TPS73533DRVT - Texas Instruments

Manufacturer Part Number

TPS73533DRVT

Manufacturer

Texas Instruments

Introduction

A low dropout regulator designed for powering sensitive applications, offering low quiescent current and high PSRR.

Product Features and Performance

Low dropout voltage of 0.5V at 500mA load

Quiescent current of 65 µA, optimizing power usage in standby modes

PSRR of 66dB to 22dB from 100Hz to 100kHz, ensuring stable output across a range of frequencies

Enable feature for power-saving mode

Fixed output voltage of 3.3V supports common logic levels

Positive output configuration for straightforward design implementations

Product Advantages

High power supply rejection ratio enhances stability in fluctuating inputs

Low power consumption at light loads with 65 µA quiescent current

Comprehensive protection features for longer device reliability

Suitable for battery-powered applications due to low dropout

Easy to use with enable feature for direct power management

Key Technical Parameters

Voltage Input (Max): 6.5V

Voltage Output (Min/Fixed): 3.3V

Current Output: 500mA

Current Quiescent (Iq): 65 µA

PSRR: 66dB ~ 22dB (100Hz ~ 100kHz)

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

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Overcurrent protection safeguards against excessive currents

Overtemperature protection ensures safe operation in high-temperature conditions

Reverse polarity protection prevents damage from incorrect power connections

Under voltage lockout (UVLO) for enhanced safety in low voltage conditions

Compatibility

Surface mount 6-WDFN Exposed Pad package for space-efficient PCB designs

Compatible with a broad range of applications due to its fixed voltage and low dropout

Application Areas

Sensitive analog circuits

Battery-powered devices

Portable and handheld electronics

Microcontroller power supply

IoT devices

Product Lifecycle

Active; assured availability and support for products in development or long-term designs.

Several Key Reasons to Choose This Product

High PSRR ensures stable output voltage under varying input conditions

Low quiescent current extends battery life in portable applications

Comprehensive thermal and current protection features for increased longevity and reliability

The enable control feature allows for greater power management flexibility

The product is actively supported by Texas Instruments, ensuring reliable supply and technical assistance.