參數(shù)資料
型號: VRP2-50E3A0G
廠商: BEL FUSE INC
元件分類: 電源模塊
英文描述: DC-DC REG PWR SUPPLY MODULE
封裝: MODULE-15
文件頁數(shù): 15/15頁
文件大?。?/td> 413K
代理商: VRP2-50E3A0G
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com
9
NON-ISOLATED DC/DC CONVERTERS
5 Vdc - 13.8 Vdc Input
0.6 Vdc - 5 Vdc/50 A Output
Nov. 02, 2010
Bel Power, Inc. , a subsidiary of Bel Fuse, Inc.
Control Specifications
Parameter
Min
Typ
Max
Unit
Notes
Remote On/Off (Active High)
Signal Low (Unit Off)
-0.3
-
0.8
V
Signal High (Unit On)
2
-
Vin,max
V
Remote On/Off pin is open, unit is off.
Current Source/Sink
0
-
3.3
mA
Recommended remote on/off circuit for active high
Control with open collector/drain circuit
Control with photocoupler circuit
Control with logic circuit
Permanently on
Output Trim Equations
Equations for calculating the trim resistor are shown below. The Trim Up resistor should be connected between
the Trim+ pin and Trim- pin.
Maximum duty cycle is 65%.
Minimum trim down voltage is 0.6V
Maximum trim up voltage is 5V.
The total voltage increased by trim and remote sense should not exceed 10% of the nominal output voltage.
The resistor trim equation:
The voltage trim equation:
1.2
()
0.6
trim
RK
Vo
Module
Vout
Trim+
Trim–
Rtrim
()
1
2
1
1.2 2
()
0.6
1.2
trim
RV
RK
RVo
Trim+
+
-
Vtrim
Trim-
Rtrim1
Rtrim2
Vin +
Vin-
On/o ff
Vcc
Vin+
Vin-
On/off
Vc c
Vin+
Vin-
On/off
Vin+
Vin-
On/off
Vcc
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