参数资料
型号: IR3312S
厂商: International Rectifier
文件页数: 1/13页
文件大小: 0K
描述: IC SWITCH HI-SIDE 50V 2.8A D2PAK
标准包装: 50
类型: 高端
输入类型: 非反相
输出数: 1
导通状态电阻: 15 毫欧
电流 - 输出 / 通道: 14A
电流 - 峰值输出: 100A
电源电压: 6 V ~ 28 V
工作温度: -40°C ~ 150°C
安装类型: 表面贴装
封装/外壳: TO-263-5,D²Pak(4 引线+接片),TO-263BB
供应商设备封装: D2Pak(SMD-220 5 引线)
包装: 管件
其它名称: *IR3312S
Data Sheet No.PD60211 rev.D
IR3312(S)
PROGRAMMABLE CURRENT SENSING HIGH SIDE SWITCH
Features
? Load current feedback
? Programmable over current shutdown
? Active clamp
? E.S.D protection
? Input referenced to Vcc
? Over temperatue shutdown
? Reverse battery protection
Description
The IR 3312(S) is a Fully Protected 4 terminal high side switch.
The input signal is referenced to Vcc. When the input voltage
Vcc - Vin is higher than the specified Vih threshold, the output
power MOSFET is turned-on. When Vcc - Vin is lower than
the specified Vil threshold, the output MOSFET is turned-off.
A sense current proportional to the current in the power Mosfet
is sourced to the Ifb pin. Over-current shutdown occurs when
Vifb - Vin > 4.5 V. The current shutdown threshold is adjusted
by selecting the proper RIfb. Either over-current and over-tem-
perature latches off the switch. The device is reset by pulling
the input pin high. Other integrated protections ( ESD, reverse
battery, active clamp ) make the IR3312(S) very rugged and
suitable for the automotive environment.
Product Summary
R ds(on)
V cc.op.
Current ratio
I shutdown
Active clamp
Load Dump
Package
5 Lead TO220
IR3312
20m ?
6 to 28V
2800
3 to 30A
35V
40V
5 Lead
D 2 Pak (SMD220)
IR3312S
Typical Connection
VCC
IN
Ifb
IR 3312
OUT
Battery
10 k
LOAD
RIfb
off
on
System
Ground
Power
Ground
www.irf.com
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