IRS2530D

www.DataSheet4U.net July 09, 2008 IRS2530D(S) DIM8 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 (2.0μs typ.) Lamp insert auto-restart Internal bootstrap MOSFET Internal 15.6V zener clamp diode on Vcc Micropower startup (250μA) Latch immunity and ESD protection TM DIMMING BALLAST CONTROL IC Product Summary Topology VOFFSET VOUT IO+ & IO- (typical) Deadtime (typical) Half-Bridge 600 V VCC 180mA & 260mA 2.0μs Package Types 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 PDIP8 SO8 internal) Flash-free lamp start at all dimming levels Large reduction in component count Typical applications Easy to use for fast design cycle time Linear dimming ballast (down to 10%) Increased manufacturability and reliability 3-way dimming ballast Multi-level switch dimming ballast Typical Connection Diagram L AC LINE INPUT N F1 LF BR1 RVCC1 RVCC2 RLIM1 CF CBUS CVCC1 RLIM2 VCC VB 1 8 RHO HO CBS CSNUB RLO MLS DCP2 RLMP2 RLMP1 CH2 CRES LRES:B CH1 MHS LRES:A CDC IRS2530D CVCC2 CDIM COM 2 DIM 7 6 5 3 CVCO VCO VS SPIRAL CFL LAMP 4 CPH RVCO RDIM1 CFB LO (+) 1-10V DIM INPUT (-) RFB DCP1 L...