IRS27952S

IRS27951S IRS27952(4)S RESONANT HALF-BRIDGE CONVERTER CONTROL IC Features  Simple primary-side control solution for fixed and variable frequency DC-DC resonant converters.  Max 500kHz per channel output with 50% duty cycle  Floating channel bootstrap operation up to +600Vdc  Programmable minimum and maximum switching frequency  Programmable soft start frequency and soft start time  Programmable dead time  Micropower start-up & ultra low quiescent current  Over-current protection using low side MOSFET Rds(on)  User initiated micropower “Sleep mode”  Under-voltage Lockout  Simple design with minimal component count.  Lead-free Product Summary Topology VOFFSET VOUT IO+ & IO- (typical) Dead-time (programmable) Package Options Typical Application  LCD & PDP TV  Telecom SMPS, PC SMPS  Home Audio Systems IRS27951S/IRS27952S Half-Bridge 600 V VCC 300 mA & 900 mA 200ns~2us 14-lead SOIC IRS279524S Ordering Information Base Part Number Package Type IRS27951 SOIC8N IRS27952 SOIC8N IRS279524 SOIC14N Standard Pack Form Quantity Tube/Bulk 95 Tape and Reel 2500 Tube/Bulk 95 Tape and Reel 2500 Tube/Bulk 55 Tape and Reel 2500 Complete Part Number IRS27951SPBF IRS27951STRPBF IRS27952SPBF IRS27952STRPBF IRS279524SPBF IRS279524STRPBF 1 www.irf.com © 2015 International Rectifier Submit Datasheet Feedback August 27, 2015 Typical Application Diagram DC BUS VIN R1 R2 Dss Rss RT Rmax Css CDC Dbs U1 1 VCC 2 RT 3 CT/SD 4 COM IRS2795 8 VB HO 7 VS ...