Datasheet > SCT2932

SCT2932

更新时间： 2024-09-29 11:46:23

品牌	Logo	应用领域
其他 - ETC		驱动器开关
页数	文件大小	规格书
25页	2273K
描述
1A LED Driver With Intemal Switch

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SCT2932 数据手册

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Technology

SCT2932 V1.0; Feb/11

1A LED Driver with Internal Switch

General Description

SCT2932 is a high efficiency , constant current, continuous mode inductive step-down converter,

designed for driving constant current to high power (single or multiple) LED with only 4 external

components. SCT2932 operates from input supply between 5V and 33V and provides an externally

adjustable output current of up to 1A.

The SCT2932 is specifically designed with PFM control to enhance the efficiency up to 95%. The

Output current can be modify by an external resister , and can adjusted, by applying an external control

signal to the DIM pin , The DIM pin will accept a PWM waveform.

Additionally, to ensure the system reliability, SCT2932 is built-in with over temperature protection,

and LED open-circuit/short-circuit protection to protect system from being damaged.

Features

ꢀ 1A output current

ꢀ Wide input voltage range: 5V to 33V

ꢀ High efficiency (up to 95%)

ꢀ Internal NDMOS power switch

ꢀ Single pin on/off and brightness control using PWM

ꢀ Hysteretic PFM improves efficiency at light loads

ꢀ With Thermal/Soft start /LED open-short detect protection

ꢀ Only 4 External Components

ꢀ Up to 1Mhz switching frequency

ꢀ Typical 3% output current accuracy

Applications

ꢁ

High power LED lighting

Automotive LED lighting

Low voltage industrial lighting

LED back-up lighting

Constant Current Source

12 3 4 5 6 7...25

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