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RT8565 - Richtek

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RT8565 6 WLEDs Driver

The RT8565 is a high efficiency LED driver IC capable of driving 6 LEDs. The RT8565 integrates 26V/0.9A power switch with an internal Schottky diode. The RT8565 is a current mode boost converter which is fixed at 600kHz operating frequency and has a wide input voltage range from 2.8V to 4.5V. The LED current is set with an external resistor and the feedback .

Features

z Internal Schottky Diode z Internal Soft-Start and Compensation z 200mV Reference Voltage z 64-Step Pulse Dimming z Open LED Protection z Internally Set Over Voltage Protection z Over Temperature Protedtion z Current Limit Protection z RoHS Compliant and Halogen Free Applications z GPS, Portable DVD Backlight z Mobile Phone, Smart Phone Pin Configurations (TOP VIEW) 8 FB 1 7 VIN VOUT 2 6 EN GND 3 5 LX 4 NC NC WQFN-8L 1.6x1.6 (COL) Marking Information C0W C0 : Product Code W : Date Code DS8565-01 April 2011 www.richtek.com 1 RT8565 Typical Application Circuit VIN 2.8V to 4.5V .

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