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PDF ( 数据手册 , 数据表 ) L5100

零件编号 L5100
描述 WHITE LED STEP-UP CONVERTER
制造商 Unisonic Technologies
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L5100 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO.,
L5100
LINEAR INTEGRATED CIRCUIT
WHITE LED STEP-UP
CONVERTER
21
3
DESCRIPTION
The UTC L5100 is a STEP-UP DC/DC Converter and
designed for driving white LEDs with a constant current. It
can drive several LEDs in series by a Li-Ion cell. UTC L5100
switches at a high frequency 1.2MHz, so it can allowing the
use of tiny external components. The output capacitor can be
as small as 0.22µF, saving space and cost compare with
alternative other solutions. The low 95mV feedback voltage
minimizes power loss in the current setting resistor can have
better efficiency.
5
4
SOT-25
1
SOT-363
FEATURES
* Inherently Matched LED Current
* High Efficiency: 83% Typical
* Drives Up to Four LEDs from a 3.2V Supply
* Drives Up to Six LEDs from a 5V Supply
* 36V Rugged Bipolar Switch
* 1.2MHz Switching Frequency
* Uses Tiny 1mm Tall Inductors
* Output Capacitor can be small to only 0.22µF
www.DataSheet4U.com
*Pb-free plating product number: L5100L
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
L5100-AF5-R
L5100L-AF5-R
L5100-AN3-R
L5100L-AN3-R
Package
SOT-25
SOT-363
Packing
Tape Reel
Tape Reel
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co.,
1
QW-R103-024,A












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