参数资料
型号: PKM4418LDPINBLB
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 48 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT, QUARTER BRICK, 8 PIN
文件页数: 7/21页
文件大小: 1202K
代理商: PKM4418LDPINBLB
1
EN/LZT 146 201 R3A Ericsson Power Modules, February 2007
PKM 4000D Datasheet
Output Ripple
Transient
PKM 18GD PINB Typical Characteristics
Output voltage ripple (20 mV/div.) at TPcb = +25 °C,
Vin = 53 V, IO = 40 A resistive load with C = 10 F
tantalum and 0.1 F ceramic capacitor.
Band width = 20 MHz. Time scale: 2 s/div.
Output voltage response to load current step-change
(10-30-10 A) at TPcb = +25 °C, Vin = 53 V.
Top trace: Input voltage (100 mV/div.).
Bottom trace: load current (10 A/div.).
Time scale: 0.1 ms/div.
Output Voltage Adjust
Output voltage adjust resistor value vs.
percentage change in output voltage.
Output Voltage Adjust
Start-Up
Turn-Off
Start-up enabled by connecting Vin.
IO = 40 A resistive load, TPcb = +25 °C, Vin = 53 V.
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: 10 ms/div.
Turn-off enabled by disconnecting Vin.
IO = 40 A resistive load at TPcb = +25 °C, Vin = 53 V.
Top trace: output voltage (1 V/div.).
Bottom trace: input voltage (20 V/div.)
Time scale: 10 ms/div.
The resistor value for an adjusted output voltage is
calculated by using the following equations:
Output Voltage Adjust Upwards, Increase:
Radj= 5.11 [1.8(100+Δ%) /1.225Δ%- (100+2Δ%) /Δ%] kOhm
Output Voltage Adjust Downwards, Decrease:
Radj= 5.11 [(100 /Δ%-2)] kOhm
Eg Increase % =>Vout = . Vdc
5.11 [1.8(100+4)/(1.225x4)-(100+2x4)/4]=57.25 kOhm
Eg Decrease % =>Vout = . Vdc
5.11 x(100/2-2)=245.3 kOhm
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