SC445：High Efficiency Integrated Driver for 4-Strings of 150mA LEDs

特性：

Wide input voltage range from 4.5V to 27V

Sustain fast Vin fluctuation up to 5v/μs
42V maximum output voltage
Drives up to 40 WLEDs in 4 strings
Programmable LED current for up to 150mA per string
+/- 2% string-to-string current matching
Up to 90% efficiency
Wide 0.2% to 100% PWM dimming range
Enable analog dimming
Integrated 3.0A power switch
700KHz switching frequency for small size
Adjustable OVP for cost-effective output cap selection
Open/short LED protection
Short LED protection enable/disable
Thermal protection with auto-recovery
Thermally enhanced TSSOP-20 EDP package
Lead-free, Halogen-Free and WeEE/RoHS Compliant