PKM4113DPIPNBLB [ERICSSON]

DC-DC Regulated Power Supply Module, 1 Output, 132W, Hybrid, ROHS COMPLIANT PACKAGE-8;
PKM4113DPIPNBLB
型号: PKM4113DPIPNBLB
厂家: ERICSSON    ERICSSON
描述:

DC-DC Regulated Power Supply Module, 1 Output, 132W, Hybrid, ROHS COMPLIANT PACKAGE-8

文件: 总25页 (文件大小:806K)
中文:  中文翻译
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E
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Key Features  
Industry standard quarter-brick. 57.93 x 36.8 x 9.1 mm  
(2.28 x 1.449 x 0.35 in.)  
High efficiency, typ. 93.6% at 12.0 Vout half load  
1500 Vdc input to output isolation  
Meets isolation requirements equivalent to basic  
insulation according to IEC/EN/UL 60950  
More than 3.15 million hours MTBF  
General Characteristics  
Over temperature protection  
Over current limit protection  
Over voltage protection  
Remote control  
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  
Ordering No.  
2.5 V/40A Electrical Specification  
3.3 V/35A Electrical Specification  
5.0 V/25A Electrical Specification  
12.0 V/11A Electrical Specification  
PKM4119D PINB.................................. 5  
PKM4110D PINB.................................. 8  
PKM4111D PINB................................ 11  
PKM4113D PINB................................ 14  
EMC Specification  
........................................................... 17  
........................................................... 18  
........................................................... 20  
........................................................... 21  
........................................................... 22  
........................................................... 24  
........................................................... 24  
........................................................... 25  
Operating Information  
Thermal Consideration  
Connections  
Mechanical Information  
Soldering Information  
Delivery Information  
Product Qualification Specification  
E
2
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
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)  
General Information  
-
Ordering Information  
See Contents for individual product ordering numbers.  
Option  
Baseplate  
Suffix  
Ordering No.  
PKM 4110D PI  
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.  
Positive Remote Control Logic  
Increased stand-off height  
Lead length 3.69 mm (0.145 in)  
Lead length 4.57 mm (0.180 in)  
Note: As an example a positive logic, increased standoff, short pin product  
would be PKM 4110D PIPNBMLA.  
P
M
LA  
LB  
PKM 4110D PIPNB  
PKM 4110D PINBM  
PKM 4110D PINBLA  
PKM 4110D PINBLB  
Reliability  
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 two  
different methods, Ericsson failure rate data system  
DependTool and Telcordia SR332.  
Warranty  
Warranty period and conditions are defined in Ericsson  
Power Modules General Terms and Conditions of Sale.  
Limitation of Liability  
Predicted MTBF for the series is:  
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).  
-
-
3.15 million hours according to DependTool.  
1.67 million hours according to Telcordia SR332, issue  
1, Black box technique.  
The Ericsson failure rate data system is based on field  
tracking data. The data corresponds to actual failure rates  
of components used in Information Technology and  
Telecom (IT&T) equipment in temperature controlled  
environments  
(TA = -5...+65°C). 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.  
Compatibility with RoHS requirements  
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.  
Exemptions in the RoHS directive utilized in Ericsson  
Power Modules products include:  
-
Lead in high melting temperature type solder (used to  
solder the die in semiconductor packages)  
-
Lead in glass of electronics components and in  
E
3
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 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 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 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Absolute Maximum Ratings  
Characteristics  
min  
-40  
typ  
max  
+110  
+125  
+80  
Unit  
°C  
°C  
V
Tref  
TS  
Operating Temperature (see Thermal Consideration section)  
Storage temperature  
-55  
VI  
Input voltage  
-0.5  
Viso  
Viso  
Vtr  
Isolation voltage baseplate (input to output, input & output to baseplate test voltage)  
Isolation voltage no baseplate option (input to output)  
Input voltage transient (Tp 100 ms)  
1500  
1500  
100  
Vdc  
Vdc  
V
Positive logic option  
Negative logic  
-0.5  
-0.5  
-0.5  
+15  
V
Remote Control pin voltage  
(see Operating Information section)  
VRC  
Vadj  
+15  
V
Adjust pin voltage (see Operating Information section)  
+5  
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  
Isolated  
Feedback  
+ Out  
Primary  
Secondary  
+ In  
+ Out  
+ Sense  
Vadj  
Voltage  
Monitoring  
RC  
- In  
Control  
Control  
- Sense  
- Out  
- Out  
E
5
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
2.5 V Electrical Specification  
PKM 4119D PINB  
Tref = -40 to +90ºC, VI = 36 to 75 V, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions.  
Characteristics  
Conditions  
min  
36  
typ  
max  
75  
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  
32  
34  
V
V
4.3  
μF  
W
PO  
Output voltage initial setting  
f = 100 Hz sinewave, 1 Vp-p  
50 % of max IO  
0
100  
SVR  
Supply voltage rejection (ac)  
60  
90  
dB  
max IO  
86  
87.5  
90  
η
Efficiency  
%
50 % of max IO , VI = 48 V  
max IO , VI = 48 V  
87.5  
Pd  
Pli  
Power Dissipation  
Input idling power  
Input standby power  
Switching frequency  
max IO  
16  
W
W
IO= 0, VI = 53 V  
2.6  
100  
200  
PRC  
fs  
VI = 53 V (turned off with RC)  
0 -100% of max IO  
mW  
kHz  
180  
220  
Output voltage initial setting and  
accuracy  
2.45  
2.50  
2.55  
V
Tref = +25°C, VI = 53 V, IO = max IO  
Vadj, see Note 1  
VOi  
Output adjust range  
Output voltage tolerance band  
Idling voltage  
2.21  
2.40  
2.40  
2.81  
2.60  
2.60  
15  
V
V
10-100% of max IO  
IO = 0  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 53 V, 1-100% of max IO  
15  
Load transient  
voltage deviation  
VI = 53 V, Load step 25-75-25 % of  
max IO, di/dt = 1 A/μs,  
see Note 2  
Vtr  
ttr  
tr  
±250  
100  
10  
mV  
us  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
5
15  
ms  
10-100% of max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
10  
0
15  
50  
40  
ms  
IO  
Output current  
A
A
A
Ilim  
Isc  
Current limit threshold  
Short circuit current  
Vo = 2.25 V, Tref < max Tref  
Tref = 25ºC,  
52  
62  
See ripple & noise section,  
max IO, VO.  
VOac  
Output ripple & noise  
50  
100  
mVp-p  
V
Tref = +25°C, VI = 53 V, IO = 0-100%  
OVP  
Over Voltage Protection  
3.4  
of max IO  
Note 1: When using Vadj function, max output power (PO) must not be exceeded  
Note 2: Output filter according to Ripple & Noise section  
E
6
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
2.5 V Typical Characteristics  
PKM 4119D PINB  
Efficiency  
Power Dissipation  
[%]  
92  
[W]  
16  
90  
88  
86  
84  
82  
12  
8
36 V  
48 V  
53 V  
75 V  
36 V  
48 V  
53 V  
75 V  
4
0
0
5
10  
15  
20  
25  
30  
35  
40 [A]  
0
5
10  
15  
20  
25  
30  
35  
40 [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]  
40.0  
[°C/W]  
8
3.0 m/s  
2.5 m/s  
2.0 m/s  
1.5 m/s  
1.0 m/s  
Nat. Conv.  
30.0  
20.0  
10.0  
0.0  
6
4
2
0
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0[m/s]  
20 30 40 50 60 70 80 90 100 [°C]  
Available load current vs. ambient air temperature and airflow at  
VI = 53 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.  
[V]  
[V]  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
2.60  
2.55  
2.50  
2.45  
2.40  
36 V  
48 V  
53 V  
75 V  
36 V  
48 V  
53 V  
75 V  
0
5
10  
15  
20  
25  
30  
35  
40 [A]  
40.0  
45.0  
50.0  
55.0  
60.0  
65.0 [A]  
Output voltage vs. load current at Tref = +25°C  
Output voltage vs. load current at IO > max IO , Tref = +25°C  
E
7
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
2.5 V Typical Characteristics  
PKM 4119D PINB  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Top trace: output voltage (1 V/div.).  
Bottom trace: input voltage (20 V/div.).  
Time scale: 5 ms/div..  
Shut-down enabled by disconnecting VI at:  
ref = +25°C, IO = 4 A load,  
VI = 53 V  
Top trace: output voltage (1 V/div.).  
Bottom trace: input voltage (20 V/div.).  
Time scale: 0.1 ms/div..  
Tref = +25°C, IO = 40 A resistive load,  
T
VI = 53 V.  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (20mV/div.) at:  
Tref = +25°C, IO = 40 A resistive load,  
VI = {53 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 (10-30-10 A) at:  
Bottom trace: load current (20 A/div.).  
Time scale: {0.1 ms/div.}.  
Tref =+25°C, VI = 53 V.  
Output Voltage Adjust (see operating information)  
Passive trim  
The resistor value for an adjusted output voltage is calculated by using the  
following equations:  
The PKM4000D series DC/DC converters can be  
offered with a baseplate. Baseplate helps to cool  
hotspots more efficient during heavy load. The  
baseplate have approximately 5°C improved  
derating compared to datasheet showing non  
baseplated PKM4000D. The baseplate is  
intended to be mounted on a cold wall to transfer  
heat away from the converter. By mounting  
PKM4000D in this way thermal derating can be  
improved by more than 10°C .  
Output Voltage Adjust Upwards, Increase:  
Radj= 5.11((2.5(100+Δ%))/1.225Δ%-(100+2Δ%)/Δ%) kOhm  
Eg Increase 4% =>Vout =2.6 Vdc  
5.11(2.5(100+4)/1.225x4-(100+2x4)/4 = 133 kOhm  
Output Voltage Adjust Downwards, Decrease:  
Radj= 5.11(100/Δ%-2) kOhm  
Eg Decrease 2% =>Vout = 2.45 Vdc  
5.11(100/2-2)= 245 kOhm  
E
8
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
3.3 V Electrical Specification  
PKM 4110D PINB  
Tref = -40 to +90ºC, VI = 36 to 75 V, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions.  
Characteristics  
Conditions  
min  
36  
typ  
max  
75  
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  
32  
34  
V
V
4.3  
μF  
W
PO  
Output voltage initial setting  
f = 100 Hz sinewave, 1 Vp-p  
50 % of max IO  
0
115.5  
SVR  
Supply voltage rejection (ac)  
55  
91  
89  
91  
89  
dB  
max IO  
87.5  
η
Efficiency  
%
50 % of max IO , VI = 48 V  
max IO , VI = 48 V  
Pd  
Pli  
Power Dissipation  
Input idling power  
Input standby power  
Switching frequency  
max IO  
16.5  
W
W
IO= 0, VI = 53 V  
3.1  
100  
150  
PRC  
fs  
VI = 53 V (turned off with RC)  
0 -100% of max IO  
mW  
kHz  
140  
160  
Output voltage initial setting and  
accuracy  
3.24  
3.36  
V
Tref = +25°C, VI = 53 V, IO = max IO  
Vadj, see Note 1  
VOi  
Output adjust range  
Output voltage tolerance band  
Idling voltage  
2.97  
3.23  
3.23  
3.63  
3.37  
3.37  
10  
V
V
10-100% of max IO  
IO = 0  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 53 V, 1-100% of max IO  
10  
Load transient  
voltage deviation  
VI = 53 V, Load step 25-75-25 % of  
max IO, di/dt = 1 A/μs,  
see Note 2  
Vtr  
ttr  
tr  
±350  
100  
10  
mV  
us  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
5
25  
ms  
10-100% of max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
5
0
10  
25  
35  
ms  
IO  
Output current  
A
A
A
Ilim  
Isc  
Current limit threshold  
Short circuit current  
Vo = 2.97 V, Tref < max Tref  
42  
50  
Tref = 25ºC, VO = < VOnom * 0.1  
See ripple & noise section,  
max IO, VO.  
VOac  
Output ripple & noise  
50  
125  
mVp-p  
V
Tref = +25°C, VI = 53 V, IO = 0-100%  
OVP  
Over Voltage Protection  
4.2  
of max IO  
Note 1: When using Vadj function, max output power (PO) must not be exceeded  
Note 2: Output filter according to Ripple & Noise section  
E
9
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
3.3 V Typical Characteristics  
PKM 4110D PINB  
Efficiency  
Power Dissipation  
[%]  
92  
[W]  
16  
90  
88  
86  
84  
82  
12  
8
36 V  
48 V  
53 V  
75 V  
36 V  
48 V  
53 V  
75 V  
4
0
0
5
10  
15  
20  
25  
30  
35 [A]  
0
5
10  
15  
20  
25  
30  
35 [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  
[°C/W]  
8
[A]  
35.0  
3.0 m/s  
30.0  
25.0  
20.0  
15.0  
10.0  
5.0  
2.5 m/s  
2.0 m/s  
1.5 m/s  
1.0 m/s  
Nat. Conv.  
6
4
2
0.0  
20 30 40 50 60 70 80 90 100 [°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 = 53 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.  
[V]  
[V]  
4.0  
3.0  
2.0  
1.0  
0.0  
3.40  
3.35  
3.30  
3.25  
3.20  
36 V  
48 V  
53 V  
75 V  
36 V  
48 V  
53 V  
75 V  
35.0  
40.0  
45.0  
50.0  
55.0 [A]  
[A]  
35  
0
5
10  
15  
20  
25  
30  
Output voltage vs. load current at Tref = +25°C  
Output voltage vs. load current at IO > max IO , Tref = +25°C  
E
10  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
3.3 V Typical Characteristics  
PKM 4110D PINB  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Top trace: output voltage (1 V/div.).  
Bottom trace: input voltage (20 V/div.).  
Time scale: 2 ms/div..  
Shut-down enabled by disconnecting VI at:  
ref = +25°C, IO = 3.5 A load,  
VI = 53 V  
Top trace: output voltage (1 V/div.).  
Bottom trace: input voltage (20 V/div.).  
Time scale: 0.1 ms/div..  
Tref = +25°C, IO = 35 A resistive load,  
T
VI = 53 V.  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (50mV/div.) at:  
Tref = +25°C, IO = 35 A resistive load,  
VI = 53 V. Time scale: 5 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 (200mV/div.).  
change (8.75-26.25-8.75 A) at:  
Bottom trace: load current (10 A/div.).  
Time scale: {0.1 ms/div.}.  
Tref =+25°C, VI = 53 V.  
Output Voltage Adjust (see operating information)  
Passive trim  
The resistor value for an adjusted output voltage is calculated by using  
the following equations:  
The PKM4000D series DC/DC converters can be  
offered with a baseplate. Baseplate helps to cool  
hotspots more efficient during heavy load. The  
baseplate have approximately 5°C improved  
derating compared to datasheet showing non  
baseplated PKM4000D. The baseplate is intended  
to be mounted on a cold wall to transfer heat away  
from the converter. By mounting PKM4000D in  
this way thermal derating can be improved by  
more than 10°C .  
Output Voltage Adjust Upwards, Increase:  
Radj= 5.11((3.3(100+Δ%))/1.225Δ%-(100+2Δ%)/Δ%) kOhm  
Eg Increase 4% =>Vout =3.43 Vdc  
5.11(3.3(100+4)/1.225x4-(100+2x4)/4 = 220 kOhm  
Output Voltage Adjust Downwards, Decrease:  
Radj= 5.11(100/Δ%-2) kOhm  
Eg Decrease 2% =>Vout = 3.23 Vdc  
5.11(100/2-2)= 245 kOhm  
E
11  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
5.0 V Electrical Specification  
PKM 4111D PINB  
Tref = -40 to +90ºC, VI = 36 to 75 V, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions.  
Characteristics  
Conditions  
min  
36  
typ  
max  
75  
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  
32  
34  
V
V
4.3  
µF  
W
PO  
Output voltage initial setting  
f = 100 Hz sinewave, 1 Vp-p  
50 % of max IO  
0
125  
SVR  
Supply voltage rejection (ac)  
60  
92  
91  
92  
91  
dB  
max IO  
89  
η
Efficiency  
%
50 % of max IO , VI = 48 V  
max IO , VI = 48 V  
max IO  
Pd  
Pli  
Power Dissipation  
Input idling power  
Input standby power  
Switching frequency  
15.5  
W
W
IO= 0, VI = 53 V  
3.1  
100  
200  
PRC  
fs  
VI = 53 V (turned off with RC)  
0 -100% of max IO  
mW  
kHz  
180  
220  
Output voltage initial setting and  
accuracy  
4.90  
5.00  
5.10  
V
T
ref = +25°C, VI = 53 V, IO = 40.0 A  
VOi  
Vadj, see Note 1  
Output adjust range  
Output voltage tolerance band  
Idling voltage  
4.50  
4.80  
4.80  
5.50  
5.20  
5.20  
15  
V
V
10-100% of max IO  
IO = 0  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 53 V, 1-100% of max IO  
15  
Load transient  
voltage deviation  
VI = 53 V, Load step 25-75-25 % of  
max IO, di/dt = 1 A/µs,  
see Note 2  
Vtr  
ttr  
tr  
±500  
100  
13  
mV  
Us  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
6
30  
ms  
10-100% of max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
9
0
15  
50  
25  
ms  
IO  
Output current  
A
A
A
Ilim  
Isc  
Current limit threshold  
Short circuit current  
Vo = 4.5 V, Tref < max Tref  
30  
40  
Tref = 25ºC, VO = < VOnom * 0.1  
See ripple & noise section,  
max IO, VO.  
VOac  
Output ripple & noise  
60  
150  
mVp-p  
V
Tref = +25°C, VI = 53 V, IO = 0-100%  
OVP  
Over Voltage Protection  
6.2  
of max IO  
Note 1: When using Vadj function, max output power (PO) must not be exceeded  
Note 2: Output filter according to Ripple & Noise section  
E
12  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
5.0 V Typical Characteristics  
PKM 4111D PINB  
Efficiency  
Power Dissipation  
[%]  
93  
[W]  
15  
12  
9
91  
89  
87  
36 V  
48 V  
53 V  
75 V  
36 V  
48 V  
53 V  
75 V  
6
3
0
85  
0.0  
5.0  
10.0  
15.0  
20.0  
25.0 [A]  
0.0  
5.0  
10.0  
15.0  
20.0  
25.0 [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  
[°C/W]  
8
[A]  
25.0  
3.0 m/s  
20.0  
15.0  
10.0  
5.0  
2.5 m/s  
2.0 m/s  
1.5 m/s  
1.0 m/s  
Nat. Conv.  
6
4
2
0.0  
20 30 40 50 60 70 80 90 100 [°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 = 53 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]  
5.20  
6.0  
5.0  
4.0  
3.0  
2.0  
1.0  
0.0  
5.10  
5.00  
4.90  
4.80  
36 V  
48 V  
53 V  
75 V  
36 V  
48 V  
53 V  
75 V  
25.0  
30.0  
35.0  
40.0  
45.0 [A]  
0.0  
5.0  
10.0  
15.0  
20.0  
25.0 [A]  
Output voltage vs. load current at Tref = +25°C  
Output voltage vs. load current at IO > max IO , Tref = +25°C  
E
13  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
5.0 V Typical Characteristics  
PKM 4111D PINB  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, IO = 25 A resistive load,  
VI = 53 V.  
Top trace: output voltage (2 V/div.).  
Bottom trace: input voltage (20 V/div.).  
Time scale: 2 ms/div..  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 2.5 A resistive load,  
Output voltage: 2 V/div  
Time scale: 2 ms/div.  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (50mV/div.) at:  
Tref = +25°C, IO = 25 A resistive load,  
VI = {53 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 (500mV/div.).  
change (6.25-18.75-635 A) at:  
Bottom trace: load current (10 A/div.).  
Time scale: {0.1 ms/div.}.  
Tref =+25°C, VI = 53 V.  
Output Voltage Adjust (see operating information)  
Passive trim  
The resistor value for an adjusted output voltage is calculated by using  
the following equations:  
The PKM4000D series DC/DC converters can be  
offered with a baseplate. Baseplate helps to cool  
hotspots more efficient during heavy load. The  
baseplate have approximately 5°C improved  
derating compared to datasheet showing non  
baseplated PKM4000D. The baseplate is intended  
to be mounted on a cold wall to transfer heat away  
from the converter. By mounting PKM4000D in  
this way thermal derating can be improved by  
more than 10°C .  
Output Voltage Adjust Upwards, Increase:  
Radj= 5.11((5(100+%))/1.225%-(100+2%)/%) kOhm  
Eg Increase 4% =>Vout =5.2 Vdc  
5.11(5(100+4)/1.225x4-(100+2x4)/4 = 404 kOhm0  
Output Voltage Adjust Downwards, Decrease:  
Radj= 5.11(100/%-2) kOhm  
Eg Decrease 2% =>Vout = 4.90 Vdc  
5.11(100/2-2)= 245 kOhm  
E
14  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
12 V Electrical Specification  
PKM 4113D PINB  
Tref = -40 to +90ºC, VI = 38 to 75 V, unless otherwise specified under Conditions.  
Typical values given at: Tref = +25°C, VI= 53 V, max IO , unless otherwise specified under Conditions.  
Characteristics  
Conditions  
min  
38  
typ  
max  
75  
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  
31  
33  
V
V
4.3  
μF  
W
PO  
Output voltage initial setting  
f = 100 Hz sinewave, 1 Vp-p  
50 % of max IO  
0
132  
SVR  
Supply voltage rejection (ac)  
68  
dB  
93.6  
94.0  
93.8  
93.9  
max IO  
92.5  
η
Efficiency  
%
50 % of max IO , VI = 48 V  
max IO , VI = 48 V  
Pd  
Pli  
Power Dissipation  
Input idling power  
Input standby power  
Switching frequency  
max IO  
10.7  
W
W
IO= 0, VI = 53 V  
2.5  
100  
200  
PRC  
fs  
VI = 53 V (turned off with RC)  
0 -100% of max IO  
mW  
kHz  
180  
220  
Output voltage initial setting and  
accuracy  
11.8  
12.0  
12.2  
V
Tref = +25°C, VI = 53 V, IO = 11.0 A  
Vadj, see Note 1  
VOi  
Output adjust range  
Output voltage tolerance band  
Idling voltage  
10.8  
11.7  
11.8  
13.2  
12.3  
12.2  
50  
V
V
10-100% of max IO  
IO = 0  
V
VO  
Line regulation  
max IO  
mV  
mV  
Load regulation  
VI = 53 V, 1-100% of max IO  
20  
Load transient  
voltage deviation  
VI = 53 V, Load step 25-75-25 % of  
max IO, di/dt = 1 A/μs,  
see Note 1  
Vtr  
ttr  
tr  
±600  
100  
8
mV  
us  
Load transient recovery time  
Ramp-up time  
(from 1090 % of VOi)  
5
20  
ms  
10-100% of max IO  
Start-up time  
(from VI connection to 90% of VOi)  
ts  
7
0
10  
50  
11  
ms  
IO  
Output current  
A
A
A
Ilim  
Isc  
Current limit threshold  
Short circuit current  
Vo = 10.8 V, Tref < max Tref  
14.5  
18.5  
Tref = 25ºC, VO = < VOnom * 0.1  
See ripple & noise section,  
max IO, VO.  
VOac  
Output ripple & noise  
100  
200  
mVp-p  
V
Tref = +25°C, VI = 53 V, IO = 0-100%  
OVP  
Over Voltage Protection  
14.5  
of max IO  
Note 1: When using Vadj function, max output power (PO) must not be exceeded  
Note 2: Output filter according to Ripple & Noise section  
E
15  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
12.0 V Typical Characteristics  
PKM 4113D PINB  
Efficiency  
Power Dissipation  
[%]  
95  
[W]  
10  
93  
91  
89  
87  
85  
8
6
4
2
0
38 V  
48 V  
53 V  
75 V  
38 V  
48 V  
53 V  
75 V  
0,0  
2,0  
4,0  
6,0  
8,0  
10,0  
12,0 [A]  
0.0  
2.0  
4.0  
6.0  
8.0  
10.0  
12.0 [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]  
12,0  
[°C/W]  
6
3.0 m/s  
2.5 m/s  
2.0 m/s  
1.5 m/s  
1.0 m/s  
Nat. Conv.  
9,0  
6,0  
3,0  
0,0  
4
2
0
0.0  
0.5  
1.0  
1.5  
2.0  
2.5  
3.0 [m/s]  
20  
30  
40  
50  
60  
70  
80  
90 100 []  
Available load current vs. ambient air temperature and airflow at  
VI = 53 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.  
[V]  
[V]  
15,0  
12,0  
9,0  
12 , 2 0  
12 , 10  
12 , 0 0  
11, 9 0  
11, 8 0  
38 V  
48 V  
53 V  
75 V  
38 V  
48 V  
53 V  
75 V  
6,0  
3,0  
0,0  
0,0  
3,0  
6,0  
9,0  
12,0 [A]  
11,0  
13,0  
15,0  
17,0  
19,0  
21,0 [A]  
Output voltage vs. load current at Tref = +25°C  
Output voltage vs. load current at IO > max IO , Tref = +25°C  
E
16  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
12.0 V Typical Characteristics  
PKM 4113D PINB  
Start-up  
Shut-down  
Start-up enabled by connecting VI at:  
Tref = +25°C, IO = 11 A resistive load,  
VI = 53 V.  
Top trace: output voltage (5 V/div.).  
Bottom trace: input voltage (20 V/div.).  
Time scale: 2 ms/div..  
Shut-down enabled by disconnecting VI at:  
Tref = +25°C, IO = 1.1 A resistive load,  
VI = 53 V  
Top trace: output voltage (5 V/div.). Bottom  
trace: input voltage (20 V/div.).  
Time scale: 0.5 ms/div..  
Output Ripple & Noise  
Output Load Transient Response  
Output voltage ripple (50mV/div.) at:  
Tref = +25°C, IO = 11 A resistive load,  
VI = {53 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 (500mV/div.).  
change (2.75-8.25-2.75 A) at:  
Bottom trace: load current (2.75 A/div.).  
Time scale: {0.1 ms/div.}.  
Tref =+25°C, VI = 53 V.  
Output Voltage Adjust (see operating information)  
Passive trim  
The resistor value for an adjusted output voltage is calculated by using the  
following equations:  
The PKM4000D series DC/DC converters can be  
offered with a baseplate. Baseplate helps to cool  
hotspots more efficient during heavy load. The  
baseplate have approximately 5°C improved  
derating compared to datasheet showing non  
baseplated PKM4000D. The baseplate is intended  
to be mounted on a cold wall to transfer heat  
away from the converter. By mounting  
Output Voltage Adjust Upwards, Increase:  
Radj= 5.11((12(100+Δ%))/1.225Δ%-(100+2Δ%)/Δ%) kOhm  
Eg Increase 4% =>Vout =12.48 Vdc  
5.11(12(100+4)/1.225x4-(100+2x4)/4 = 404 kOhm  
Output Voltage Adjust Downwards, Decrease:  
Radj= 5.11(100/Δ%-2) kOhm  
PKM4000D in this way thermal derating can be  
improved by more than 10°C .  
Eg Decrease 2% =>Vout = 11.76 Vdc  
5.11(100/2-2)= 245 kOhm  
E
17  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
EMC Specification  
Conducted EMI measured according to EN55022, CISPR 22  
and FCC part 15J (see test set-up).  
The fundamental switching frequency is 200 kHz.  
Conducted EMI Input terminal value (typ)  
Test set-up  
Layout recommendation  
The radiated EMI performance of the DC/DC converter will  
depend on the PCB layout and ground layer design. It is also  
important to consider the stand-off of the DC/DC converter.  
If a ground layer is used, it should be connected to the output  
of the DC/DC converter and the equipment ground or chassis.  
EMI without filter  
External filter (class B)  
A ground layer will increase the stray capacitance in the PCB  
and improve the high frequency EMC performance.  
Required external input filter in order to meet class B in  
EN 55022, CISPR 22 and FCC part 15J.  
Filter components:  
C1 = 0.68 µF  
C2,3 = 1.0 µF  
C4,5 = 2.2 nF  
C6,7 = 100 µF  
L1,2 = 0.768 mH  
Output ripple and noise  
Output ripple and noise measured according to figure below.  
Oscilloscope input impedance 50 .  
Output ripple and noise test setup  
EMI with filter  
E
18  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Operating information  
Output Voltage Adjust (Vadj  
All PKM 4000DSeries DC/DC converters have an Output  
of the European Telecom Standard ETS 300 132-2 for normal Voltage adjust pin (Vadj). This pin can be used to adjust the  
)
Input Voltage  
The input voltage range 36 to 75Vdc meets the requirements  
input voltage range in —48 and —60 Vdc systems, -40.5 to -  
57.0 V and —50.0 to -72 V respectively. At input voltages  
exceeding 75 V, the power loss will be higher than at normal  
input voltage and Tref must be limited to absolute max  
+110°C. The absolute maximum continuous input voltage is  
80Vdc.  
output voltage above or below Output voltage initial setting.  
When increasing the output voltage, the voltage at the output  
pins (including any remote sense offset) must be kept below  
the maximum output adjust range. Also note that at increased  
output voltages the maximum power rating of the converter  
remains the same, and the output current capability will  
decrease correspondingly.  
To decrease the output voltage the resistor should be  
connected between Vadj pin and —Sense pin. To increase the  
voltage the resistor should be connected between Vadj pin  
and +Sense pin. The resistor value of the Output voltage  
adjust function is according to information given under the  
output section.  
Turn-off Input Voltage  
The PKM 4000DSeries DC/DC converters 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 1 V.  
Remote Control (RC)  
The products are fitted with a  
remote control function  
referenced to the primary  
negative input connection (- In),  
with negative and positive logic  
options available. The RC function  
allows the converter to be turned  
on/off by an external device like a  
semiconductor or mechanical  
switch. The RC pin has an internal  
pull up resistor to + In.  
The maximum required sink current is 1 mA. When the RC pin  
is left open, the voltage generated on the RC pin is 3.5 — 6.0  
V.  
Remote Sense  
The standard converter is provided with “negative logic”  
All PKM 4000DSeries DC/DC converters have remote sense  
remote control and the converter will be off until the RC pin is that can be used to compensate for moderate amounts of  
connected to the - In. To turn on the converter the voltage  
between RC pin and - In should be less than 1 V. To turn off  
resistance in the distribution system and allow for voltage  
regulation at the load or other selected point. The remote  
the converter the RC pin should be left open, or connected to sense lines will carry very little current and do not need a large  
a voltage higher than 2 V referenced to - In. In situations  
where it is desired to have the converter to power up  
cross sectional area. However, the sense lines on the Pcb  
should be located close to a ground trace or ground plane. In  
automatically without the need for control signals or a switch, a discrete wiring situation, the use of twisted pair wires or  
the RC pin can be wired directly to - In.  
other technique to reduce noise susceptibility is highly  
recommended. The remote sense circuitry will compensate  
for up to 10% voltage drop between the sense voltage and  
The second option is “positive logic” remote control, which  
can be ordered by adding the suffix “P” to the end of the part the voltage at the output pins. The output voltage and the  
number. The converter will turn on when the input voltage is  
applied with the RC pin open. Turn off is achieved by  
connecting the RC pin to the - In. To ensure safe turn off the  
voltage difference between RC pin and the - In pin shall be  
less than 0.8 V. The converter will restart automatically when  
this connection is opened.  
remote sense voltage offset must be less than the minimum  
over voltage trip point. If the remote sense is not needed the —  
Sense should be connected to —Out and +Sense should be  
connected to +Out.  
E
19  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Operating information, cont.  
Input And Output Impedance  
Parallel Operation  
The impedance of both the power source and the load will  
interact with the impedance of the DC/DC converter. It is  
most important to have a low characteristic impedance, both  
at the input and output, as the converters have a low energy  
storage capability. The PKM 4000DSeries DC/DC converters  
have been designed to be completely stable without the need  
The PKM 4000DSeries DC/DC converters can be paralleled  
for redundancy if external o-ring diodes are used in series  
with the outputs. It is not recommended to parallel the PKM  
4000D Series DC/DC converters for increased power without  
using external current sharing circuits.  
for external capacitors on the input or the output circuits. The Over Temperature Protection (OTP)  
performance in some applications can be enhanced by  
The PKM 4000DSeries DC/DC converters are protected from  
addition of external capacitance as described under  
maximum capacitive load. If the distribution of the input  
voltage source to the converter contains significant  
inductance, the addition of a 100µF capacitor across the input  
of the converter will help insure stability. This capacitor is not  
required when powering the DC/DC converter from a low  
impedance source with short, low inductance, input power  
leads.  
thermal overload by an internal over temperature shutdown  
circuit. When the Pcb temperature (TC reference point)  
exceeds the temperature trig point (120 °C) for the OTP circuit  
the converter will cut down output power. The converter will  
go into hiccup mode until safe operational temperature is  
restored.  
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 effective ESR. These ceramic  
capacitors will handle short duration high-frequency  
components of dynamic load changes. In addition, higher  
values of electrolytic capacitors should be used to handle the  
mid-frequency components. It is equally important to use  
good design practise 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, inductance and capacitance of the distribution  
system is within the feedback loop of the converter. This can  
affect on the converters compensation and the resulting  
stability and dynamic response performance. As a “rule of  
thumb”, 100µF/A of output current can be used without any  
additional analysis. For example with a 25A converter, values  
of decoupling capacitance up to 2500 µF can be used without  
regard to stability. With larger values of capacitance, the load  
transient recovery time can exceed the specified value. As  
much of the capacitance as possible should be outside the  
remote sensing loop and close to the load. The absolute  
maximum value of output capacitance is 10000 µF. For values  
larger than this, please contact your local Ericsson Power  
Modules representative.  
Over Voltage Protection (OVP)  
The PKM 4000DSeries DC/DC converters include output  
overvoltage protection. In the event of an overvoltage  
condition due to malfunction in the voltage monitoring  
circuits, the converter's PWM will automatically dictate  
minimum duty-cycle thus reducing the output voltage to a  
minimum.  
Over Current Protection (OCP)  
The PKM 4000DSeries DC/DC converters 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).  
The converter 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.  
E
20  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Thermal Consideration  
General  
Ambient Temperature Calculation  
By using the thermal resistance the maximum allowed  
ambient temperature can be calculated.  
The PKM 4000DSeries DC/DC converters are designed to  
operate in a variety of thermal environments, however  
sufficient cooling should be provided to help ensure reliable  
operation. Heat is removed by conduction, convection and  
radiation to the surrounding environment. Increased airflow  
enhances the heat transfer via convection. The available load  
current vs. ambient air temperature and airflow at Vin =53 V  
for each model is according to the information given under  
the output section. The test is done in a wind tunnel with a  
cross section of 305 x 305 mm, the DC/DC converter  
vertically mounted on a 16 layer Pcb with a size of 254 x 254  
mm, each layer with 35 µm (1 oz) copper. Proper cooling can  
be verified by measuring the temperature of selected devices.  
Peak temperature can occur at positions P1 - P4. The  
temperature at these positions should not exceed the  
recommended max values.  
1. The power loss is calculated by using the formula  
((1/η) - 1) × output power = power losses (Pd).  
η = efficiency of converter. E.g 90 % = 0.90  
2. Find the thermal resistance (Rth) in the Thermal Resistance  
graph found in the Output section for each model.  
Calculate the temperature increase (T).  
T = Rth x Pd  
3. Max allowed ambient temperature is:  
Max Tref - T.  
E.g PKM 4110D PINB 53v full load at 2m/s:  
1
Note that the max value is the absolute maximum rating  
(non destruction) and that the electrical Output data is  
guaranteed up to Tref +90°C.  
1. ((  
) - 1) × 115 W = 14.2 W  
0.89  
2. 14.2 W × 4°C/W = 56°C  
Position  
Device  
Pcb  
Mosfet  
Mosfet  
Transformer  
Designation  
Tref  
Tsurface  
Tsurface  
Tsurface  
max value  
3. 110 °C - 56°C = max ambient temperature is 54°C  
P1  
P2  
P3  
P4  
110º C  
120º C  
120º C  
130º C  
The real temperature will be dependent on several factors, like  
Pcb size and type, direction of airflow, air turbulence etc.  
It is recommended to verify the temperature by testing.  
E
21  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Connections  
Pin  
Designation  
Function  
1
2
3
4
5
6
7
8
+In  
Positive input  
RC  
Remote control  
Negative input  
- In  
- Out  
- Sen  
Vadj  
+ Sen  
+ Out  
Negative output  
Negative remote sense  
Output voltage adjust  
Positive remote sense  
Positive output  
Top View  
E
22  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Mechanical Information  
E
23  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Mechanical Information for base plate option  
E
24  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Soldering Information — Through Hole Mounting  
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 hands 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.  
Delivery package information  
The products are delivered in antistatic trays.  
Tray specifications  
PS, dissipative  
Material  
10E5 to 10E12 ohms/square  
20 converters/tray  
140 g empty, 940 g full  
20 converters  
Surface resistance  
Tray capacity  
Tray weight  
Box capacity  
E
25  
Technical Specification  
EN/LZT 146 306 R2C Jan 2007  
PKM 4000D PINB series  
DC/DC converters, Input 36-75 V, Output 40 A/132 W  
© Ericsson Power Modules AB  
Product Qualification Specification  
Characteristics  
External visual inspection  
IPC-A-610  
Change of temperature  
(Temperature cycling)  
IEC 60068-2-14 Na  
Temperature range  
Number of cycles  
Dwell/transfer time  
-40 to +100 °C  
300  
30 min/0-1 min  
Cold (in operation)  
Damp heat  
IEC 60068-2-2 Bc  
IEC 60068-2-3 Ca  
Temperature TA  
Duration  
-40 °C  
2 h  
Temperature  
Humidity  
Duration  
+85 °C  
85 % RH  
1000 hours  
Immersion in cleaning solvents  
Mechanical shock  
IEC 60068-2-45 XA  
Water  
Isopropanol  
Glycol ether (Zestron)  
+55 ±5 °C  
+35 ±5 °C  
+35 ±5 °C  
IEC 60068-2-27 Ea  
Peak acceleration  
Duration  
Pulse shape  
Directions  
200 g  
3 ms  
Half sine  
6
Number of pulses  
18 (3 + 3 in each perpendicular direction)  
Vibration random  
IEC 60068-2-34 Eb  
IEC 60068-2-6 Fc  
IEC 60068-2-21 Ua1  
Frequency  
Spectral density  
Duration  
10 to 500 Hz  
0.025 g2/Hz  
10 min in each 3 perpendicular directions  
Vibration sinusoidal  
Frequency  
Acceleration  
Duration  
10 to 500 Hz  
10 g  
2 h in each 3 perpendicular directions  
Robustness of terminations  
Solder heat stability  
Storage test  
Tensile  
Duration  
20N/signal pin; 40N/power pin  
10 s  
IEC 60068-2-20 Tb  
Method 1A  
Temperature, solder  
Duration  
260 °C  
10 s  
IEC 60068-2-2 Ba  
Temperature  
Duration  
125 °C  
1000 h  

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