GENERAL DESCRIPTION
Pin Connection GND EN OUT RESERVED 1 2 3 4 8 VCC RESERVED REXT REXT SOP-8 7 6 5 TO-252 VCC 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 ILED VLED VCC TO-252 REXT 1 2 3 4 5 GND REXT OUT EN EN FEATURES
1 2 3 4 5 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 SILICON TOUCH TECHNOLOGY INC. DD312 Product Brief High Constant Current LED Drivers Output Current as a Function of Output Voltage 1.1 1.0 0.9 0.8 0.7 Iout (A) 0.6 0.5 0.4 0.3 0.2 0.1 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 Vout (Volt) 4.0 Power Diss...
SiTi
