The LY2517 is a high frequency, asynchronousboost converter. The intermal MOSFET can supportup to 10 White LEDs for backlighting and OLEDpower application, and the internal soft startfunction can reduce the inrush current. The deviceoperates with 1-MHz fixed switching frequency toallow small external components and to simplifypossible EMI problems. Moreover, the IC comeswith 46V over voltage protection to allow inexpen-sive and small-output capacitors with lower voltageratings. The LED current is initially set with the

external sense resistor Rs.

  Features:

●VIN Operating Range : 2.5V to 5.5V

●Internal Power N-MOSFET Switch

●Wide Range for PWM Dimming (100Hz to200kHz)

●1MHz Switching Frequency

●Minimize the External Component Counts

●Internal Soft Start

●Internal Compensation

●Under Voltage Protection

●Over Voltage Protection

●Over Temperature Protection

  Applications:

●Cellular Phones

●Digital still cameras

●PDAs and Smart Phones and MP3 and OLED.

●Probable Instruments

封装：SOT23-6 OVP46V

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