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INTEGRATED CIRCUITS DIVISION
CPC9909
High Efficiency, Off-Line, High Brightness LED Driver
Features
• 8VDC to 550VDC Input Voltage Range • >90% Efficiency • Stable Operation at >50% Duty Cycle • Drives Multiple LEDs in Series/Parallel • Regulated LED Current • Linear or PWM Brightness Control Inputs • Resistor-Programmable Minimum Off-Time • SOIC-8 RoHS Compliant Package • Buck or Boost Configuration
Applications
• Flat-Panel Display RGB Backlighting • Signage and Decorative LED Lighting • DC/DC or AC/DC LED Driver Applications
CPC9909 Block Diagram
VDD VIN RT
LD PW MD
Voltage Regulator
Voltage Reference
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Description
The CPC9909 is a low cost, high-efficiency, offline, high-brightness (HB) LED driver manufactured using IXYS Integrated Circuits Division’s high voltage BCDMOS on SOI