NCP5220AMNR2

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The NCP5220AMNR2 is a low-cost, micro-power, clock boost converter optimized for low output voltage applications for manually-trimmed and also self-trimmed profiles. The product is ideal for cost-sensitive, low voltage applications such as wearables and other consumer electronics. The device’s clock boost converter is a Pulse Frequency Modulation (PFM) converter that switches between the lower and upper shunt resistors and delivers output voltage to the load. Additionally, NCP5220AMNR2 supports a wide range of input voltages and up to 4.5V adjustable output voltage. The NCP5220AMNR2 application field includes AV Automation, PoE & LED Lighting, Home Automation, VoIP & Telecom, Industrial Automation, and Lighting. The device has applications in low-cost, low-voltage applications such as wearables and other consumer electronics. It can be used as a DC-DC boost Buck converter to provide regulated output voltage for applications requiring low power and high efficiency. The working principle of the NCP5220AMNR2 is through clever utilization of a Pulse Frequency Modulation (PFM) converter. This utilizes two shunt resistors, R1 and R2, and switches between them in order to delivery the desired output voltage. When the output voltage drops below the set threshold, the converter switches from R2 to R1, and vice versa, when the output voltage is above the set threshold. The switching speed is dependent on the frequency of the clock signal, and is typically in the range of 100-500 kHz. The NCP5220AMNR2 is also equipped with an array of support circuitry, including a low-dropout (LDO) regulator, a high current driver and an adjustable current limit. This ensures that the necessary output currents and safety margains are achieved without compromising efficiency. The NCP5220AMNR2 has a wide range of features which makes it ideal for low-cost and low-voltage applications. The device features up to 4.5V adjustable output voltage, low quiescent current (1.1mA typical), built-in soft-start, short-circuit protection, over-voltage protection, under-voltage lockout, adjustable current limit and an over temperature protection. In conclusion, the NCP5220AMNR2 is a low-cost, micro-power, clock boost converter optimized for low output voltage applications for manually-trimmed and also self-trimmed profiles. The device is ideal for applications requiring low power and high efficiency and has wide range of applications in AV Automation, PoE & LED Lighting, Home Automation, VoIP & Telecom, Industrial Automation, and Lighting. The working principle of the product is based on carefully utilizing a Pulse Frequency Modulation (PFM) converter, while a wide range of support circuitry helps ensure safety margins and efficiency without compromising performance.

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