TPS79801QDGNRQ1 - Texas Instruments

Manufacturer Part Number

TPS79801QDGNRQ1

Manufacturer

Texas Instruments

Introduction

Low Dropout Regulator designed for automotive and industrial applications

Product Features and Performance

Adjustable output voltage from 1.275V to 28V

Low dropout voltage of 0.55V at 50mA load

Output current capability of 50mA

Quiescent current of 80 µA

High PSRR of 65dB at 120Hz

Enable pin for on/off control

Product Advantages

Extended input voltage range up to 50V

Over Current and Over Temperature protection for safety

Reverse Polarity protection prevents damage from incorrect power connections

High reliability suitable for harsh environments

Key Technical Parameters

Input Voltage (Max): 50V

Output Voltage (Min/Fixed): 1.275V

Output Voltage (Max): 28V

Voltage Dropout (Max): 0.55V @ 50mA

Output Current: 50mA

Quiescent Current (Iq): 80 µA

Supply Current (Max): 3.3 mA

Power Supply Rejection Ratio (PSRR): 65dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

AEC-Q100 Automotive qualification

Compatibility

Surface Mount compatible

Packaged in 8-TSSOP and 8-HVSSOP with exposed pad

Application Areas

Automotive systems

Industrial power supplies

Electronic control units

Power management for sensors and MCUs

Product Lifecycle

Active product status

Not nearing discontinuation

Availability of replacements or upgrades

Reasons to Choose This Product

Wide input voltage range up to 50V suitable for automotive environments

Low quiescent current for energy-sensitive applications

Robust protection features enhance product reliability

Automotive-grade quality ensures performance under stringent conditions

High PSRR improves output voltage stability against input noise

Capability to supply a consistent 50mA output suitable for small-load circuits