(PDF) DD312 Datasheet - High Constant Current LED Drivers

Número de pieza	DD312
Descripción	High Constant Current LED Drivers
Fabricantes	SiTi
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No Preview Available ! www.DataSheet4U.com DD312 Product Brief SILICON TOUCH TECHNOLOGY INC. High Constant Current LED Drivers General Description DD312 is a single-channel constant current LED driver designed to drive high power LED. It can provide a maximum sink current of 1A, adjustable by an external resistor. The output enable allows dimming control or switching power applications. Features z Maximum constant current output: 1A determined by external resistor z Maximum sinking output voltage: 17V z Minimum output voltage: 1V (Iout = 1A) z Output enable terminal: 1MHz (max.) z Supply voltage range: 5V ~ 18V z Over current protection z Thermal shutdown Pin Connection GND EN OUT RESERVED 1 2 3 4 SOP-8 8 VCC 7 RESERVED 6 REXT 5 REXT TO-252 1 23 45 VLED VCC ILED TO-252 REXT 123 45 EN Application z Power LED lighting applications z LED backlighting applications SILICON TOUCH TECHNOLOGY INC. 9-7F-1 Prosperity RoadⅠ, Science-Based Industrial Park, Hsinchu, Taiwan 300, R.O.C. TEL:886-3-5645656 FAX:886-3-5645626 © Copyright 2005 Silicon Touch Tech. Inc. Feb. 2005 Preliminary 1 page

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PDF DD312 Data sheet ( Hoja de datos )