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QX5241
Maximum output current: 2.5A High efficiency: 96% High-end current detection Maximum brightness control frequency: 5KHz Hysteresis control, no compensation required Maximum operating frequency: 1MHz Current accuracy: up to ±1% Wide input voltage: 5.5V~36V Maximum output power: 25W 5V, 5mA on-chip voltage regulator
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- Product Description
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- Commodity name: QX5241
- 封装: SOT23-6
- 品牌: Quanxin
Maximum output current: 2.5A High efficiency: 96% High-end current detection Maximum brightness control frequency: 5KHz Hysteresis control, no compensation required Maximum operating frequency: 1MHz Current accuracy: up to ±1% Wide input voltage: 5.5V~36V Maximum output power: 25W 5V, 5mA on-chip voltage regulator
QX5241
The QX5241 is a high-precision, high-brightness LED constant current driver controller with a step-down design.
The QX5241 sets the output current via an external resistor, with a maximum output current of up to 2.5A; the current detection accuracy is up to ±1%; it only requires a few external components to achieve step-down, constant current drive functions, and brightness control can be achieved through the DIM pin.
The system uses an inductor current hysteresis control method, which has a very fast response to load transients and a high suppression ratio for input voltage; its inductor current ripple is 20%, and the maximum operating frequency can reach 1MHz.
The QX5241 is particularly suitable for applications with a wide input voltage range, with an input voltage range from 5.5V to 36V; and an operating temperature range from -20℃ to 85℃.
The QX5241 has a built-in LDO with a 5V output voltage and a maximum output current of 5mA.
The QX5241 uses a small SOT23-6 package.
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