com March 29, 2010 Datasheet No – PD97477 IRS2573D HID BALLAST CONTROL IC Datasehet Features • • • • • • • • • • • • • • • • • • • • • Buck, full-bridge and lamp control in one IC Continuous/critical-conduction mode buck control 600V high and low-side full-bridge driver 600V high-side buck Driver Low-side ignition FET gate driver Integrated bootstrap FETs for full-bridge high-side drivers Constant lamp power control Programmable buck cycle-by-cycle over-current protection Programmable buck output voltage limitation Programmable lamp current limitation Programmable full-bridge frequency Fault latch reset input Programmable ignition counter (21sec/64sec typical) Programmable...

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