AUIR2085STR Infineon

Sept 26, 2014 Automotive Grade AUIR2085S HIGH SPEED, 100V, SELF OSCILLATING 50% DUTY CYCLE, HALF-BRIDGE DRIVER Product Summary Features Simple primary side control solution to enable half- Topology Half-Bridge bridge DC-Bus Converters for 48V distributed systems with reduced component count and board space V 100 V OFFSET Integrated 50% duty cycle oscillator & half-bridge driver I & I (typical) 1.0A & 1.0A o+ o- IC in a single SO-8 package Programmable switching frequency with up to 500kHz f (max) 500kHz OSC max per channel +/- 1A drive current capability optimized for low charge Deadtime 50ns 200ns MOSFETs HO/LO Pulse Matching +/- 25ns Adjustable dead-time 50ns 200ns Floating channel designed for bootstrap operation up to +100Vdc High and low side pulse width matching to +/- 25ns Package Options Adjustable overcurrent protection Undervoltage lockout and internal soft start Leadfree, RoHS compliant Automotive qualified* Typical Applications 8 - Lead SOIC DC-DC Converters AUIR2085S HEV Auxiliary Converter Battery Management Converters Typical Connection Diagram VBIAS ( 10 V 15 V) VIN (100 V max) DBOOT CBOOT B V S1 CC HO RVO V C RT L + OSC VS T C S2 S C LO CBIAS COM * Qualification standards can be found on IRs web site www.irf.com 2014 International Rectifier AUIRS2085AUIR2085S 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 9 Lead Definitions 10 Lead Assignments 10 Package Details 12 Tape and Reel Details 13 Part Marking Information 14 Ordering Information 15 www.irf.com 2014 International Rectifier 2