參數(shù)資料
型號(hào)： PKM4918LCPINBLASP
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(yè)數(shù)： 7/30頁(yè)
文件大?。?/td> 596K
代理商： PKM4918LCPINBLASP
15
EN/LZT 146 035 R3D Ericsson Power Modules, June 2005
PKM 4000C Datasheet
Output Ripple
Transient
PKM 4118GC PINB Typical Characteristics
Output voltage ripple (50mV/div.) at TPcb = +25 °C,
Vin = 53 V, IO = 71 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
(18-54-18 A) at TPcb = +25 °C, Vin = 53 V.
Top trace: output voltage (100 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 = 71 A resistive load, TPcb = +25 °C, Vin = 53 V.
Top trace: input voltage (1 V/div.).
Bottom trace: output voltage (20 V/div.).
Time scale: 5 ms/div.
Turn-off enabled by disconnecting Vin.
IO = 71 A resistive load at TPcb = +25 °C, Vin = 53 V.
Top trace: Input voltage 1 V/div.
Bottom trace: output voltage (20 V/div.).
Time scale: 5 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+
%) /1.225%- (100+2%) /%] kOhm
Output Voltage Adjust Downwards, Decrease:
Radj= 5.11 [(100 /
%-2)] kOhm
Eg Increase 4% =>Vout = 1.87 Vdc
5.11 [1.8(100+4)/(1.225x4)-(100+2x4)/4]=57.3 kOhm
Eg Decrease 2% =>Vout = 1.76 Vdc
5.11 x(100/2-2)=245.3 kOhm
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