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L5101

Part Number	L5101
Manufacturer	UTC
Description	WHITE LED STEP-UP CONVERTER
Published	Apr 12, 2007
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD L5101 WHITE LED STEP-UP CONVERTER DESCRIPTION The UTC L5101 is a fixed frequency step-up ...
Datasheet	L5101 PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD L5101 WHITE LED STEP-UP CONVERTER DESCRIPTION The UTC L5101 is a fixed frequency step-up PWM DC/DC converter and designed for white LEDS driving with a constant current to provide backlight in handheld devices.
The device switches at a high frequency 1.
2MHz by an internal N-channel MOSFET switch to be capable of minimum external components using.
The UTC L5101 can drive up to 5 LEDs in series by a Li-Ion cell.
Series connection of LEDS provides identical LED currents resulting in uniform brightness without ballast resistors.
The low 95mV feedback voltage minimizes power loss in the current setting resistor can have better efficiency.
LINEAR INTEGRATED CIRCUIT ...

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