IRS2158D

Sept 7, 2009 IRS2158D(S) Advanced Information Features Ballast control and half-bridge driver in one IC Programmable half-bridge over-current protection Programmable preheat frequency Programmable preheat time Programmable ignition ramp Programmable run frequency Closed-loop ignition current regulation Voltage-controlled oscillator (VCO) Programmable deadtime End-of-life window comparator pin Internal 60-event current sense up/down fault counter Lamp removal/auto-restart shutdown pin Brownout protection Low offset op amp Internal bootstrap MOSFET Internal 15.6 V zener clamp diode on Vcc Micropower startup (250 μA) Latch immunity and ESD protection Typical Applications Fluorescent lamp ballast dimming (<5%) Product Summary Topology VOFFSET Vio (typical) Io+ & I o- (typical) Start-up current (typical) Package Options PDIP16 Half-Bridge 600 V 0V 180 mA & 260 mA 250 µA SOICN16 Typical Connection Diagram www...