TPS75633

series introduction

# TPS75633 Product Series Introduction

## Overview
The TPS75633 is a highly regarded and widely used product series within the realm of power management integrated circuits (PMICs). Developed by Texas Instruments, a global leader in semiconductor technology, the TPS75633 series is designed to provide stable and efficient power solutions for a diverse range of electronic applications.

## Key Features

### High - Precision Voltage Regulation
One of the standout features of the TPS75633 series is its ability to deliver highly accurate output voltage regulation. It is capable of providing a fixed output voltage of 3.3V with a very low tolerance. This precision is crucial in applications where sensitive electronic components require a stable power supply to function optimally. For example, in microcontroller - based systems, a stable 3.3V supply ensures that the microcontroller operates within its specified voltage range, preventing issues such as data corruption or system malfunctions.

### Low Dropout Voltage
The TPS75633 exhibits a low dropout voltage characteristic. Dropout voltage is the minimum voltage difference between the input and output voltages required for the regulator to maintain a stable output. A low dropout voltage means that the regulator can operate efficiently even when the input voltage is only slightly higher than the output voltage. This is particularly beneficial in battery - powered applications, where the battery voltage gradually decreases over time. With a low dropout voltage, the TPS75633 can continue to provide a stable 3.3V output for a longer period, maximizing the battery's useful life.

### Low Quiescent Current
Quiescent current refers to the current consumed by the regulator when there is no load or a very light load connected. The TPS75633 series has a low quiescent current, which is an important feature for power - sensitive applications. In battery - operated devices such as wearable electronics or wireless sensors, minimizing the quiescent current helps to conserve battery power and extend the device's operating time between charges.

### Thermal Protection
To ensure the reliability and longevity of the device, the TPS75633 is equipped with thermal protection circuitry. When the device's temperature exceeds a certain threshold due to excessive power dissipation or high ambient temperature, the thermal protection mechanism kicks in and reduces the output current or shuts down the regulator temporarily. This prevents the device from overheating and potentially getting damaged, safeguarding both the TPS75633 and the connected electronic components.

### Short - Circuit Protection
The series also includes short - circuit protection. In the event of a short - circuit at the output, the TPS75633 limits the output current to a safe level, preventing excessive current flow that could damage the regulator and other components in the circuit. This protection feature enhances the overall robustness of the power supply system.

## Applications

### Consumer Electronics
In consumer electronics, the TPS75633 finds widespread use. For instance, in smartphones and tablets, it can be used to power various subsystems such as the display driver, audio codec, and camera module. Its high - precision voltage regulation ensures that these components receive a stable power supply, resulting in high - quality performance and reliable operation. In portable media players, the low quiescent current and low dropout voltage features make it an ideal choice for maximizing battery life.

### Industrial Automation
Industrial automation systems often require stable and reliable power supplies for their control and monitoring circuits. The TPS75633 can be used to power microcontrollers, sensors, and communication interfaces in industrial control panels, programmable logic controllers (PLCs), and robotic systems. Its thermal and short - circuit protection features make it suitable for the harsh operating environments typically found in industrial settings.

### Automotive Electronics
In the automotive industry, the TPS756

Images for reference

TO-220-5 (Straight Leads)_4040208^C

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Datasheets

• TPS756xx
• TPS756xx
• PDF 3

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