TPS75003RHLT

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The TPS75003RHLT is a step-down integrated switch-mode voltage regulator with both integrated high-side and low-side MOSFETs optimized for lower frequency, higher current applications. It helps reduce thermal stress on the system while using an efficient, high performance, and cost effective design. With an integrated differential amplifier and wide hysteresis bandwidth and easy setting of output voltage, the TPS75003RHLT is suitable for various applications.

The TPS75003RHLT is most commonly used in power management and specialized applications such as automotive, communications, data processing, industrial, and medical systems. The main purpose of this IC is to enable the system to convert the input voltage to a regulated output voltage with improved efficiency and a maximum current of up to 4A. By reducing the output voltage to a suitable level, the IC helps save energy and at the same time maintain the desired functionality of the system. The TPS75003RHLT provides integrated protection functions such as overvoltage, undervoltage, over temperature, and current limit protections.

The working principle of the TPS75003RHLT is based on peak current-mode control, with a voltage reference and internal error amplifier that allow the user to accurately set the output voltage. It is able to provide the output voltage with small ripple and high regulation. The TPS75003RHLT features internal MOSFETs with RDS(on) optimized for low frequency, higher current applications and low quiescent current for energy saving. The IC also has a very low dropout voltage of 150 mV for higher efficiency. It can operate up to 2 MHz with a wide input voltage range from 2.5V to 6V.

The TPS75003RHLT has various programmable features such as a controlled current limit, soft start, shutdown mode, adjustable output voltage, and external compensation. It also has an over current protection (OCP) to protect the load from an over-current condition. The IC also comes with an active high enable input for low quiescent current when in shutdown mode.

In summary, the TPS75003RHLT is a robust, low-cost solution that allows high-efficiency, high-performance power regulation and management. The integrated switch-mode voltage regulator is optimized for lower frequency, higher current applications and helps reduces thermal stress on the system. With wide hysteresis bandwidth, adjustable output voltage, a low dropout voltage and additional programmable features, the IC is suitable for automotive, communications, data processing, industrial, and medical systems.

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