LV5693P-E

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Introduction

LV5693P-E is a low-cost, low-noise, high-efficiency linear voltage regulator designed for use in industrial, automotive and consumer applications. As a fully-integrated power management IC, it features advanced features such as pulse-width modulation (PWM) cooling and over-temperature protection, and offers an adjustable output voltage range of between 0.9V and 24V. This makes it an ideal choice for applications that require an efficient, low-noise and reliable power solution.

Application Field

Due to its advanced features and high efficiency, the LV5693P-E is well suited for high-power applications such as electric vehicles and industrial systems. Its output voltage is adjustable with a range of between 0.9V and 24V, which makes it suitable for a wide range of motor control, lighting and audio applications, as well as for powering specialized medical devices. It can also be used for back-up and system power applications, where its low-noise operation and high efficiency are essential.

The LV5693P-E is compliant with industry standards such as the Automotive Electronics Council (AEC) and meets the demanding requirements of automotive and industrial systems. It is built to handle operating temperatures ranging from -40°C to +105°C, and is tested and certified to EMC and safety standards, making it an ideal choice for both on- and off-highway applications.

Working Principle

The LV5693P-E is a low-dropout linear voltage regulator, which means it provides a regulated output voltage with a very low dropout voltage. This type of regulator works by using a feedback loop to adjust the output voltage according to a reference voltage. The feedback loop consists of an operational amplifier followed by a voltage divider connected to the output voltage. When the output voltage deviates from the target voltage, the operational amplifier triggers an adjustment of the output current to compensate, thus restoring the desired output voltage.

The LV5693P-E also features a Pulse Width Modulation (PWM) cooling mode which is designed to optimize its thermal performance. The PWM cooling mode consists of a current-mode control circuit that regulates the switching frequency of the internal MOSFET. This ensures that the temperature of the IC does not exceed a predetermined limit, thus minimizing the power dissipation and allowing for the maximum operating efficiency.

Conclusion

LV5693P-E is a low-cost, low-noise and high-efficiency linear voltage regulator suitable for a wide range of high-power applications. It has an adjustable output voltage range of between 0.9V and 24V and features Pulse Width Modulation cooling and over-temperature protection. This makes it an ideal choice for industrial, automotive, consumer and medical applications.

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