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IRS25401PBF Datasheet(PDF) 1 Page - International Rectifier |
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IRS25401PBF Datasheet(HTML) 1 Page - International Rectifier |
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1 / 20 page  www.irf.com © 2010 International Rectifier September 8, 2010 Datasheet No – PD97524 IRS254(01,11) LED BUCK REGULATOR CONTROL IC Features • 200 V (IRS25401) and 600 V (IRS25411) half bridge driver • Micropower startup (<500 μA) • ±2% voltage reference • 140 ns deadtime • 15.6 V zener clamp on VCC • Frequency up to 500 kHz • Auto restart, non-latched shutdown • PWM dimmable • Small 8-Lead DIP/8-Lead SOIC packages Typical Applications LED drivers for lamp replacement LED driver back end current regulator Product Summary Topology Buck VOFFSET 200V,600V VOUT VCC Io+ & I o- (typical) 0.5A/0.7A tON & tOFF (typical) 50/30nS Deadtime (typical) 140nS Packages 8-Lead PDIP 8-LeadSOIC IRS254(01,11)PbF IRS254(01,11)SPbF Typical Connection Diagram 1 2 3 4 8 7 6 5 VCC IFB LO VS HO VB COM M1 M2 CBOOT DBOOT RCS RF CF RS1 CVCC1 CVCC2 ROV1 ROV2 CEN DOV DEN1 L1 EN COM VBUS COUT RG1 RG2 VOUT+ VOUT- IC1 CBUS2 RS2 DCLAMP CBUS1 L2 ENN ROUT |
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