參數(shù)資料
型號(hào): V7AH-12F250R
廠(chǎng)商: BEL FUSE INC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT 30 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, MODULE-5
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 499K
代理商: V7AH-12F250R
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
3.0 Vdc - 5.5 Vdc Input
1.0 Vdc - 3.3 Vdc/12 A Output
Output Trim Equations
Equations for calculating the trim resistor (in k) given the desired adjusted voltage (Vadj) and the nominal
output voltage of the converter (Vnom) are shown below. The Trim Down resistor should be connected between
the Trim pin and Vout. The Trim Up resistor should be connected between the Trim pin and Ground. Only one of
the resistors should be used for any given application.
B
V
A
R
adj
nom
TrimDown
=
D
V
C
R
nom
adj
TrimUp
=
Vnom
A
B
C
D
3.3
161.391
161.900
43.330
100.000
2.5
111.674
208.900
43.330
147.000
1.8
68.576
287.900
43.330
226.000
1.5
50.000
287.900
43.330
226.000
1.2
31.240
208.900
43.330
147.000
1.0
18.850
161.900
43.330
100.000
Module
Vout
Trim
GND
Rtrimdown
Module
Vout
Trim
GND
Rtrimup
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