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T8308 Datasheet(PDF) 1 Page - Taiwan Memory Technology |
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T8308 Datasheet(HTML) 1 Page - Taiwan Memory Technology |
1 / 10 page TE CH tm T8308 TM Technology, Inc. reserves the right P. 1 Publication Date: Oct. 2014 to change products or specifications without notice. Revision:C PWM Control 800mA Step-Down Converter FEATURES • Wide Input Voltage Range: 7V to 30V • LED Output Current Up to 800mA • Soft-start • Single pin on/off and brightness control using DC voltage or PWM • High efficiency (up to 97%) • Up to 1MHz switching frequency • Typical 5% output current accuracy • SOT-89 and SOP-8 Lead-free Package Applications • LED/Display Back Light Driver • Lightings • Portable Communication Devices • Handheld Electronics GENERAL DESCRIPTION The T8308 is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input supply between 7V and 30V and provides an externally adjustable output current of up to 800mA. Depending upon supply voltage and external components, this can provide up to 24 watts of output power. The T8308 includes the output switch and a high-side output current sensing circuit, which uses an external resistor to set the nominal average output current. The T8308 is available in SOT-89 and SOP-8 Lead-free package. PART NUMBER EXAMPLES PART NO. PACKAGE T8308-AX SOT-89 T8308-AD SOP-8 |
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