TPS71257DRCR - Texas Instruments

Manufacturer Part Number

TPS71257DRCR

Manufacturer

Texas Instruments

Introduction

The TPS71257DRCR is a Power Management Integrated Circuit (PMIC) focused on providing efficient linear voltage regulation.

Product Features and Performance

Dual LDO Regulators

Low Dropout Voltage: 0.4V at 500mA

Power Supply Rejection Ratio (PSRR): 59dB to 54dB at 120Hz

Enable and Power Good Control Features

Over Temperature and Reverse Polarity Protection

Under Voltage Lockout (UVLO) for Safety

Operational from -40°C to 125°C

Product Advantages

High PSRR for stable output

Low Iq increases the efficiency for battery-operated devices

Multiple built-in protection features enhance device safety and longevity

Key Technical Parameters

Number of Regulators: 2

Voltage - Input (Max): 5.5V

Voltage - Output (Min/Fixed): 2.85V

Current - Output: 250mA

Current - Quiescent (Iq): 250 µA

Current - Supply (Max): 600 µA

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Under Voltage Lockout (UVLO)

Compatibility

The device comes in a surface mount 10-VSON (3x3) package, compatible with automated PCB assembly.

Application Areas

Portable Electronics

Battery-Powered Equipment

Telecommunication Systems

Consumer Electronics

Product Lifecycle

The product status is Active, not indicating near discontinuation. Details on replacements or upgrades should be checked with Texas Instruments for the most current information.

Several Key Reasons to Choose This Product

Two LDOs offered in a compact package, saving board space

Low dropout enables operation in low-headroom applications

Multiple control and protection features ensure reliable and continuous operation

Suitable for a wide range of operating temperatures, giving design flexibility for various environments

High PSRR offers clean and stable voltage for sensitive electronic circuits