MCP1643T-I/MC

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MCP1643T-I/MC is a PMIC - LED Drivers that specifically designed for cost-effective switching power supply solutions. This value-oriented solution has proprietary architecture and strategy to provide high performance over wide input range. The MCP1643T-I/MC incorporates typical LED node setup and can be used to supply fixed-frequency flyback LED drivers with current peak sensing or basic AC/DC LED nodes.

One of the main advantages of the MCP1643T-I/MC is its superior design and flexibility. The device comes with integrated high-performance voltage, current, and frequency monitoring features. This allows to easily adjustable LED current, thereby provision of uniform and flicker-free LED driver operation. It also features a small form-factor package, enabling small size designs with high capacity. Finally, the MCP1643T-I/MC supports a wide-variable input voltage and provides over temperature protection for LED node.

MCP1643T-I/MC is a type of flyback switch mode LED driver. Its working principle mainly depends on two stages: the flyback-converter stage and the current source control stage. In Flyback converter, output voltage is dependent on input voltage, primary winding turns and output current. It requires a voltage regulator, which supplies power to the secondary winding. In current source, the current controller is used to provide constant current to the LED driver.

The MCP1643T-I/MC product utilizes two-step control, the output voltage and the current controlled at the same time. It has a wide input voltage specification range of 4 V to 48 V, which allows for conversion efficiency up to 92%. Furthermore, its maximum output current is up to 50mA, which is suitable for multiple LED applications. Besides, it provides protection features such as under voltage lockout, over current protection and over temperature protection.

In summary, MCP1643T-I/MC is a type of excellent PMIC - LED Drivers specifically designed for cost-effective switching power supply solutions. This value-oriented solution offers users the features of high performance over wide input range, adjustable LED current, small form-factor package, wide variable input voltage and integrated protection features. It also applies two step control principle to provide high conversion efficiency and superior performance. Thus, it is suited for lighting applications, such as LED bulb and LED backlight.

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