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IRS2530DSTRPBF Datasheet(PDF) 1 Page - International Rectifier |
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IRS2530DSTRPBF Datasheet(HTML) 1 Page - International Rectifier |
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1 / 23 page  July 09, 2008 IRS2530D(S) DIM8 TM DIMMING BALLAST CONTROL IC IC Features • Dimming ballast control plus half-bridge driver • Closed-loop lamp current dimming control • Internal non-ZVS protection • Internal crest factor protection • Programmable preheat time • Fixed dead-time (2.0 μs typ.) • Lamp insert auto-restart • Internal bootstrap MOSFET • Internal 15.6V zener clamp diode on Vcc • Micropower startup (250 μA) • Latch immunity and ESD protection Ballast System Features • Single chip dimming solution • Simple lamp current dimming control method • Single lamp current sensing resistor required • No half-bridge current-sensing resistor required • No external protection circuits required (fully internal) • Flash-free lamp start at all dimming levels • Large reduction in component count • Easy to use for fast design cycle time • Increased manufacturability and reliability Typical Connection Diagram Product Summary Topology Half-Bridge VOFFSET 600 V VOUT VCC IO+ & IO- (typical) 180mA & 260mA Deadtime (typical) 2.0 μs Package Types PDIP8 SO8 Typical applications • Linear dimming ballast (down to 10%) • 3-way dimming ballast • Multi-level switch dimming ballast CRES LRES:A CDC RVCC1 LF CF BR1 CBUS L N F1 MLS MHS DCP2 CSNUB DCP1 CVCC2 CBS RHO RLO 1 2 3 4 8 7 6 5 VCC COM DIM VCO LO VB VS HO RLMP2 RLMP1 CDIM CVCO CFB RDIM2 SPIRAL CFL LAMP LRES:B LRES:C CH1 CH2 1-10V DIM INPUT RDIM1 RCS RFB CPH RVCO (+) (-) AC LINE INPUT RVCC2 CVCC1 RLIM1 RLIM2 www.irf.com © 2008 International Rectifier 1 |
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