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參數(shù)資料
| 型號： | PKM4418LDPINBM |
| 廠商： | ERICSSON POWER MODULES AB |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 48 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | ROHS COMPLIANT, QUARTER BRICK, 8 PIN |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 1202K |
| 代理商： | PKM4418LDPINBM |
1
EN/LZT 146 201 R3A Ericsson Power Modules, February 2007
PKM 4000D Datasheet
Output Ripple
Transient
PKM 18HD 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 (0.5 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 (0.5 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= [5.917 /(0.8166-(1.225/VO))-1] kOhm
Output Voltage Adjust Downwards, Decrease:
Radj= [4.093 /(1.225-(0.8166/VO))-1] kOhm
Eg Increase % =>Vout = . Vdc
5.917/(0.8166-(1.225/1.62))=97 kOhm
Eg Decrease % =>Vout = . Vdc
4.093 /((1.225/1.38)-0.8166))-1=56.4 kOhm
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