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ST2226B - PWM-Controlled Constant Current Driver

Datasheet Details

Part number ST2226B
Manufacturer SiTI
File Size 295.04 KB
Description PWM-Controlled Constant Current Driver
Datasheet download datasheet ST2226B Datasheet

General Description

The ST2226B is a LED driver incorporating shift registers, data latches, 16-channel constant current circuitry with current value set by an external resistor, 1024 gray level PWM (Pulse Width Modulation) functional unit and time division capability.

Overview

ST2226B Version : A.002 Issue Date : 2005/02/23 File Name : SP-ST2226B-A.002.doc Total Pages: 20 PWM-Controlled Constant Current Driver for LED Displays 9 7 1 SILICON TOUCH TECHNOLOGY INC.

9-7F-1, Prosperity Road I, Science Based Industrial Pard, Hsin-Chu, Taiwan 300, R.O.C Tel:886-3-5645656 Fax:886-3-5645626 SILICON TOUCH TECHNOLOGY INC.

Key Features

  • ˙ Constant current outputs with current value settings by an external resistor ˙ Maximum output current: 60 mA ˙ Time division output allows the driving of 1 or 2 LEDs with a single output ˙ Maximum / minimum output voltage: 17V / 1.25V ˙ 10 bits luminance data with PWM current outputs ˙ Serial shift-in architecture for luminance data in time division Mode 1 and Mode 2 Absolute Maximum Ratings Supply Voltage (AVDD, DVDD) Input Voltage Range (VIN) Driver Output Voltage Range (VOUT) Driver Output.