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FAN5616

Fairchild Semiconductor
Part Number FAN5616
Manufacturer Fairchild Semiconductor
Description Constant-Current LED Driver
Published Nov 6, 2006
Detailed Description www.DataSheet4U.com FAN5616 High-Efficiency, Constant-Current LED Driver with Adaptive Charge Pump November 2005 FAN56...
Datasheet PDF File FAN5616 PDF File

FAN5616
FAN5616

Overview
www.
DataSheet4U.
com FAN5616 High-Efficiency, Constant-Current LED Driver with Adaptive Charge Pump November 2005 FAN5616 High-Efficiency, Constant-Current LED Driver with Adaptive Charge Pump Features ■ 3-Channel Parallel LED Driver for a Large Range of ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Description The FAN5616 generates a regulated output current from a battery with an input voltage between 2.
7V to 5.
5V.
Switch reconfiguration and fractional switching techniques are utilized to achieve high efficiency over the entire input voltage range.
The adaptive nature of the built-in charge pump eliminates the need for LED preselection (matching) and ensures operation with high efficiency.
The driver's built-in, proprietary, auto-sense circuitry ensures the same high efficiency regardless of the number of LEDs.
When the input voltage is sufficiently high to sustain the LED’s programmed current level, the FAN5616 reconfigures itself to operate as a linear regulator, and the charge pump is turned o...


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