TPS7A4533KTTR - Texas Instruments

Manufacturer Part Number

TPS7A4533KTTR

Manufacturer

Texas Instruments

Introduction

The TPS7A4533KTTR is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications requiring a high level of voltage regulation and power management.

Product Features and Performance

LDO Regulator with fixed 3.3V output

Positive output configuration

Single regulator integration

Maximum input voltage of 20V

Low dropout voltage of 0.45V at 1.5A load

Output current capacity of 1.5A

Quiescent current of 1.5 mA

Supply current max of 90 mA

Power supply rejection ratio (PSRR) of 68dB at 120Hz

Control features include an Enable function

Product Advantages

High output voltage accuracy

Low power consumption with reduced quiescent current

Stable operation with low dropout voltage

Excellent transient response

Built-in protection features increase system reliability

Key Technical Parameters

Input Voltage (Max): 20V

Output Voltage (Min/Fixed): 3.3V

Dropout Voltage (Max): 0.45V @ 1.5A

Output Current: 1.5A

Quiescent Current (Iq): 1.5 mA

Supply Current (Max): 90 mA

PSRR: 68dB (120Hz)

Quality and Safety Features

Protection against overcurrent and over-temperature conditions

Reverse polarity protection

Compatibility

Industry-standard TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package for surface mounting

Application Areas

Consumer electronics

Telecommunications

Networking systems

Portable and battery-powered devices

Product Lifecycle

Status: Active

Not nearing discontinuation at the time of knowledge cutoff

Replacements or upgrades may be available; consult the manufacturer's product roadmap

Several Key Reasons to Choose This Product

Robust thermal performance suitable for high-temperature applications (-40°C ~ 125°C operating range)

High reliability with built-in protection features

Low quiescent current for power-sensitive applications

Suitable for a wide range of electronic devices due to its wide input voltage range and fixed output

Ease of integration with small footprint surface mount packaging