Datasheet > SCT2007

SCT2007

更新时间： 2024-02-13 20:44:06

品牌	Logo	应用领域
其他 - ETC		驱动
页数	文件大小	规格书
15页	332K
描述
4-bit senrial-in/parallel-out constant current driver

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SCT2007 数据手册

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Technology

SCT2007 V01_01; Jun/10

4-bit Serial-In/Parallel-Out PWM Constant Current Driver

Product Description

The SCT2007 is a 4ꢀchannel currentꢀsink constant current driver incorporating patented PWM circuit. In

general, three channels for typical RGB LEDs cluster and one additional channel for another red

LED(2R1G1B) to enrich color saturation or lit up white LED(1R1G1B1W) to increase display or backlight

brightness. In applications, users can set the output currents OUT[0:3] from 5mA to 90mA by one

resistor for concurrent or four resistors for individual current setting. The serial data are shifted into shift

multiple SCT2007s.

For the wire/line cost sensitive application, the SCT2007 provides two signal wires only (clock and data)

to transmit serial data for longꢀdistance cascaded operation. It also embeds clock and data buffers to

regenerate input signals at the same time improve transmission quality for longꢀdistance transmission.

The SCT2007 embeds PWM gray scale controller to provide 10ꢀbit gray scale and 12ꢀbit global

brightness for each output. Each output has 10ꢀbit gray scale (1024 grayscales), thus three outputs

represent 30ꢀbit color. The minimum gray scale PWM pulse width ~80ns provides faster response time

and more exquisite color presentation for RGB LED cluster application.

Since the high clock frequency can be reached up to 20MHz, the SCT2007 satisfies the system

requirements of high volume data transmission to control the RGB LED for mixꢀcolor display. The higher

clock frequency provides higher data transfer rate and faster refresh rate when many driver ICs connect

in cascade configuration. Furthermore, the SCT2007 also provides TTL interface (supply independent

input threshold), thus it can recognize the output signals issued from the controller system which is feed

with power supply input less than typical 5V.

The excellent current regulation capability allows SCT2007 easily drive each output current to a constant

stable output nearly without affected by power supply of LED, loading due to variant V_Fof LEDs and

operating temperature. The SCT007 is equipped with over temperature protection. The four channels IC

stops driving the output while sense its junction temperature exceeds the 160°C high limit and the output

will be reactivated while the junction temperature is below the 110°C low limit. In conclusion, the driver

system is protected from damage of overheated.

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

http://www.dekay-sz.com

TEL:0755-82571529/13428925295

FAX:0755-89374256

E-mail:dekay_sz@126.com

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与SCT2007相关器件

型号	品牌	获取价格	描述	数据表
SCT2008	ETC	获取价格	8-channel const current driver
SCT2008S	ETC	获取价格	8-Channel Constant Current Driver,这是一款线性led驱动
SCT2016	ETC	获取价格	sct2016 v03-01;feb/12
SCT2016S	ETC	获取价格	16-channel constant current driver
SCT2024	ETC	获取价格	16-bit Serial-In/Parallel-Out Constant-Curren
SCT2026	ETC	获取价格	16-bit senrial-in/parallel-out constant current driver
SCT2027	ETC	获取价格	16-bit constant-current led driver with modeless error detection
SCT205K122D3B23F	CDE	获取价格	CAPACITOR, FILM/FOIL, 1200V, 2uF, CHASSIS MOUNT, ROHS COMPLIANT
SCT205K122D3B25-F	CDE	获取价格	Snubber Film Capacitor
SCT205K122D3S25F	CDE	获取价格	CAPACITOR, FILM/FOIL, 1200V, 2uF, CHASSIS MOUNT, ROHS COMPLIANT

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