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FAN5609

Part Number	FAN5609
Manufacturer	Fairchild Semiconductor
Description	LED Driver with Adaptive Charge Pump DC/DC Converter
Published	Mar 30, 2005
Detailed Description	www.fairchildsemi.com FAN5609 LED Driver with Adaptive Charge Pump DC/DC Converter Features • • • • • Parallel LED Driv...
Datasheet	FAN5609 PDF File

Overview

www.
fairchildsemi.
com FAN5609 LED Driver with Adaptive Charge Pump DC/DC Converter Features • • • • • Parallel LED Driver Supports All Forward Voltages Adaptive VOUT Adjustment to the Highest Diode Voltage Internally Matched LED Current Sources No External Components Needed to Set LED Current Built-in Charge Pump has Three Modes of Operation: – Linear Regulation VIN > 4.
2V – 3/2 DC-DC Converter and Regulation 3.
6V2V – 2/1 DC-DC Converter and Regulation 2.
7V6V Up to 86% Efﬁciency Low EMI, Low Ripple Up to 80mA Output Current (4 × 20mA) Built-in DAC for Digital or PWM Brightness Control Can be Duty Cycle Modulated between 0 to 18mA 2.
7V to 5.
5V Input Voltage Range ICC < 2µA in S...

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