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LTC3220-1

Linear Technology Corporation
Part Number LTC3220-1
Manufacturer Linear Technology Corporation
Description 360mA Universal 18-Channel LED Driver
Published Jan 12, 2009
Detailed Description Features n Eighteen 20mA Universal Current Sources with 64-Step Linear Brightness Control n Independent On/Off, Brightne...
Datasheet PDF File LTC3220-1 PDF File

LTC3220-1
LTC3220-1

Overview
Features n Eighteen 20mA Universal Current Sources with 64-Step Linear Brightness Control n Independent On/Off, Brightness Level, Blinking and Gradation Control for Each Current Source Using 2-Wire I2C Interface n Low Noise Multi-Mode Charge Pump (1x, 1.
5x, 2x) Provides Up to 91% Efficiency n Slew Limited Switching Reduces Conducted and Radiated Noise (EMI) n Up to 360mA Total Output Current n Internal Current Reference n Single Reset Pin for Asynchronous Shutdown and Reset of All Data Registers n Two I2C Addresses Are Available (LTC3220: 0011100, LTC3220-1: 0011101) n Automatic or Forced Mode Switching n Internal Soft-Start Limits Inrush Current n Short-Circuit/Thermal Protection n 4mm × 4m...


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