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SCT2016

更新时间： 2024-09-26 11:46:23

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SCT2016 数据手册

StarChips

Technology

SCT2016 V03_01; Feb/12

16-Channel Constant Current Driver

Product Description

The SCT2016 is a sixteen channels constant current driver best for the LED lighting. It provides the

PWM control effect by sinking constant current from LED clusters with minimum pulse width 200ns. The

PWM control is performed by connecting the PWM signal from system control unit to OE pin of the

SCT2016. The full scale current value of each output is set by an external resistor connected to REXT

pin.

The SCT2016 guarantees to endure maximum DC 24V at each output port. Each output of SCT2016

can sink a constant current up to 80mA. Users can simply shunt the outputs to get higher current

driverꢀability, especially in the case of high power LED lighting.

The excellent current regulation capability allows SCT2016 easily drive each output current to a constant

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

operating temperature. The SCT2016 is equipped with over temperature protection. The sixteen

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 overheat.

Features

Sixteen constantꢀcurrent outputs rate at 24V

Current regulated output channels, constant current range: 5 – 80mA

Constant current source invariant to load voltage change

Fast output current control, the minimum output enable pulse width = 200ns

±2%(typ) current matching between outputs

±4%(typ) current matching between ICs

Low dropout output 0.4V@20mA

All output current are adjusted through one external resistor

Dimming control available

Builtꢀin power on reset and thermal protection function

Supply voltage range: 3.3 ꢀ 5V

Package: TSSOP20

Application: LED lighting, LED backlight, LED lamp

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