TPS79318DBVRG4Q1 Integrated Circuits (ICs)

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TPS79318DBVRG4Q1 is a linear voltage regulator developed by Texas Instruments. It is a low-noise, wide input rule with a wide output range, making it suitable for a variety of applications. The typical applications are in automotive, wiring, home appliances, server, industrial, and communications.

Introduction

TPS79318DBVRG4Q1 is a cost-effective linear voltage regulator that offers low-noise, wide input voltage range and wide output voltage range. It is designed to achieve up to 20% reduction in system noise and power consumption in demanding applications.

The TPS79318DBVRG4Q1 operates over an input voltage range of 3.5V to 15V and produces an output voltage range of adjustable voltage 0.8V to 13V. The device has a low quiescent current of 12µA, allowing it to be used for space- and energy-constrained systems. It also features adjustable output current limited of up to 2A and temperature compensation for higher output accuracy.

Features

TPS79318DBVRG4Q1 linear voltage regulator offers the following features:

• Low-noise performance of 15 mV RMS (1.2 MHz bandwidth) with input voltage of 10V and 10 µF output capacitance
• Wide input voltage range of 3.5V to 15V
• Wide output voltage range of 0.8V to 13V
• Low quiescent current of 12µA
• Output current limit up to 2A
• Temperature compensation for improved output accuracy
• Selectable output current limit slew rate
• High/low power mode enables improved efficiency/noise performance

Working Principle

The TPS79318DBVRG4Q1 linear voltage regulator uses a voltage reference, an error amplifier, an output switch, and a power switch. It compares the output voltage to the reference voltage and adjusts the output switching duty cycle accordingly. The device’s dual loop control circuitry enables it to maintain a constant output voltage over variations in output current and temperature.

The variable low current limit feature enables the user to reduce the device’s output current limit between 0.2A and 2A. The device will \ automatically switch to high/low power mode in response to changes in output current. This feature enables the user to achieve improved accuracy and efficiency in their application.

Applications

The TPS79318DBVRG4Q1 is suitable for a wide range of applications, including automotive, wiring, home appliances, server, industrial, and communications. It is ideal for voltage regulation in space- and energy-constrained systems, such as automotive and industrial systems. It can also be used in applications requiring low-noise performance, such as active filter circuits and broadcast systems. The device’s low quiescent current and low noise performance make it ideal for low power applications.

Conclusion

The TPS79318DBVRG4Q1 is a low-noise, wide input voltage range regulator with wide output voltage range. It features adjustable output current limited of up to 2A and temperature compensation for higher output accuracy. The device eliminates the need for external components, saving cost and space. Its low quiescent current of 12µA and power saving features make it suitable for a variety of space- and energy-constrained applications.

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