 [A]  
0
2
4
6
8
10  
12 [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  
Output Characteristics  
[A]  
14  
[V]  
1.90  
12  
10  
8
2.0 m/s  
1.85  
1.80  
1.75  
1.70  
2.95 V  
3.3 V  
1.0 m/s  
6
3.65 V  
0.5 m/s  
4
2
Nat. Conv.  
0
0
2
4
6
8
10  
12 [A]  
0
20  
40  
60  
80  
[°C]  
Available load current vs. ambient air temperature and airflow at  
VI = 3.3 V, VOUT = 2.5 V. See Thermal Consideration section.  
Output voltage vs. load current at Tref = +25°C  
E
16  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
1.8 V/10 A Typical Characteristics  
PMF 4218T  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (0.5 V/div.).  
Bottom trace: input voltage (2 V/div.).  
Time scale: 5 ms/div..  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (1.0 V/div.). Bottom  
trace: input voltage (2 V/div.).  
Time scale: 5.0 ms/div..  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (20mV/div.) at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V. Time scale: 2 μs/div.  
See the filter in the Output ripple and noise  
section (EMC Specification).  
Output voltage response to load current step- Top trace: output voltage (100mV/div.).  
change (5-10-5 A) at:  
Bottom trace: load current (5 A/div.).  
Time scale: 0.1 ms/div..  
Tref =+25°C, VI = 3.3 V.  
E
17  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
2.5 V/10 A Electrical Specification  
PMF 4218T  
Tref = -40 to +85ºC, VI = 2.95 to 3.65 V, Radj = 2.21 kΩ, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 3.3 V, max IO , unless otherwise specified under Conditions.  
Additional Cin=330uF and Cout=330uF. See Operating Information section for selection of capacitor types.  
Connect the sense pin, where available, to the output pin.  
Characteristics  
Conditions  
min  
2.95  
2.2  
typ  
max  
3.65  
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  
2.40  
2.45  
45  
V
2.8  
25  
V
μF  
W
PO  
0
50 % of max IO  
max IO  
94.1  
91.1  
2.5  
η
Efficiency  
%
Pd  
Pli  
PRC  
IS  
Power Dissipation  
Input idling power  
Input standby power  
Static Input current  
Switching frequency  
max IO  
3.0  
W
mW  
mW  
A
IO= 0, VI = 3.3 V  
VI = 3.3 V (turned off with INHIBIT)  
VI = 3.3 V, max IO  
0-100% of max IO  
120  
33  
8.4  
fs  
275  
300  
325  
kHz  
Output voltage initial setting and  
accuracy  
VOi  
Tref = +25°C, VI = 3.3 V, max IO  
2.450  
2.425  
2.500  
2.550  
2.575  
V
Output voltage tolerance band  
Idling voltage  
10-100% of max IO  
V
IO = 0  
2.509  
±10  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 3.3 V, 0-100% of max IO  
±12  
Load transient  
voltage deviation  
VI = 3.3 V, Load step 50-100-50 %  
of max IO, di/dt = 1 A/μs,  
see Note 1  
Vtr  
ttr  
tr  
±150  
100  
3.9  
mV  
μs  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
ms  
max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
tf  
6.6  
ms  
Max Io  
150  
1070  
6.5  
μs  
μs  
ms  
μs  
ms  
A
Vin shutdown fall time.  
(From VI off to 10% of VO)  
Io = 1A  
Max Io  
INHIBIT start-up time  
tInh  
Max Io  
100  
7.3  
INHIBIT shutdown fall time  
(From INHIBIT off to 10% of VO)  
Io = 0.1 A  
IO  
Output current  
0
10  
Ilim  
Current limit threshold  
Tref < max Tref,  
20  
25  
A
See ripple & noise section,  
max IO, VOi  
VOac  
Output ripple & noise  
mVp-p  
Note 1: Output filter according to Ripple & Noise section  
E
18  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
2.5 V/10 A Typical Characteristics  
PMF 4218T  
Efficiency  
Power Dissipation  
[W]  
4
[%]  
100  
95  
90  
85  
80  
75  
3
2
1
0
2.95 V  
3.3 V  
2.95 V  
3.3 V  
3.65 V  
3.65 V  
70  
0
2
4
6
8
10  
12 [A]  
0
2
4
6
8
10  
12 [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  
Output Characteristics  
[A]  
14  
[V]  
2.60  
12  
10  
8
2.0 m/s  
2.55  
2.50  
2.45  
2.40  
2.95 V  
3.3 V  
1.0 m/s  
6
3.65 V  
0.5 m/s  
4
2
Nat. Conv.  
0
0
2
4
6
8
10  
12 [A]  
0
20  
40  
60  
80  
[°C]  
Available load current vs. ambient air temperature and airflow at  
VI = 3.3 V, VOUT = 2.5 V. See Thermal Consideration section.  
Output voltage vs. load current at Tref = +25°C  
E
19  
Technical Specification  
EN/LZT 146 316 R1C Aug 2007  
PMF 4000 series  
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W  
© Ericsson Power Modules AB  
2.5 V/10 A Typical Characteristics  
PMF 4218T  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (1.0 V/div.).  
Bottom trace: input voltage (2 V/div.).  
Time scale: 5 ms/div..  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V.  
Top trace: output voltage (1.0 V/div.). Bottom  
trace: input voltage (2 V/div.).  
Time scale: 5.0 ms/div..  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (20mV/div.) at:  
Tref = +25°C, IO = 10 A resistive load,  
VI = 3.3 V. Time scale: 2 μs/div.  
See the filter in the Output ripple and noise  
section (EMC Specification).  
Output voltage response to load current step- Top trace: output voltage (100mV/div.).  
change (5-10-5 A) at:  
Bottom trace: load current (5 A/div.).  
Time scale: 0.1 ms/div..  
Tref =+25°C, VI = 3.3 V.  
20  
CAug2007
0series  
V, Otput 10 A/25 W  
EMC Specification  
Output ripple and noise  
Output ripple and noise measured according to figure below.  
See Design Note 022 for detailed information.  
Conducted EMI measured according to test set-up.  
The fundamental switching frequency is 300 kHz for  
PMF 4218T @ VI = 3.3 V, max IO.  
Conducted EMI Input terminal value (typ)  
TBD  
Output ripple and noise test setup  
EMI without filter  
Operating information  
Extended information for POLA products is found in  
Application Note POLA.  
Input Voltage  
The input voltage range 2.95 to 3.65 Vdc makes the product  
easy to use in intermediate bus applications when powered  
by a regulated bus converter.  
TBD  
Turn-off Input Voltage  
The 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 50mV.  
Remote Control (RC) Inhibit  
Test set-up  
The products are fitted with a  
remote control function referenced  
to the primary negative input  
connection (- In), positive logic. The  
INHIBIT function allows the  
regulator to be turned on/off by an  
external device like a  
semiconductor or mechanical  
switch. The INHIBIT pin has an  
internal pull up resistor to + In.  
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.  
A ground layer will increase the stray capacitance in the PCB  
and improve the high frequency EMC performance.  
The regulator will turn on when the input voltage is applied  
with the INHIBIT pin open. Turn off is achieved by connecting  
the INHIBIT pin to the - In. To ensure safe turn off, the voltage  
difference between INHIBIT pin and the - In pin shall be less  
than 0.6V. The regulator will restart automatically when this  
connection is opened.  
21  
CAug2007
0series  
V, Otput 10 A/25 W  
Output Voltage Adjust (Vadj  
)
External Capacitors  
The DC/DC regulators have an Output Voltage Adjust pin  
(Vadj). This pin can be used to adjust the output voltage above  
or below Output voltage initial setting.  
Input capacitors:  
The recommended input capacitors are determined by the  
330 μF minimum capacitance and 500 mArms minimum  
ripple current rating.  
To increase or decrease the voltage the resistor should be  
connected between the Vadj pin and GND pin. The resistor  
value of the Output voltage adjust function is according to  
information given under the Output section for the respective  
product.  
Output capacitors (optional):  
The recommended output capacitance of 330 μF will allow  
the module to meet its transient response specification as  
defined in the electrical specification.  
When using one or more non-ceramic capacitors, the  
calculated equivalent ESR should be no lower than 4 mΩ  
(7mΩ using the manufacturer’s maximum ESR for a single  
capacitor).  
Input And Output Impedance  
The impedance of both the input source and the load will  
interact with the impedance of the DC/DC regulator. It is  
important that the input source has low characteristic  
impedance. The regulators are designed for stable operation  
without external capacitors connected to the input or output.  
The performance in some applications can be enhanced by  
addition of external capacitance as described under External  
Decoupling Capacitors. If the input voltage source contains  
significant inductance, the addition of a 100 μF capacitor  
across the input of the regulator will ensure stable operation.  
The capacitor is not required when powering the DC/DC  
regulator from an input source with an inductance below  
10 μH.  
Parallel Operation  
Two regulators may be paralleled for redundancy if the total  
power is equal or less than PO max. It is not recommended to  
parallel the regulators without using external current sharing  
circuits.  
External Decoupling Capacitors  
Remote Sense  
When powering loads with significant dynamic current  
requirements, the voltage regulation at the point of load can  
be improved by addition of decoupling capacitors at the load.  
The most effective technique is to locate low ESR ceramic  
and electrolytic capacitors as close to the load as possible,  
using several parallel capacitors to lower the effective ESR.  
The ceramic capacitors will handle high-frequency dynamic  
load changes while the electrolytic capacitors are used to  
handle low frequency dynamic load changes. Ceramic  
capacitors will also reduce any high frequency noise at the  
load.  
The DC/DC regulators have remote sense that can be used to  
compensate for voltage drops between the output and the  
point of load. The sense traces should be located close to the  
PCB ground layer to reduce noise susceptibility. The remote  
sense circuitry will compensate for up to 0.3v voltage drop  
between output pins and the point of load.  
If the remote sense is not needed +Sense should be left  
open.  
It is equally important to use low resistance and low  
inductance PCB layouts and cabling.  
Over Current Protection (OCP)  
External decoupling capacitors will become part of the  
control loop of the DC/DC regulator and may affect the  
stability margins. As a “rule of thumb”, 100 μF/A of output  
current can be added without any additional analysis. The  
ESR of the capacitors is a very important parameter. Power  
Modules guarantee stable operation with a verified ESR value  
of >10 macross the output connections.  
The regulators include current limiting circuitry for protection  
at continuous overload.  
The output voltage will decrease towards zero for output  
currents in excess of the over-current threshold. The regulator  
will resume normal operation after removal of the overload.  
The load distribution should be designed for the maximum  
output short circuit current specified. The current limit  
operation is a “hick up” mode current limit.  
For further information please contact your local Ericsson  
Power Modules representative.  
22  
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V, Otput 10 A/25 W  
Soft-start Power Up  
Thermal Consideration  
From the moment a valid input voltage is applied, the soft-  
start control introduces a short time-delay (typically 5-10 ms)  
before allowing the output voltage to rise.  
The initial rise in input current when the input voltage first  
starts to rise is the charge current drawn by the input  
capacitors. Power-up is complete within 15 ms.  
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.  
Auto-Track™ Function  
Auto-Track was designed to simplify the amount of circuitry  
required to make the output vltage from each module power  
up and power down in sequence. The sequencing of two or  
more supply voltages during power up is a common  
requirement for complex mixed-signal applications, that use  
dual-voltage VLSI ICs such as DSPs, micro-processors and  
ASICs.  
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 = 3.3 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.  
Margin Up/Down controls  
These controls allow the input voltage to be momentarily  
adjusted, either up or down, by a nominal 5 %. This provides  
a convenient method for dynamically testing the operation of  
the load circuit over its supply margin or range. It can also be  
used to verify the function of supply voltage supervisors.  
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 +85°C.  
Pre-Bias Startup Capability  
This often occurs in complex digital systems when current  
from another power source is backfed through a dual-supply  
logic component, such as FPGA or ASIC.  
The PMF(3.3/5.0V Vin) incorporate synchronous rectifiers, but  
will not sink current during startup, or whenever the Inhibit pin  
is held low. However, to ensure satisfactory operation of this  
function, certain conditions must be maintained.  
See Design Note 019 for further information.  
Position  
P1  
Device  
Pcb  
Designation  
Tref  
max value  
130º C  
P2  
P3  
Mosfet  
125º C  
130º C  
Inductor  
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Thermal Consideration continued  
Definition of reference temperature (Tref  
Connections  
)
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.  
Ambient Temperature Calculation  
TBD  
TOP VIEW  
Pin  
1
Designation  
Function  
GND  
Common ground connection  
for the Vin and Vout power  
connections.  
2
3
Vin  
The positive input voltage  
power node to the module.  
Inhibit  
Applying a low-level ground  
signal to this input disables  
the module’s output.  
4
5
Vo Adjust  
Vo Sense  
A 0.1 W 1% resistor must be  
directly connected between  
this pin and pin 7(GND) to set  
the output voltage.  
The sense input allows the  
regulation circuit to  
compensate for voltage drop  
between the module and the  
load.  
6
7
8
Vout  
The regulated positive power  
output with respect to the  
GND node.  
GND  
Track  
Common ground connection  
for the Vin and Vout power  
connections.  
This is an analog control  
input that enables the output  
voltage to follow an external  
voltage.  
9
Margin Down  
Margin Up  
When this input is asserted to  
GND, the output voltage is  
decreased by 5% from the  
nominal.  
When this input is asserted to  
GND, the output voltage is  
increased by 5%.  
10  
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Mechanical Information (Surface mount version)  
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Mechanical Information (Through hole mount version)  
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Maximum regulator temperature requirements  
Soldering Information - Surface mounting  
The surface mount version of the product is intended for  
convection or vapor phase reflow 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. The maximum product temperature shall be  
monitored by attaching a thermocoupler to the top of the  
main transformer.  
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 of the DC/DC regulator. 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 9 is chosen as reference location for the minimum  
pin temperature recommendations since this will be the  
coolest solder joint during the reflow process.  
During reflow, TP must not exceed +225 °C at any time.  
PIN 9 for measurement of  
minimum solder joint  
temperature, TPIN  
Lead-free (Pb-free) solder processes  
For Pb-free solder processes, the product is qualified for  
MSL 3 according to IPC/JEDEC standard J-STD-020C.  
Main transformer for  
measurement of Max  
product temperature, TP  
During reflow, TP must not exceed +260 °C at any time.  
Temperature  
Ramp-up  
TP  
Ramp-down  
(cooling)  
TL  
SnPb solder processes  
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.  
Reflow  
Preheat  
Time 25 °C to peak  
25 °C  
Time  
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.  
Profile features  
Sn/Pb eutectic  
assembly  
Pb-free assembly  
Average ramp-up rate  
3 °C/s max  
+183 °C  
3 °C/s max  
+221 °C  
Solder melting  
temperature (typical)  
TL  
Peak product temperature TP  
Average ramp-down rate  
+225 °C  
+260 °C  
6 °C/s max  
6 °C/s max  
Time 25 °C to peak  
temperature  
6 minutes max  
8 minutes max  
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Soldering Information — Through Hole Mounting  
The through hole mount version of the product is intended for  
through hole mounting in a PCB. When wave soldering is  
used, the temperature on the pins is specified to maximum  
260 °C for maximum 10 seconds.  
Maximum preheat rate of 4 °C/s and temperature of max  
150 °C is suggested. When hand soldering, care should be  
taken to avoid direct contact between the hot soldering iron  
tip and the pins for more than a few seconds in order to  
prevent overheating.  
A no-clean (NC) flux is recommended to avoid entrapment of  
cleaning fluids in cavities inside of the DC/DC power module.  
The residues may affect long time reliability and isolation  
voltage.  
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Delivery package information  
Carrier tape specifications  
The products are delivered in antistatic trays (JEDEC  
standard) or in antistatic carrier tape (EIA standard).  
Polystyrene  
Material  
< 10E5 ohms/square  
The tape can not be baked.  
44 mm [1.732 inch]  
24 mm [0.945 inch]  
9.57 mm [0.377 inch]  
380 mm [15 inch]  
Surface resistance  
Bake ability  
Tape width  
Tray specifications  
PET  
Material  
Pocket pitch  
Pocket depth  
Reel diameter  
Reel capacity  
Box capacity  
Weight  
10E3 to 10E5 ohms/square  
The trays can not be baked.  
36 products /tray  
180 products/box)  
240 g/full tray  
Surface resistance  
Bake ability  
Tray capacity  
Box capacity  
Weight  
250 products /reel  
250 products (1 reels/box)  
1.4 kg/full reel  
Tape feed directions  
Round holes  
Elongated holes  
Dry pack information  
The products are delivered in trays or tape & reel. These inner  
shipment containers are dry packed in standard moisture  
barrier bags according to IPC/JEDEC standard J-STD-033A  
(Handling, packing, shipping and use of moisture/reflow  
sensitivity surface mount devices).  
Using products in high temperature Pb-free soldering  
processes requires dry pack storage and handling. In case  
the products have been stored in an uncontrolled  
environment and no longer can be considered dry, the  
modules must be baked according to the referred IPC/JEDEC  
standard.  
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Product Qualification Specification  
Characteristics  
Visual inspection  
JESD22-B101  
Temperature cycling  
JESD22-A104-B  
Dwell time  
30 min  
Transfer time  
Temperature range  
Number of cycles  
0-1 min  
-40 °C to +125 °C  
300 cycles  
High temperature storage life  
Cold (in operation)  
JESD22-A103-B  
IEC 68-2-1, test Ad  
JESD22-B105-C  
Temperature  
Duration  
125 °C  
1000 h  
Temperature TA  
Duration  
-45 °C  
72 h  
Lead integrity  
Test condition A  
Weight  
Duration  
1000 g  
30 s  
Solder ability(only apply to  
through hole version)  
IEC 68-2-54  
Solder immersion depth  
Duration of immersion (FC time)  
TA (time for onset of wetting)  
Time to FB  
1 mm  
15 s  
<4 s  
8 s  
Wetting Strength FB  
Stability FC /FB  
>100 mN/m  
>0.8  
Steady State Temperature  
Humidity Bias Life Test  
JESD22-A101-B  
JESD22-B104-B  
Temperature  
Humidity  
Duration  
+85 °C  
85 % RH  
1000 hours  
Maximum  
Input Voltage  
Mechanical shock  
Peak acceleration  
Duration  
200 g  
1.5 ms  
Number of shocks  
5 in each of two directions of three axes  
Vibration, variable freq  
Random vibration  
JESD22-B103-B  
JESD22-B103-B  
Frequency range  
Acceleration amplitude  
10-1000 Hz  
10 g or displacement amplitude 1.0 mm  
Frequency  
Acceleration density  
2-500 Hz  
0.008-0.2 g2/Hz  
Operational life test  
Temperature  
Load  
ON  
85 °C  
Maximum  
9 min  
OFF  
3 min  
Test duration  
1000 h  
Moisture reflow sensitivity  
classification test  
J-STD-020C  
SnPb eutectic MSL 1  
Pb free MSL 3  
225 °C  
260 °C  
Resistance to cleaning agents  
IEC 68-2-45 Xa  
Method 2  
Water  
Glycol ether  
Isopropyl alcohol  
+55 ±5 °C  
+35 ±5 °C  
+35 ±5 °C  

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