IRS2158D_15 Datasheet, PDF (1/30 Pages) International Rectifier – Advanced Information

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
V_OFFSET
Vio (typical)
I_o+ & 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
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