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FAN5608

Fairchild Semiconductor
Part Number FAN5608
Manufacturer Fairchild Semiconductor
Description Serial/Parallel LED Driver
Published Mar 30, 2005
Detailed Description www.fairchildsemi.com FAN5608 Serial/Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter Features • Two...
Datasheet PDF File FAN5608 PDF File

FAN5608
FAN5608

Overview
www.
fairchildsemi.
com FAN5608 Serial/Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter Features • Two Independent Channels Drive up to Six LEDs per Channel • Adaptive Output Voltage Drive to Maximize Efficiency • PWM/PFM Mode of Operation of the Boost Circuit • Up to 85% Efficiency • Up to 2 × 20mA Output • Two Built-in DACs for Independent (Digital) Brightness Control for Both Channels • LED’s Current Can be Duty-Cycle-Modulated between 0 to 20mA • Digital, Analog, and PWM Brightness Control • 2.
7V to 5V Input Voltage Range • 0.
5MHz Operating Frequency (8MHz internal clock) • Soft Start • Low Shutdown Current: ICC < 1µA • LED Short Circuit Protection • Minimal External Components Needed • Available in space saving 8-lead and 12-lead MLP Packages.
Description The FAN5608 LED driver generates regulated output currents from a battery with input voltage varying between 2.
7V to 5V.
An internal NMOS switch drives an external inductor, and a Schottky diode delivers the indu...


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