SC623A
Product inactive. Information on this page is for reference only.
The SC623A is a high efficiency charge pump LED driver using Semtech’s proprietary mAhXLife™ technology. Performance is optimized for use in single-cell Li-ion battery applications.
功能
- Input supply voltage range — 3.0V to 5.5V
- Charge pump modes — 1x, 1.5x and 2x
- Four programmable current sinks with 32 steps from 0.5mA to 25mA
- Flash LED — 400mA max in flash mode, 250mA max continuous for spotlight
- Charge pump frequency — 250kHz
- I2C compatible interface — up to 400kHz
- Backlight current accuracy ±1.5% typical
- Backlight current matching ±0.5% typical
- Programmable fade-in/fade-out for main backlight
- External flash control pin to sync with camera
- Optional 1s flash time out
- Automatic sleep mode (LEDs off ) — IQ = 100μA
- Low shutdown current — 0.1μA (typical)
- Ultra-thin package — 3mm x 3mm x 0.6mm
- Fully WEEE and RoHS compliant
- Cellular phone backlighting and flash
- PDA backlighting and flash
- Camera I/O and core power
应用
封装
- MLPQ-UT-20 (3 X 3 mm)
订购代码
- SC623AULTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
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