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参数资料
| 型号： | VRBA-03A1A0G |
| 厂商： | Bel Fuse Inc |
| 文件页数： | 3/8页 |
| 文件大小： | 0K |
| 描述： | CONV DC/DC 3A 8.3-14V .75-5V OUT |
| 标准包装： | 60 |
| 系列： | VRBA-03A1Ax |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 8.3V |
| 电压 - 输入（最大）： | 14V |
| Voltage - Output 1： | 0.75 ~ 5 V |
| 电流 - 输出（最大）： | 3A |
| 电源（瓦） - 制造商系列： | 15W |
| 特点： | 具有远程开/关功能和 UVLO |
| 安装类型： | 通孔 |
| 封装/外壳： | 5-SIP 模块 |
| 尺寸/尺寸： | 0.90" L x 0.25" W x 0.40" H（22.9mm x 6.3mm x 10.2mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 93% |
| 电源（瓦特）- 最大： | 15W |
| 其它名称： | VRBA-03A1A0 |
NON-ISOLATED DC/DC CONVERTERS
8.3 Vdc - 14 Vdc Input
General Specifications
0.75 Vdc - 5.0 Vdc/3 A Output
Parameter
Min
Typ
Max
Notes
Efficiency
Vo=5.0 V
Vo=3.3 V
Vo=0.75 V
Switching Frequency
Over Temperature Shutdown
MTBF
89%
86%
73%
-
-
93%
90%
77%
300 kHz
135 ° C
8,791,825 hours
-
-
-
-
-
Measured at Vin=12 V, full load (Current
Source)
Calculated Per Bell Core SR-332 (I O =
80% load; T a = 25 ° C)
Dimensions (Vertical Mount)
Inches (L × W × H)
Millimeters (L × W × H)
0.9 x 0.4 x 0.243
22.9 x 10.2 x 6.16
Weight
-
2.5 g
-
Note : All specifications are typical at 25 ° C unless otherwise stated.
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit Off)
Signal High (Unit On)
Signal Low (Unit On)
Signal High (Unit Off)
Output Voltage Trim Range (Wide Trim)
-0.3 V
2.5 V
-0.3 V
2.5 V
0.7525 V
-
-
-
-
-
0.4 V
14 V
0.4 V
14 V
5.0 V
VRBA-03A1A0; Remote On/Off pin
open, Unit on.
VRBA-03A1AL; Remote On/Off pin
open, Unit on.
Output Trim Equations
Equation for calculating the trim resistor (in k ? ) given the desired adjusted voltage (Vadj) is shown below. The
Trim Up resistor should be connected between the Trim pin and Ground.
Vout
R trim
=
10 . 507
V adj ? 0 . 7525
? 1
Module Trim
Rtrim
GND
Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The
Trim Up voltage should be connected between the Trim pin and Ground.
Vout
V trim = 0 . 7 ? 0 . 0667 × ( V adj ? 0 . 7525 )
Module
Trim
Vtrim
GND
Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 ? Tel 201-432-0463 ? Fax 201-432-9542 ? www.belfuse.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| VRBA-03A1AL | 制造商:Bel Fuse 功能描述:Module DC-DC 1-OUT 0.75V to 5V 3A 15W 5-Pin SIP Module |
| VRBA-03A1AX | 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS |
| VRBA-03A1AX_07 | 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS |
| VRBA-03E1A | 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS |
| VRBA-03E1A_07 | 制造商:BEL 制造商全称:Bel Fuse Inc. 功能描述:NON-ISOLATED DC/DC CONVERTERS |
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