TPS73533DRVR - Texas Instruments

Manufacturer Part Number

TPS73533DRVR

Manufacturer

Texas Instruments

Introduction

The TPS73533DRVR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, providing a fixed output voltage of 3.3V from an input up to 6.5V, with a maximum output current of 500mA.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed at 3.3V

Number of Regulators: 1

Voltage Input (Max): 6.5V

Voltage Dropout (Max): 0.5V @ 500mA load

Current Output: 500mA

Current Quiescent (Iq): 65 µA

Power Supply Rejection Ratio (PSRR): 66dB ~ 22dB across 100Hz to 100kHz

Control Features: Enable for low power consumption

Protection Features: Over-current, Over-temperature, Reverse Polarity, Under Voltage Lockout (UVLO)

Operating Temperature: -40°C to 125°C

Product Advantages

High PSRR ensuring stable output voltage under varying input conditions

Low quiescent current for power-sensitive applications

Comprehensive protection enhances reliability

Enable feature for additional power-saving

Key Technical Parameters

Max Input Voltage: 6.5V

Fixed Output Voltage: 3.3V

Max Output Current: 500mA

Dropout Voltage: 0.5V @ 500mA

Quiescent Current: 65 µA

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

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

Built-in over-current and over-temperature protection for safe operation

Reverse polarity protection prevents damage from incorrect power connections

UVLO feature guards against undervoltage conditions

Compatibility

Compatible with a wide range of applications requiring a 3.3V supply

Surface Mount (SMD) package for modern PCB assembly techniques

Application Areas

IoT devices

Battery-powered equipment

Portable medical devices

Wearable technology

Industrial controls

Product Lifecycle

Status: Active

Not reported as nearing discontinuation, ensuring long-term availability

Texas Instruments typically supports product replacement or upgrades if needed

Several Key Reasons to Choose This Product

High reliability and performance for power-sensitive applications

Low dropout and quiescent current improve efficiency

Extensive protection features enhance system safety

Operational across a wide temperature range, suitable for harsh environments

Texas Instruments' reputation for support and long-term availability