TPS79318DBVRG4Q1 - Texas Instruments

Manufacturer Part Number

TPS79318DBVRG4Q1

Manufacturer

Texas Instruments

Introduction

The TPS79318DBVRG4Q1 is a linear voltage regulator designed for automotive applications, providing a fixed output of 1.8V with a supply voltage up to 5.5V.

Product Features and Performance

Low dropout LDO regulator

200mA output current

Positive output configuration

Fixed 1.8V output

High PSRR of 70dB at 100Hz and 43dB at 100kHz

Single regulator integration

Low quiescent current of 220µA

Enable pin for power-saving mode

Product Advantages

Highly stable output voltage

Low power consumption

Suitable for noise-sensitive applications due to high PSRR

Robust protection features for automotive reliability

Small package ideal for space-constrained applications

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 1.8V

Output Current: 200mA

Control Features: Enable

Protection Features: Over Current, Over Temperature, Reverse Polarity, UVLO

Operating Temperature: -40°C to 125°C

Qualification: AEC-Q100

Quality and Safety Features

Automotive-grade product

AEC-Q100 qualification

Built-in Over Temperature protection

Reverse Polarity protection

Under Voltage Lockout protection

Compatibility

Compatible with a broad range of automotive circuits requiring a stable 1.8V supply

Surface mount compatible (SOT-23-5 package)

Application Areas

Automotive power management

Infotainment systems

Telematics

Automotive sensor modules

Power supplies for microprocessors

Product Lifecycle

Last Time Buy status

Alternative products or upgrades should be considered for new designs

Reasons to Choose This Product

Meets stringent automotive industry standards (AEC-Q100)

Optimized for low-power consumption and minimal dropout

High reliability with comprehensive protection features

High PSRR ideal for sensitive applications

Operating temperature range suitable for automotive environments

Compact surface-mount form factor for efficient space usage