SC445Q
Product inactive. Information on this page is for reference only.
The SC445 is a high-efficiency multiple string WLED driver with an integrated boost converter.
功能
- 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
- Medium-sized LCD panel
- Notebook Display
- Automotive Car Navigation Display
- Sub-Notebook and Tablet Computer Displays
- Portable Media Players
应用
封装
- TSSOP-20 EDP
订购代码
- SC445TETRT - Lead-free package only, device is WEEE/RoHS compliant and halogen-free
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