SC4509: Highly Integrated Step-Up Converter For White LED Applications In MLPD-W8-2x2 | Semtech

The SC4509 is a highly integrated Step-up DC/DC convert- er targeted for white LED backlighting applications. It is designed to drive up to , ve LEDs with a wide input voltage range of 2.7 to 10 volts. Designed for 20V output voltage, the SC4509 operates with a constant 1.2MHz PWM fre- quency. To optimize ef, ciency, the feedback voltage is set to only 199mV, minimizing the power loss in the current setting resistor. The product requires only four external components (CIN, COUT, L and R ), making it ideal for SET applications that require low cost and minimal PCB area. By Semtech Corporation
SC4509 's PackagesSC4509 's pdf datasheet

SC4509 Pinout, Pinouts
SC4509 pinout,Pin out
This is one package pinout of SC4509,If you need more pinouts please download SC4509's pdf datasheet.

SC4509 Application circuits
SC4509 circuits
This is one application circuit of SC4509,If you need more circuits,please download SC4509's pdf datasheet.

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