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DD313-4 Datasheet Preview

DD313-4 Datasheet

40V Adjustable Current Sink Linear LED Driver

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DD313-4
Version
: PRE.002
Issue Date : 2015/11/23
File Name : SP-DD313-4-PRE.002.doc
Total Pages : 15
40V Adjustable Current Sink Linear LED Driver
新竹市科學園區展業一路 9 4 樓之 3
SILICON TOUCH TECHNOLOGY INC.
9-4F-3, Prosperity Road I, Science Based Industrial Park,
Hsin-Chu, Taiwan 300, R.O.C.
Tel886-3-5645656 Fax886-3-5645626




SiTi

DD313-4 Datasheet Preview

DD313-4 Datasheet

40V Adjustable Current Sink Linear LED Driver

No Preview Available !

DD313-4
DD313-4
40V Adjustable Current Sink Linear LED Driver
General Description
The DD313-4 IC is an economical, versatile, and robust device designed to provide
cost-effective solution for regulating constant current in applications such as LED lighting
over a 4.5 V to 40 V wide range of supply voltage which allows for single supply voltage
operation from industry standard 5V, 12 V, 18 V, 24 V, 36 V power rails. The device is
designed to operate as a constant current source.
The output current of DD313-4 (up to 120 mA) is set by an external resistor. The
output current can be dimmed by digital PWM duty (up to 1 MHz to prevent flickering).
Provision such as an over temperature shutdown/alarm function insures damage
avoidance under an overheated operating condition. The LED open detection function is
also included to provide fault detection with a fault status reported through open-drain
output ALARM pin. The 40 volt high voltage output is implemented to withstand surges
common in automobile, industrial, and commercial lighting applications.
The DD313-4 comes with SOT26 thermally robust packages.
Features
Wide operating voltage range with self-bias power supply (4.5 V to 40 V)
Constant current regulator
Low reference voltage (VSENSE = 0.65V)
Integrated MOSFET with on resistance less than 2.9 Ω
Output current: 2mA ~ 120 mA
Channel current deviation among devices: ±3%
PWM dimming up to 1 MHz (invisible flickering)
Voltage surge (40 V) suppressing for LED protection
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Low temperature drift: ±5% over -40 C to +85 C
High power supply rejection ratio: -64 dB (A/V)
LED open circuit detection
Thermal shutdown and pre-thermal warning
SOT26 thermal robust package
40V Adjustable Current Sink Linear LED Driver
Version:PRE.002
未經授權而逕予重製、複製、使用或公開本文件,行為人得被追究侵權之相關民刑事責任
Unauthorized reproduction, duplication, use or disclosure of this document will be deemed as infringement.
Page 1


Part Number DD313-4
Description 40V Adjustable Current Sink Linear LED Driver
Maker SiTi
Total Page 15 Pages
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