參數(shù)資料
型號(hào): VRAH-12F1A0R
廠商: BEL FUSE INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 39.6 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT PACKAGE-5
文件頁(yè)數(shù): 3/10頁(yè)
文件大?。?/td> 367K
代理商: VRAH-12F1A0R
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
General Specifications (continued)
Parameter
Dimensions (surface mount)
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
Dimensions (vertical)
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
Weight
Control Specifications
Parameter
Remote On/Off
Signal Low (Unit Off)
-0.3 V
Signal High (Unit On)
2.2 V
Output Trim Equations
Equations for calculating the trim resistor given the desired adjusted voltage (Vadj) and the nominal output
voltage of the converter (Vo) 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.
adj
Vo
Vo
,
0.8 Vdc - 3.63 Vdc/12 A Output
Min
Typ
Max
Notes
0.78 x 0.70 x 0.32
19.81 x 17.78 x 8.13
0.70 x 0.308 x 0.65
17.78 x 7.82 x 16.51
6 g
-
-
Min
Typ
Max
Notes
-
-
0.8 V
5.5 V
Remote on/off pin open, unit on.
Note
: Vo=0.9 V.
Thermal Derating Curve
Vout
Trim
GND
Rtrim-down
Module
Vout
Trim
GND
Rtrim-up
Module
Kohm
down
Rtrim
)
197
.
10
0058
.
(
_
=
Kohm
Vo
adj
Vo
up
Rtrim
)
187
.
,
007
.
(
_
=
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