TPS77533QPWPRQ1 - Texas Instruments

Manufacturer Part Number

TPS77533QPWPRQ1

Manufacturer

Texas Instruments

Introduction

The TPS77533QPWPRQ1 is a low-dropout (LDO) linear voltage regulator designed for automotive applications, providing a fixed output voltage of 3.3V.

Product Features and Performance

Low dropout voltage: 0.29V at 500mA load

Output current: 500mA

Output voltage: Fixed at 3.3V

Power supply rejection ratio (PSRR): 60dB at 100Hz

Control features include enable and reset functions

Protection features include over current, over temperature, and reverse polarity protections

Product Advantages

High reliability suitable for automotive applications

Low quiescent current of 125µA conserves energy

Features robust protection mechanisms

Key Technical Parameters

Voltage Input (Max): 10V

Voltage Output (Min/Fixed): 3.3V

Current Output: 500mA

Voltage Dropout (Max): 0.29V

PSRR: 60dB (100Hz)

Current Quiescent (Iq): 125 µA

Quality and Safety Features

Overcurrent and over temperature protections

Reverse polarity protection

AEC-Q100 qualified for automotive applications

Compatibility

Surface Mount mounting type compatible with automated PCB assembly processes

Package / Case: 20-PowerTSSOP

Application Areas

Automotive electronics

Embedded systems requiring stable 3.3V power supply

Product Lifecycle

Status: Active

Not nearing discontinuation and replacements or upgrades currently not required

Several Key Reasons to Choose This Product

Specifically designed for demanding automotive environments

Low dropout voltage enables efficient operation even with low input voltages

High PSRR ensures stable output despite variations in input voltage

Comprehensive protection features safeguard the device and connected components from various electrical hazards

Energy-efficient with low quiescent current minimizing power drain when idle