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SCT2367

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SCT2367 数据手册

StarChips

Technology

SCT2367 V01_01; Nov/12

8-bit x 3 Serial-In/Parallel-Out Constant Current Driver

Product Description

The SCT2367 serialꢀinterfaced LED driver sinks 24 LED clusters with constant current to keep uniform

intensity of LED displays. In applications, three external resistors are used to set the fullꢀscale constant

output current from 5mA up to 45mA. The SCT2367 guarantees each output can endure maximum 17V

DC stress. The builtꢀin shift registers and data latches making the SCT2367 an effective solution in

driving LED display. The SCT2367 incorporate three 8ꢀchannel drivers, and users can adjust output

current through three external resistors. The output enable function with 3 output enable pins gates 24

outputs on and off, and is fast enough to be used as PWM input for LED intensity control. Since the

serial data input rate can be reached up to 25MHz, the SCT2367 will satisfy a system which needs high

volume data transmission to control the LED display.

Features

24 constant current sinker with LED powerꢀsupply voltage up to 17V

Constant output current : 5ꢀ45mA@5V , 5ꢀ30mA@3.3V

Excellent current regulation to load, supply voltage and temperature

±2% current matching between outputs

±3% current matching between ICs

Fast output current control: Minimum PWM pulse width = 180ns

Output current are programmed using three external resistors

CMOS Schmitt trigger inputs with clock rate up to 25MHz

Operating supply voltage range of 3.3V to 5.5V

Builtꢀin power on reset circuit forces all the outputs off while power on

Interlaced 30nS delay between outputs to reduce the bouncing noise

Package: LQFP48

Applications: LED Displays, Variable Message Signs, LED Traffic Signs

TEL:0755-82571529/13428925925

FAX:0755-89374256

深圳市德凯源科技有限公司 SCT(晶锜科技)一级代理

地址:深圳市福田区中航路都会电子城2B102A

htttp://www.dekay-sz.com

E-mail:dekay_sz@126.com

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