參數(shù)資料
型號(hào): IR3311S
廠商: International Rectifier
英文描述: PROGRAMMABLE CURRENT SENSING HIGH SIDE SWITCH
中文描述: 可編程電流傳感高端開關(guān)
文件頁(yè)數(shù): 1/12頁(yè)
文件大小: 312K
代理商: IR3311S
Features
Load current feedback
Programmable over current shutdown
Active clamp
E.S.D protection
Input referenced to Vcc
Over temperatue shutdown
Reverse battery protection
IR3311(S)
Data Sheet No.PD60210_C
Description
The IR 3311(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 IR3311(S) very rugged and
suitable for the automotive environment.
Typical Connection
PROGRAMMABLE CURRENT SENSING HIGH SIDE SWITCH
Product Summary
R
ds(on)
V
cc.op.
Current ratio
I
shutdown
Active clamp
Load Dump
12m
6 to 28V
5300
6A to 58A
35V
40V
Package
www.irf.com
1
VCC
OUT
IN
IR 3311
LOAD
Battery
Power
Ground
System
Ground
off
on
Ifb
10 k
RIfb
5 Lead TO220
IR3311
5 Lead
D
2
Pak (SMD220)
IR3311S
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