High Efciency Integrated Boost Driver For 3-Strings Of 30mA LEDs

The SC443 is a high-efficiency multiple string WLED driver with an integrated boost converter. It operates over a wide input range from 4.5V to 27V with a maximum output voltage of 42V and a 1A internal power Switch It CAN drive 3 strings with current up to 30mA per string. The string-to-string current matching is within, typically, 1% and the overall efficiency is greater than 90% due to the low Current Sense voltage and a low-impedance internal power Switch The wide PWM dimming range boasts a ratio of 250: 1. By Semtech Corporation
SC443 's PackagesSC443 's pdf datasheet

SC443 Pinout will be updated soon..., now you can download the pdf datasheet to check the pinouts !
SC443 Application circuits
SC443 circuits
This is one application circuit of SC443,If you need more circuits,please download SC443's pdf datasheet.

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SC443 Application Notes SC443 RoHS SC443 Circuits SC443 footprint