SC621A
Product inactive. Information on this page is for reference only.
The SC621A 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.
Features
- 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
- Two user-configurable 100mA low-noise LDO regulators
- 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
Applications
Packaging
- MLPQ-UT-20 (3 X 3 mm)
Order Codes
- SC621AULTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
mySemtech
Explore a wealth of downloadable resources and datasheets to assist with prototyping and production.
Looking for documentation?
Login or register for mySemtech to gain access to restricted product documentation and to add documents to your Watch List for update alerts
Distributor/Catalog Supplier Inventory
View product availability from participating distributors below. Browse all distributors here.
| Part # | Country | Qty | Buy | Distributor |
|---|
Resources
