參數(shù)資料
型號(hào): VRAH-07A1A0
廠(chǎng)商: BEL FUSE INC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT 23.1 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT PACKAGE-5
文件頁(yè)數(shù): 3/9頁(yè)
文件大?。?/td> 283K
代理商: VRAH-07A1A0
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
12 Vdc Input
0.9 Vdc - 3.3 Vdc/7 A Output
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency
VO=3.3 V
VO=2.5 V
VO=1.8 V
VO=1.5 V
VO=1.2 V
VO=0.9 V
85%
83%
80%
78%
75%
71%
88%
86%
83%
81%
78%
74%
-
Measured at Vin=12 V, full load and
Ta=25
°C
Switching Frequency
250 kHz
300 kHz
350 kHz
Output Trim Range (wide trim)
-
403% Vo
VO=0.9 V
Output Trim Range (narrow trim)
VO=1.2 V-3.3 V
VO=0.9 V
90% Vo
-
110% Vo
MTBF
8,202,646 hours
Calculated Per Bell Core SR-332
(Vin=12 V; Vo=3.3 V; IO = 5.6 A; Ta =
25
°C)
Dimensions (surface mount)
Inches (L × W × H)
Millimeters (L × W × H)
0.78 x 0.70 x 0.32
19.81 x 17.78 x 8.13
Dimensions (vertical)
Inches (L × W × H)
Millimeters (L × W × H)
0.70 x 0.308 x 0.65
17.78 x 7.82 x 16.51
Weight
-
5 g
-
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit Off)
-0.3 V
-
1 V
Signal High (Unit On)
3.5 V
-
14 V
Remote on/off pin open, unit on.
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 Up resistor should be connected between the Trim
pin and Ground.
05
.
1
06
.
6
=
nom
adj
trimup
V
R
Note:
Output voltage Vo=0.9 V when Rtrimup is not connected.
Module
Vout
Trim
GND
Rtrimup
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
VRAH-07A1A00 功能描述:CONV DC/DC 12V 7A 23.1W OUTPUT RoHS:是 類(lèi)別:電源 - 板載 >> DC DC Converters 系列:VRAH 設(shè)計(jì)資源:VI-200, VI-J00 Design Guide, Appl Manual 標(biāo)準(zhǔn)包裝:1 系列:* 類(lèi)型:隔離 輸出數(shù):1 電壓 - 輸入(最?。?42V 電壓 - 輸入(最大):60V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出(最大):* 電源(瓦) - 制造商系列:150W 電壓 - 隔離:* 特點(diǎn):* 安裝類(lèi)型:通孔 封裝/外殼:9-SlimMod 尺寸/尺寸:4.60" L x 1.80" W x 0.52" H(116.8mm x 45.7mm x 13.2mm) 包裝:散裝 工作溫度:-55°C ~ 85°C 效率:* 電源(瓦特)- 最大:*
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