Manufacturer Part Number

TPS7A2525DRVR

Description

This is a low-dropout (LDO) linear voltage regulator IC from Texas Instruments. It has a fixed output voltage of 2.5V, delivers up to 300mA output current, and comes in a small 6-WSON (2x2 mm) surface-mount package. Ideal for space-sensitive designs, it provides a stable output with low quiescent current. The device features enable and power-good functions, making it easy to monitor and control the power supply.

Specifications

Input Voltage: Max 18V

Output Voltage: Fixed 2.5V

Output Current: Up to 300mA

Dropout Voltage (Max): 0.21V at 300mA

Quiescent Current: 4.5 µA

PSRR (Power Supply Rejection Ratio): 75dB at 10Hz, 52dB at 1kHz

Control Features: Enable, Power Good

Protection: Over-Current, Over-Temperature

Operating Temperature Range: -40°C to +125°C (TJ)

Mounting Type: Surface Mount

Package: 6-WDFN Exposed Pad; 6-WSON (2x2mm)

Moisture Sensitivity Level (MSL): 1 (Unlimited)

RoHS3 Compliant, REACH Unaffected

Device Structure

One-channel positive fixed linear regulator

Surface-mount 6-WSON package with exposed pad for better thermal dissipation

Compact 2mm x 2mm design for high-density PCB layouts

Performance Characteristics

Very low dropout voltage, enabling stable output even with low input-to-output voltage difference

Very low quiescent current (4.5 µA) for high energy efficiency, suitable for battery-powered devices

High power supply rejection ratio (PSRR) for clean and stable voltage output

Integrated enable and power-good signals for better system control

Built-in short-circuit (overcurrent) and thermal protection for reliable operation

Application Environments

Used in portable devices, wireless equipment, sensor modules, and other systems requiring tight voltage regulation with low noise

Common for microcontrollers, analog circuits, RF applications, IoT devices, test and measurement systems

Suitable for consumer, industrial, medical, and communications equipment where space, efficiency, and low noise are critical

Selection Guidelines

Choose this regulator if you need:

– Fixed 2.5V output supplying up to 300mA

– Low dropout, low quiescent current

– Reliable protection features (OCP, OTP)

– Good PSRR and compact package

Ensure your input voltage does not exceed 18V

Verify thermal design supports maximum operating temperature

Check PCB layout and footprint compatibility with 6-WSON (2x2)

Usage Considerations

Provide appropriate input and output capacitors as recommended in the datasheet to ensure stable operation

Allow for proper PCB thermal management using the exposed pad

Avoid exceeding the absolute maximum ratings (voltage, current, temperature)

Use the enable and power-good features for efficient power management in your circuit

Ensure compliance with handling moisture-sensitive parts (MSL 1 is unrestricted)

Potential Equivalent/Replacement Models

Texas Instruments offers similar fixed output LDOs in the TPS7A25, TPS7A26, and TPS7A20 series, but output voltage, current, and features may differ.

Comparable alternatives may include:

TPS7A2525PDRVR (possible pin-to-pin, varying specs or output options)

Analog Devices ADP7142-2.5V (pin-compatible, different protection features or specs)

Microchip MIC5365-2.5YC5-TR (similar output, small package, varying features)

ON Semiconductor NCP4681DSQ25T1G (LDO, low output current, output voltage: 2.5V)

If none of the above meet your needs or you require drop-in compatibility, please contact the Ariat-Tech sales team for the most current and suitable replacement options or stocking information.

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