Full PDF Text Transcription for SC441A (Reference)
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SC441A www.DataSheet4U.com POWER MANAGEMENT Features High Efficiency Integrated Driver for 4-Strings of 150mA LEDs Description The SC441A is...
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ntegrated Driver for 4-Strings of 150mA LEDs Description The SC441A is a high-efficiency multiple string WLED driver with an integrated boost converter. It operates over a wide input range from 4.5V to 21V with a maximum output voltage of 36V and a 2.5A internal power switch. It can drive up to forty WLEDs in 4 strings with current up to 150mA per string. The string-to-string current matching is 2% typical, 3% maximum. 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 500: 1.
SC441A Datasheet
