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
|
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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