參數(shù)資料
型號: PKM4918LCPIPNBSP
廠商: ERICSSON POWER MODULES AB
元件分類: 電源模塊
英文描述: 1-OUTPUT 96 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT
文件頁數(shù): 30/30頁
文件大?。?/td> 596K
代理商: PKM4918LCPIPNBSP
9
EN/LZT 146 035 R3D Ericsson Power Modules, June 2005
PKM 4000C Datasheet
Output Ripple
Transient
PKM 4918LC PINB Typical Characteristics
Output voltage ripple (50mV/div.) at TPcb = +25 °C,
Vin = 53 V, IO = 80 A resistive load with C = 10 F
tantalum and 0.1 F ceramic capacitor
Band width = 20 MHz. Time scale: 2s / div.
Output voltage response to load current step-change
(15-55-15 A) at TPcb = +25 °C, Vin = 53 V.
Top trace: output voltage (200 mV/div.).
Bottom trace: load current (50 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 = 80 A resistive load, TPcb = +25 °C, Vin = 53 V.
Top trace: output voltage (0.5 V/div.).
Bottom trace: input voltage (20 V/div.).
Time scale: 5 ms/div.
Turn-off enabled by disconnecting Vin.
IO = 80 A resistive load, TPcb = +25 °C, Vin = 53 V.
Top trace: input voltage (0.5 V/div.).
Bottom trace: output voltage (20 V/div.).
Time scale: 2 ms/div.
The resistor value for an adjusted output voltage is
calculated by using the following equations:
Output Voltage Adjust Upwards, Increase:
Radj= [4896/(1.0208-(1.225/Vo))-1000 Ohm
Output Voltage Adjust Downwards, Decrease:
Radj= [5104/((1.225/Vo)-1.0208)-1000 Ohm
Eg Increase 8 % to VO = 1.3 Vdc
4896 / (1.0208 - (1.225
/1.3)) - 1000 = 61 kOhm
Eg Decrease 8 % to Vout = 1.1 Vdc
5104 / ((1.225/1.1) - 1.0208) - 1000 = 54 kOhm
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