LED Drivers
  • SC445
  • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs
  • SC440
  • High Effi ciency Integrated Driver for 6-Strings of 30mA LEDs
  • SC440A
  • High Efficiency Integrated Driver for 6-Strings of 30mA LEDs
  • SC441A
  • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs - AEC-Q100 Qualified
  • SC441C
  • High Efficiency Integrated Driver for 4-Strings of 150mA LEDs - High Voltage Input
  • SC442
  • 10-Channel, Integrated, High Efficiency 120 White LED Driver
  • SC443
  • High Efficiency Integrated Boost Driver for 3-Strings of 30mA LEDs
  • SC446
  • High Efficiency Integrated Driver for 3-Strings of 100mA LEDs
Semtech SC622A

Semtech SC622A

Charge Pump LED Driver for 400mA Flash + 2LDO + I2C Interface

Add to Watch List

The SC622A 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
  • 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
  • External flash control pin to sync with camera
  • Optional 1s flash time out
  • Automatic sleep mode (flash off ) — IQ = 100μA
  • Low shutdown current — 0.1μA (typical)
  • Ultra-thin package — 3mm x 3mm x 0.6mm
  • Fully WEEE and RoHS compliant

Applications


  • Cellular phone flash
  • PDA flash
  • Camera I/O and core power

Packaging

MLPQ-UT-20 (3 X 3 mm)

Order Codes

  • SC622AULTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
 
- Close -
Add Product to Watch List

Please login to the mySemtech member site to add products to your personal Watch List.

If you're not registered for mySemtech, please Register now. mySemtech member benefits include pre-filled forms for quick and easy online ordering, technical support, new product information and more.