QX5246F-Shenzhen Yifangda Electronics Co., Ltd

Yifangda Electronics Co., Ltd., Shenzhen

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QX5246F

Ø Built-in 40V, 5A power MOS Ø Current accuracy: ±4% Ø High efficiency: 95% Ø High-end current detection, constant current output Ø Brightness control, maximum brightness control frequency: 5KHz Ø Hysteresis control: no compensation required Ø Maximum operating frequency: 1MHz Ø 5V, 2mA on-chip voltage regulator Ø ESOP8 package

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Quanxin Electronics

Product Description

- Commodity name: QX5246F
- 封装: SOP8
- 品牌: Quanxin
Ø Built-in 40V, 5A power MOS Ø Current accuracy: ±4% Ø High efficiency: 95% Ø High-end current detection, constant current output Ø Brightness control, maximum brightness control frequency: 5KHz Ø Hysteresis control: no compensation required Ø Maximum operating frequency: 1MHz Ø 5V, 2mA on-chip voltage regulator Ø ESOP8 package

QX5246F High-End Current Detection High-Brightness LED Driver

The QX5246F is a step-down, constant-current, high-efficiency, high-brightness LED driver.

The QX5246F is especially suitable for applications with a wide input voltage range, from 5.5V to 36V, and it has a high suppression ratio for input voltage fluctuations.

The QX5246F uses a built-in power switch tube with low on-resistance, simplifying the chip's external circuitry. It only requires a few external components to achieve step-down, constant-current drive functionality, and brightness control can be achieved through the DIM pin.

The QX5246F sets the output current via an external resistor. Its built-in power MOSFET achieves high-end current detection with ±4% current accuracy.

Due to its hysteresis control method, the QX5246F has a very fast response speed to load transients, with a maximum operating frequency of up to 1MHz.

The QX5246F uses an ESOP8 package.

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