Datasheet > SCT2024

SCT2024

更新时间： 2024-02-02 10:59:44

品牌	Logo	应用领域
其他 - ETC		驱动
页数	文件大小	规格书
19页	428K
描述
16-bit Serial-In/Parallel-Out Constant-Current LED Driver,这是台湾晶錡研制的一款led显示屏驱动IC，功能可完全替代聚积5024是一样，价格更便宜

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SCT2024 数据手册

StarChips

Technology

SCT2024 V01_02; Aug/10

16-bit Serial-In/Parallel-Out Constant-Current LED Driver

Product Description

The SCT2024 serialꢀinterfaced LED driver sinks 16 LED clusters with constant current to keep the

uniform intensity of LED displays. In applications, an external resistor is used to set the fullꢀscale

constant output current from 5mA up to 45mA. The SCT2024 guarantees each output can endure

maximum 17V DC voltage stress. The builtꢀin shift registers and data latches making the SCT2024

effective solution in driving LED display. The output enable function gates all 16 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 SCT2024 will satisfy system which needs high volume data transmission to

control the LED display. Furthermore, the SCT2024 provides excellent temperature regulation thus it

can be applied to varied of operating temperature.

Features

ꢀ

16 robust constant current sinker with LED powerꢀsupply voltage up to 17V

Constant output current : 5 – 30/45mA@3.3/5V

Wide power supply voltages: 3.3V to 5V

Excellent regulation to load, supply voltage and temperature

Temperature regulation: ±0.005%/°C,

Load regulation: ±0.1%/V

Line regulation: ±0.5%/V

ꢀ

High current matching accuracy: ±1% between outputs, ±2% between ICs

Fine grayscale response with 180ns PWM pulse width

Dropout voltage 0.5V@20mA, V_DD=5V

CMOS Schmitt trigger inputs with clock rate up to 25MHz @ cascade connection

The constant current value of 16 outputs is set by a single external resistor

Interlaced 30ns delay of output, preventing instant current surge and output bouncing overstress

Builtꢀin power on reset(POR) circuit forces all the outputs off while power on

Package: SSOP24, SSOP24ꢀ1, SOP24 and TQFN24

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

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