www.irf.com © 2009 International Rectifier
23

July 7, 2009
IRS2552D
CCFL/EEFL BALLAST CONTROLLER IC


Features
• Drives up to two IGBT/MOSFET power devices
• Integrated programmable oscillator
• Soft start function
•
15.6 V voltage clamp on
V
CC
•
Micro-power startup

• 0 V to 5 V input analog dimming
• Programmable ignition frequency
• Programmable ignition time
• Lamp current control
• Programmable deadtime
• Supports multi-lamp operation
• Burst dimming with soft start at every burst
• Latched open circuit protection
• Integrated bootstrap functionality
• Excellent latch immunity on all inputs & outputs
• Integrated ESD protection on all pins

Typical Application
• CCFL/EEFL inverter


Product Summary
Topology Half-Bridge
V
OFFSET
600 V
V
OUT
V
CC
I
O+
& I
O-
(typical) 300 mA & 450 mA
Deadtime
(programmable)
500ns ~ 2µs

Package Options


16-Lead PDIP
16-Lead SOIC (Narrow Body)

Typical Application Diagram