Features- Eighteen 20mA Universal Current Sources with 64-Step Linear Brightness Control
- Independent On/Off, Brightness Level, Blinking and Gradation Control for Each Current Source Using 2-Wire I2C Interface
- Low Noise Multi-Mode Charge Pump (1x, 1.5x, 2x) Provides Up to 91% Efficiency
- Slew Limited Switching Reduces Conducted and Radiated Noise (EMI)
- Up to 360mA Total Output Current
- Internal Current Reference
- Single Reset Pin for Asynchronous Shutdown and Reset of All Data Registers
- Two I2C Addresses Are Available (LTC3220: 0011100, LTC3220-1: 0011101)
- Automatic or Forced Mode Switching
- Internal Soft-Start Limits Inrush Current
- Short-Circuit/Thermal Protection
- 4mm × 4mm Ultrathin (0.55mm) 28-Lead QFN Package
Typical Application | Applications- Video Phones with QVGA+ Displays
- Keypad Lighting
- General/Miscellaneous Lighting
Packaging |
