July 28th, 2010
Automotive Grade
AUIRS21811S
HIGH AND LOW SIDE DRIVER
Features
Product Summary
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Floating channel designed for bootstrap operation
Topology
High and Low Side Driver
≤ 600V
Fully operational to +600 V
Tolerant to negative transient voltage, dV/dt
immune
VOFFSET
VOUT
10V – 20V
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Gate drive supply range from 10V to 20V
Undervoltage lockout for both channels
3.3V and 5V input logic compatible
Matched propagation delay for both channels
Lower di/dt gate driver for better noise immunity
Output source/sink current capability of 1.9A/2.3A
typical
Io+ & I o- (typical)
ton & toff (typical)
1.9A & 2.3A
135ns
Package Options
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Leadfree, RoHS compliant
Automotive qualified*
Typical Applications
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Piezo injection
Electric Power Steering
Fan and compressor
Starter/alternator
8 - Lead SOIC
AUIRS21811S
Typical Connection Diagram
AUIRS21811S
* Qualification standards can be found on IR’s web site www.irf.com
© 2009 International Rectifier