• SC445
  • 150mA 4-strings高效集成驱动器LED
  • SC440
  • 30mA LED 6-strings高效的集成驱动器
  • SC440A
  • 30mA LED 6-strings高效集成驱动器
  • SC441A
  • 150mA的LED高效集成驱动器4-strings AEC - Q100标准合格
  • SC441C
  • 150mA的LED -高电压输入4-strings高效集成驱动器
  • SC442
  • 10频道,综合效率高120,白色LED驱动器
  • SC443
  • 30mA LED 3-Strings高效集成的升压驱动器
  • SC446
  • 100mA的LED 3-strings高效集成驱动器
Semtech SC652

Semtech SC652

Charge Pump LED Driver for 5BL + PWM Interface


The SC652 is a high effi ciency charge pump LED driver using Semtech’s proprietary charge pump technology. Performance is optimized for use in single-cell Li-ion battery applications.


  • Input supply voltage range — 2.9V to 5.5V
  • Charge pump modes — 1x, 1.5x and 2x
  • PWM dimming control with low pass fi lter provides
  • DC backlight current (not pulsed)
  • PWM frequency range — 200Hz to 50kHz
  • Five adjustable current sinks — 500μA to 25mA
  • Backlight current accuracy ±1.5% typical
  • Backlight current matching ±0.5% typical
  • LED float detection
  • Charge pump frequency — 250kHz
  • Low shutdown current — 0.1μA typical
  • Ultra-thin package — 2 x 2 x 0.6(mm)
  • Fully WEEE and RoHS compliant


  • Cellular phones, smart phones, and PDAs
  • LCD display modules
  • Portable media players
  • Digital cameras
  • Personal navigation devices
  • Display/keypad backlighting and LED indicators



Order Codes

  • SC652ULTRT: Backlight Driver for 5 LEDs with Charge Pump and PWM Control
- 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.