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參數(shù)資料
| 型號： | PKM4213CPIPNB |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 204 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-10 |
| 文件頁數(shù)： | 11/26頁 |
| 文件大?。?/td> | 1073K |
| 代理商： | PKM4213CPIPNB |
ESKEVIN
3/1301-BMR 637 01 Uen
Approved
Checked
Date
Rev
Reference
SEC/D (Julia You)
EYINGJI
2007-12-10
C
Operating information continued
Parallel Operation
The PKM 4000CSeries 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
4000C Series DC/DC converters for increased power without
using external current sharing circuits.
See Design Note 006 for detailed information.
Remote Sense
All PKM 4000CSeries DC/DC converters have remote sense
that can be used to compensate for moderate amounts of
resistance in the distribution system and allow for voltage
regulation at the load or other selected point. The remote
sense lines will carry very little current and do not need a
large cross sectional area. However, the sense lines on the
Pcb should be located close to a ground trace or ground
plane. In a discrete wiring situation, the use of twisted pair
wires or 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 voltage at the output pins. The output voltage
and the 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.
Over Temperature Protection (OTP)
The PKM 4000CSeries DC/DC converters are protected from
thermal overload by an internal over temperature shutdown
circuit. When the Pcb temperature (TC reference point)
exceeds the temperature trig point (~120 °C) the OTP circuit
will cut down output power. The converter will stop until safe
operating temperature is restored. Hysteresis between OTP
trig point and restart is approx 10°C. Time between OTP and
restart is dependant on cooling of DC/DC converter.
Over Voltage Protection (OVP)
The PKM 4000CSeries DC/DC converters have output
overvoltage protection. In the event of an output overvoltage
condition, the converter will shut down immediately. The
converter make continous attempts to start up (non-latching
mode) and resume normal operation automatically.
Over Current Protection (OCP)
The PKM 4000CSeries 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.
Thermal Consideration
General
The PKM 4000Cseries 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.
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.
See Design Note 019 for further information.
Position
Device
Designation
max value
P1
Pcb
Tref
110 C
P2
Mosfet
Tsurface
120 C
P3
Mosfet
Tsurface
120 C
P4
Transformer
Tsurface
130 C
E
PKM 4000C PINB Series
DC/DC converters, Input 36-75 V, Output 55 A/204 W
EN/LZT 146 307 R4A August 2008
Ericsson Power Modules AB
Technical Specification
19
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| PKM4213CPISP | 制造商:Ericsson 功能描述:- Trays |
| PKM4218APIOB | 制造商:Ericsson 功能描述:DC/DC PS SGL-OUT 1.2V 20A 24W - Bulk |
| PKM4218GCPINB | 功能描述:DC/DC轉(zhuǎn)換器 180W 100A 1.8A RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PKM4218HCPINB | 功能描述:DC/DC轉(zhuǎn)換器 150W 100A 1.5A RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PKM4218LEPI | 功能描述:DC/DC轉(zhuǎn)換器 1.2 Vdc 20A Iso Input 36-75V 24W RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
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