th July 28 , 2010 Automotive Grade AUIRS21811S HIGH AND LOW SIDE DRIVER Features Product Summary Floating channel designed for bootstrap operation Topology High and Low Side Driver Fully operational to +600 V Tolerant to negative transient voltage, dV/dt V 600V OFFSET immune V 10V 20V Gate drive supply range from 10V to 20V OUT Undervoltage lockout for both channels I & I (typical) 1.9A & 2.3A o+ o- 3.3V and 5V input logic compatible Matched propagation delay for both channels t & t (typical) 135ns on off Lower di/dt gate driver for better noise immunity Output source/sink current capability of 1.9A/2.3A Package Options typical Leadfree, RoHS compliant Automotive qualified* Typical Applications Piezo injection Electric Power Steering Fan and compressor 8 - Lead SOIC Starter/alternator AUIRS21811S Typical Connection Diagram AUIRS21811S * Qualification standards can be found on IRs web site www.irf.com 2009 International Rectifier AUIRS21811S Table of Contents Page Typical Connection Diagram 1 Description/Feature Comparison 3 Qualification Information 4 Absolute Maximum Ratings 5 Recommended Operating Conditions 5 Dynamic Electrical Characteristics 6 Static Electrical Characteristics 6 Functional Block Diagram 7 Input/Output Pin Equivalent Circuit Diagram 8 Lead Definitions 9 Lead Assignments 9 Application Information and Additional Details 10 Parameter Temperature Trends 11-13 Package Details 14 Tape and Reel Details 15 Part Marking Information 16 Ordering Information 17 Important Notice 18 www.irf.com 2009 International Rectifier 2