TPS70451PWPR - Texas Instruments

Manufacturer Part Number

TPS70451PWPR

Manufacturer

Texas Instruments

Introduction

Low Dropout Regulator for Power Management Applications

Product Features and Performance

Dual Output Voltages: 3.3V and 1.8V

Maximum Current Output: 1A and 2A

Low Dropout Voltage: 0.25V at 1A

High PSRR: 65dB at 1kHz for 3.3V and 60dB at 1kHz for 1.8V

Quiescent Current: 250 µA

Control Features: Enable, Power Good, Reset, Sequencing

Product Advantages

Efficient Power Conversion with Low Quiescent Current

Dual-Channel Output for Versatile Applications

Advanced Control Features for Enhanced Stability

High PSRR for Better Noise Performance

Key Technical Parameters

Input Voltage (Max): 6V

Output Voltage (Fixed): 3.3V, 1.8V

Output Current: 1A for 3.3V, 2A for 1.8V

Dropout Voltage (Max): 0.25V @ 1A

Quiescent Current (Iq): 250 µA

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Under Voltage Lockout (UVLO)

Compatibility

Surface Mount Compatible

Compatible with 24-PowerTSSOP (0.173", 4.40mm Width) Packaging

Application Areas

Telecommunication

Computing Systems

Consumer Electronics

Power Supply Modules

Product Lifecycle

Active Status

Not Nearing Discontinuation

Availability of Replacements or Upgrades

Several Key Reasons to Choose This Product

Dual Independent Outputs for Multiple Supply Rails

Low Dropout Voltage for Improved Efficiency

High Power Supply Rejection Ratio for Noise Sensitive Applications

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

Comprehensive Protection Features Ensuring System Safety

Long-Term Availability and Support from Texas Instruments