参数资料
型号: SRBA-03E1A0G
厂商: Bel Fuse Inc
文件页数: 3/8页
文件大小: 0K
描述: CONV DC/DC 3A .75-5.0V SMD
标准包装: 90
系列: SRBA-03E1Ax
类型: 非隔离(POL)
输出数: 1
电压 - 输入(最小): 4.5V
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: 表面贴装
封装/外壳: 6-SMD 模块
尺寸/尺寸: 0.80" L x 0.45" W x 0.25" H(20.3mm x 11.4mm x 6.3mm)
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: SRBA-03E1A0
NON-ISOLATED DC/DC CONVERTERS
4.5 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
Output Voltage Trim Range
(Wide Trim)
MTBF
90%
88%
77%
200 kHz
0.7525 V
93%
91%
80%
230 kHz
-
6,350,000 hours
-
-
-
250 kHz
5V
Measured at Vin=12 V, full load
Calculated Per Bell Core SR-332 (I O =
80% load; T a = 25 ° C)
Dimensions (Surface Mount)
Inches (L × W × H)
Millimeters (L × W × H)
0.8 x 0.45 x 0.251
20.32 x 11.42 x 6.38
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)
-0.3 V
-
0.4 V
Signal High (Unit On)
Signal Low (Unit On)
Signal High (Unit Off)
2.5 V
-0.3 V
2.5 V
-
-
-
14 V
0.4 V
14 V
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
相关PDF资料
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