TPS7A03185PDQNR - Texas Instruments

Manufacturer Part Number

TPS7A03185PDQNR

Manufacturer

Texas Instruments

Introduction

The TPS7A03185PDQNR is a low-dropout linear regulator designed for power management, particularly in applications requiring a fixed 1.8V output with a maximum input of 6V. It is a robust solution packaged for surface mounting.

Product Features and Performance

Fixed output linear regulator

LDO (Low Drop Out) suitable for lower voltage differences between input and output

Positive output configuration

Maximum output current of 200mA

Voltage Dropout at max 0.45V @ 200mA

Excellent ripple rejection of 55dB at 1kHz

Product Advantages

Ultra-low quiescent current of 300 nA contributing to energy efficiency

High PSRR suitable for noise-sensitive applications

Protection features including Over Current, Over Temperature, and UVLO (Under Voltage Lockout)

Key Technical Parameters

Voltage Input (Max): 6V

Voltage Output (Min/Fixed): 1.8V

Current Output: 200mA

Voltage Dropout (Max): 0.45V @ 200mA

Current Quiescent (Iq): 300 nA

PSRR: 55dB (1kHz)

Quality and Safety Features

Over Current protection

Over Temperature protection

Under Voltage Lockout (UVLO)

Compatibility

Compatible with applications requiring up to 6V input and a fixed 1.8V output

Surface Mount compatible with 4-XDFN Exposed Pad

Application Areas

Portable and battery-powered devices

IoT devices

Medical devices

Precision instrumentation

Product Lifecycle

Active product status

Not nearing discontinuation

Long-term availability expected

Several Key Reasons to Choose This Product

High efficiency due to low quiescent current and dropout voltage

Excellent line and load regulation preserves device integrity under varying operational conditions

Comprehensive protection features enhance product reliability and safety

Suitable for compact designs due to small package size

Versatile across multiple applications due to thermal and electrical characteristics