November, 14th 2010
Automotive grade

AUIR3316(S)

LOW EMI CURRENT SENSE HIGH SIDE SWITCH

Features
 Load current feedback
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 Programmable over current shutdown
 Active clamp
 ESD protection
 Input referenced to Vcc
 Over temperature shutdown
 Switching time optimized for low EMI
 Reverse battery protection
Description
The AUIR3316(S) is a fully protected 4 terminals high side
switch. The input signal is referenced to Vcc. When the
input voltage Vcc - Vin is higher than the specified
threshold, the output power Mosfet is turned on. When the
Vcc - Vin is lower than the specified Vil threshold, the
output Mosfet is turned off. A current proportional to the
power Mosfet current is sourced to the Ifb pin. Over
current shutdown occurs when Vifb-Vin > 4.7V. The
current shutdown threshold is adjusted by selecting the
proper RIfb. Either over current and over temperature
latches off the switch. The device is reset by pulling the
input pin high. Other integrated protections (ESD, reverse
battery, active clamp) make the switch very rugged in
automotive environment.
Product Summary
Rds(on) 7 m max.
Vcc op. 6 to 26V
Current Ratio 8800
Prog. Ishutdown 10 to 90A
Vclamp 40V

Packages






TO-220 D²Pak
AUIR3316 Pin 4 and 5 fused
AUIR3316S


Typical Connection


Out
AUIR3316
IN
Rifb
Vcc
Load
Battery
Input
Power
Ground
Ifb
Logic
Ground
Current feeback 10k
On
Off