参数资料
型号: PKB4619PIPNBP
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 62.5 W DC-DC REG PWR SUPPLY MODULE
封装: 58 X 19.94 MM, 7.62 MM HEIGHT, LOW PROFILE, EIGHTH BRIK PACKAGE-8
文件页数: 9/12页
文件大小: 233K
代理商: PKB4619PIPNBP
6
PKB 4000
EN/LZT 146 033 R1A Ericsson Power Modules, October 2003
Output Ripple
Transient
PKB 4619 PINB Typical Characteristics
Output voltage ripple (20mV/div.) at TPcb=+25 °C, Vin=53 V,
Io=25A resistive load.
Band width=4MHz.
Time scale: 2s / div.
Output voltage response to load current step-change
(6-18-6 A) at TPcb=+25 °C, Vin=53 V.
Top trace: output voltage (100mV/div.).
Bottom trace: load current (5 A/div.)
Time scale: 0.1 ms/div.
Output Voltage Adjust
Output voltage adjust resistor value vs.
percentage change in output voltage.
0
4
8
121620
100000
10000
1000
100
10
1
[%]
[k
]
VO increase
VO decrease
Output Voltage Adjust
The resistor value for an adjusted output voltage is calcu-
lated by using the following equations:
Output Voltage Adjust Upwards, Increase:
Radj= 5.11((2.5(100+
%)) /1.225%- (100+2%) /%) k
Output Voltage Adjust Downwards, Decrease:
Radj= 5.11(100 /
%-2) k
Eg Increase 4% =>Vout = 2.600 Vdc
5.11(2.5(100+4)/1.225x4-(100+2x4)/4) = 133 kOhm
Eg Decrease 2% =>Vout = 2.450 Vdc
5.11(100/2-2)= 245 kOhm
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