NCP1835MN24T2G

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The NCP1835MN24T2G is a high performance DC/DC buck converter with low quiescent current and low noise, making it an ideal choice for a variety of applications such as powering personal electronic devices, battery charging, and low noise POS and peripherals. This integrated circuit (IC) is well suited for use in a variety of battery-charging applications, including power supplies, portable devices, and automotive. The NCP1835MN24T2G is a highly integrated DC/DC buck converter intended for use as a high efficiency, single switch, step-down DC/DC frequency converter.

NCP1835MN24T2G Application

NCP1835MN24T2G is designed to provide regulated DC output voltage and current with low part count and low external component count. It is suitable for a wide range of applications including battery charging, handheld electronics, power backup, motor driving and lighting. For example, NCP1835MN24T2G can be used in portable and battery-powered devices, such as digital cameras, portable media players, PDAs, cell phones, and other portable electronic devices, to provide steady power for stable operation. Additionally, the NCP1835MN24T2G is well suited for automotive applications such as LED lighting, audio amplification, and car electronics, due to its high efficiency and low EMI.

Working Principle& Functionality

The NCP1835MN24T2G integrates both a high efficiency boost converter and a low dropout linear regulator (LDO). The integrated Boost + LDO architecture is designed to provide a regulated output voltage with reduced power loss when heavy loads are connected. The Boost converter pulls the input voltage above the output voltage and the LDO regulates the output voltage over a wide range of input and load conditions. This architecture allows the device to provide regulated outputs with low-to-moderate loads. Additionally, the NCP1835MN24T2G provides programmable adaptive frequency control and cycle-by-cycle current limiting, which allows the user to adjust the output frequency based on dynamic load conditions. By selecting the appropriate settings, the device can provide a stable output voltage with very low quiescent current.

The NCP1835MN24T2G is a pulse-width modulation (PWM) device that produces regulated outputs with very low EMI for battery charging applications. It provides a wide input voltage range, from 2.3V to 24V, and a wide output voltage range, from 0.6V to 5.5V. The NCP1835MN24T2G offers a wide range of features, including programmable frequency, current limit, and soft start functions, which are designed to improve system performance and reliability. The device also features advanced protection features and built-in fault latches for over current, output over voltage, and die temperature protection.

Conclusion

Overall, the NCP1835MN24T2G is a high performance DC/DC buck converter with low quiescent current and low noise, making it an ideal choice for a variety of applications such as powering personal electronic devices, battery charging, and low noise POS and peripherals. The device integrates both a high efficiency boost converter and a low dropout linear regulator, and provides a wide range of features, including programmable frequency, current limit, and soft start functions that are designed to improve system performance and reliability.

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