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SCT2168 - 8-bit Serial-In/Parallel-Out Constant Current Driver

General Description

The SCT2168 serial-interfaced LED driver sinks 8 LED clusters with constant current to keep the uniform intensity of LED displays.

In applications, an external resistor is used to set the full-scale constant output current from 5mA up to 120mA.

Key Features

  • ‹ 8 constant current sinker with LED power-supply voltage up to 17V ‹ Constant output current : 5.
  • 120mA@5V, 3.
  • 80mA@3.3V ‹ Excellent current regulation to load, supply voltage and temperature ‹ ±1% Current matching between outputs ‹ ±3% Current matching between ICs ‹ Fast output current control: Minimum PWM pulse width = 120ns ‹ All output current are programmed together using a single external resistor ‹ CMOS Schmitt trigger inputs with clock rate up to 25MHz ‹ Operating supp.

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Datasheet Details

Part number SCT2168
Manufacturer StarChips
File Size 473.90 KB
Description 8-bit Serial-In/Parallel-Out Constant Current Driver
Datasheet download datasheet SCT2168 Datasheet

Full PDF Text Transcription (Reference)

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StarChips Technology SCT2168 V01_01; May/09 8-bit Serial-In/Parallel-Out Constant Current Driver Product Description The SCT2168 serial-interfaced LED driver sinks 8 LED clusters with constant current to keep the uniform intensity of LED displays. In applications, an external resistor is used to set the full-scale constant output current from 5mA up to 120mA. The SCT2168 guarantees each output can endure maximum 17V DC voltage stress. The built-in shift registers and data latches making the SCT2168 effective solution in driving LED display. The output enable function gates all 8 outputs on and off, and is fast enough to be used as PWM input for LED intensity control.