LP3470IM5-4.8/NOPB

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Introduction

LP3470IM5-4.8/NOPB is a low-power and high-accuracy microprocessor supervisor designed to monitor the power supply in systems where reliability and accuracy are essential. It features several features that help a system maintain a stable power supply and prevent unexpected power failure. It has a low-power standby current and a wide regulation range of 4.75 to 5.25V. This application note will explain the application field and working principle of LP3470IM5-4.8/NOPB.

Application field

LP3470IM5-4.8/NOPB is an ideal microprocessor supervisor for low-power applications such as handheld and battery-powered computing systems. Its low-power standby current and wide voltage range of 4.75 to 5.25V enables it to be used in a diverse range of systems. It can be effectively used in systems that use both non-volatile and volatile memory. Additionally, its long-term reliability and accuracy enable it to be used for long-term monitoring of power supplies.

LP3470IM5-4.8/NOPB can be used in a wide variety of systems such as embedded controllers, digital audio systems, industrial and automotive control systems, data converters, telecom systems, and handheld electronic devices. Its ability to accurately monitor input voltages and output them into a reliable supply makes it a great choice for a wide range of applications.

Working Principle

The LP3470IM5-4.8/NOPB is designed to detect supply voltage below a predetermined threshold and asserts a reset signal when it does so. This reset signal can reference a system’s microprocessor or logic, causing it to enter into a safe state and preventing malfunction. The supervisor also adjusts its reset thresholds handling any line and load variations ensuring the reset signals are always accurate.

The LP3470IM5-4.8/NOPB is equipped with an adjustable output voltage and current limit for maximum flexibility. The adjustable limits provide a wide range of voltage accuracy and current protection ranging from 0.5% to 2.5%. This helps the supervisor maintain stable power levels in the face of line, load, or temperature variations.

LP3470IM5-4.8/NOPB offers protection against both undervoltage and brown-out events. The supervisor monitors the supply voltage, continuously evaluating its levels and applying appropriate reset thresholds. This ensures accurate reset signals in order to protect against unanticipated power failures.

In order to maximize its efficiency, the LP3470IM5-4.8/NOPB features a low-power standby current which helps reduce system power consumption. The adjustable output voltage and current limit also contribute to power efficiency, providing additional control over power supply levels. These features in combination make LP3470IM5-4.8/NOPB one of the most efficient microprocessor supervisors available.

Conclusion

LP3470IM5-4.8/NOPB is a low-power and high-accuracy microprocessor supervisor designed to monitor the power supply in systems where reliability and accuracy are essential. It features several features that help a system maintain a stable power supply and prevent unexpected power failure. With its low-power standby current and wide voltage range, it is an ideal choice for low-power applications such as handheld and battery-powered computing systems. Additionally, its adjustable output voltage and current limit provide wide range of voltage accuracy and current protection, ensuring the reset signals are always accurate. Thus the LP3470IM5-4.8/NOPB is an excellent choice for reliable power supply monitoring.

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