TPS7A8033DRBR - Texas Instruments

Manufacturer Part Number

TPS7A8033DRBR

Manufacturer

Texas Instruments

Introduction

The TPS7A8033DRBR is a low-dropout linear regulator designed for power-sensitive applications, featuring superior dropout performance for lower voltage applications.

Product Features and Performance

Low dropout voltage of 0.5V at 1A load

Fixed output voltage of 3.3V

High PSRR of 48dB at 100Hz to 38dB at 1MHz

Low quiescent current of 120µA

Thermal shutdown protection

Current limit and overcurrent protection

Reverse polarity protection

Under Voltage Lockout (UVLO)

Enable control feature for power sequencing

Product Advantages

Optimal for battery-powered devices due to low quiescent current

Enhanced thermal performance with the exposed pad package

Highly stable output with minimal external components

Robust protection features for reliable operation under abnormal conditions

Key Technical Parameters

Input Voltage (Max): 6.5V

Output Voltage (Min/Fixed): 3.3V

Current - Output: 1A

Voltage Dropout (Max): 0.5V at 1A

Quiescent Current (Iq): 120µA

Supply Current (Max): 350µA

Power Supply Rejection Ratio (PSRR): 48dB ~ 38dB (100Hz ~ 1MHz)

Quality and Safety Features

Over temperature protection

Under Voltage Lockout (UVLO)

Reverse polarity protection

Current limit and overcurrent protection

Compatibility

Compatible with a wide variety of capacitive loads

Flexible in various applications due to its fixed voltage option

Application Areas

Battery-powered devices

Portable electronics

Power management for microprocessors and microcontrollers

Telecommunications equipment

Industrial controls

Product Lifecycle

Status: Active

Not nearing discontinuation, replacements or upgrades currently not required

Several Key Reasons to Choose This Product

Robust protection features ensure longevity and durability of the product

Low dropout performance suitable for applications with limited input-output voltage differential

High PSRR ensures regulated output against supply noise, beneficial for sensitive electronics

Low quiescent current allows for efficient use in battery-powered applications

Operating temperature range from -40°C to 125°C enables usage in various environmental conditions

Surface mount package facilitates easy integration into PCB design and mass production