TPS79933QDDCRQ1 - Texas Instruments

Manufacturer Part Number

TPS79933QDDCRQ1

Manufacturer

Texas Instruments

Introduction

Automotive grade low-dropout linear regulator with fixed 3.3V output and enable control.

Product Features and Performance

Single channel LDO voltage regulator

Fixed output voltage of 3.3V

Maximum input voltage of 6.5V

Low dropout voltage of 0.16V at 200mA load

Output current capacity of 200mA

Low quiescent current of 60µA

Excellent power supply rejection ratio (PSRR) of 70dB at 100Hz

Enable pin for on/off control

Product Advantages

High PSRR in a small form factor

Low quiescent current extending battery life

Thermal and overcurrent protection for safety and reliability

Automotive qualification AEC-Q100 for robust automotive applications

Wide operating temperature range suitable for harsh environments

Reverse polarity and under voltage lockout features

Key Technical Parameters

Voltage - Input (Max): 6.5V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 200mA

Current - Quiescent (Iq): 60µA

PSRR: 70dB ~ 38dB across 100Hz to 100kHz

Operating Temperature: -40°C to 125°C

Grade: Automotive

Quality and Safety Features

AEC-Q100 qualified

Over Current, Over Temperature, Reverse Polarity, UVLO protection

Compatibility

Surface mount compatible

Housed in SOT-23-5 Thin, TSOT-23-5 package

Suitable for automotive and standard industrial designs

Application Areas

Automotive electronics

Battery-powered devices

Microcontroller power supplies

Portable and wireless equipment

Product Lifecycle

Active product status with no indication of nearing discontinuation

Replacements or upgrades might be available as newer generations are developed

Several Key Reasons to Choose This Product

Designed for automotive and industrial applications requiring longevity and reliability

Low dropout aids in maintaining a stable output even with a low input voltage difference

Energy-efficient for battery-sensitive applications

The small footprint and surface mount package enable use in space-constrained applications

Comprehensive protection features enhance the durability of the end application

AEC-Q100 certification ensures operation under strict automotive standards