TPS73733QDRBRQ1 - Texas Instruments

Manufacturer Part Number

TPS73733QDRBRQ1

Manufacturer

Texas Instruments

Introduction

The TPS73733QDRBRQ1 is a low-dropout (LDO) linear regulator optimized for managing voltage in automotive applications, ensuring reliable power supply with minimum power loss.

Product Features and Performance

Fixed voltage output of 3.3V

High output current capability of 1A

Supports input voltage up to 5.5V

Low dropout voltage of 0.5V at 1A load

High power supply rejection ratio (PSRR) between 58dB and 37dB from 100Hz to 10kHz

Integrated enable control feature

Incorporates protection against over-current, over-temperature, and reverse polarity

Product Advantages

Provides stable and precise voltage regulation

Suitable for noise-sensitive applications due to high PSRR

Minimal quiescent current of 400 µA enhances power efficiency

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 3.3V

Current Output: 1A

Voltage Dropout (Max): 0.5V @ 1A

Current Quiescent (Iq): 400 µA

PSRR: 58dB ~ 37dB (100Hz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

AEC-Q100 qualification for automotive standards

Protects against adverse conditions with over-current and over-temperature safety features

Compatibility

Compatible with surface mount technology for easy PCB integration

Application Areas

Automotive power management systems

Power supplies for sensitive electronics

Other applications requiring reliable and efficient voltage regulation

Product Lifecycle

Current product status is active

Not nearing discontinuation

Several Key Reasons to Choose This Product

High reliability ideal for automotive and sensitive electronics applications

Efficient power consumption with low quiescent current

Robust safety features complying with automotive industry standards

High performance with low dropout voltage and high PSRR for stable operation