SC440 - High Effi ciency Integrated Driver

Semtech Corporation

Datasheet Details

Part number	SC440
Manufacturer	Semtech Corporation
File Size	90.98 KB
Description	High Effi ciency Integrated Driver
Datasheet	SC440_SemtechCorporation.pdf

The SC440 is a high-efficiency multiple string WLED driver with an integrated boost converter.

Wide input range 4.5V to 21V 36V maximum output voltage with adjustable OVP for smaller output capacitor.
Drives up to 60 WLEDs in 6 strings.
Programmable WLED current for up to 30mA per string.
1% string-to-string current matching www. DataSheet4U. com.
2.5A integrated power switch.
Up to 91% efficiency.
0.2% to 100% PWM dimming.
Analog dimming.
800KHz switching frequency for small external component.
Open/short LED.

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Published: Nov 17, 2008 |