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PDF ( 数据手册 , 数据表 ) L4120

零件编号 L4120
描述 40V/1.2A INTEGRATED POWER LED DRIVER
制造商 Unisonic Technologies
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L4120 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO., LTD
L4120
Preliminary
40V/1.2A INTEGRATED
POWER LED DRIVER
CMOS IC
„ DESCRIPTION
The UTC L4120 is a continuous conduction mode inductive
step-down converter, designed for driving single or multiple series
connected LEDs. Using a few external components.
The UTC L3080 has a build-in power switch, based on different
input voltage, The UTC L4120 can drive several 1W or 3W LEDs.
The device has the function of thermal shutdown protection and
LED short-circuit/open-circuit protection.
„ FEATURES
* Up to 1.2A output current
* High efficiency (up to 97%)
* Wide input voltage range: 5V~30V
* Typical ±5% output current accuracy
* Single DIM pin on/off and brightness control using DC voltage or
PWM signal
* Internal thermal shutdown protection.
* Adjustable Constant LED Current
1
SOT-89-5
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
L4120L-AB5-R
L4120G-AB5-R
Package
SOT-89-5
L4120L-AB5-R
(1)Packing Type
(2)Package Type
(3)Lead Free
(1) R: Tape Reel
(2) AB5: SOT-89-5
(3) L: Lead Free, G: Halogen Free
„ MARKING
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2014 Unisonic Technologies Co., Ltd
1 of 4
QW-R125-031.a












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