LT1761IS5-3#TRMPBF - Analog Devices Inc.

Manufacturer Part Number

LT1761IS5-3#TRMPBF

Manufacturer

Analog Devices

Introduction

The LT1761IS5-3#TRMPBF is a high-performance, low-dropout linear regulator (LDO) designed for powering sensitive circuits. The device offers low noise, high power supply rejection ratio (PSRR), and low quiescent current, making it suitable for battery-operated devices.

Product Features and Performance

Positive output configuration with fixed 3V output

Low dropout voltage: 0.45V @ 100mA

High PSRR: 65dB @ 120Hz

Output current capability of 100mA

Supports enable function for power saving

Overcurrent and overtemperature protection

Reverse polarity protection

Operating temperature range from -40°C to 125°C

Product Advantages

High efficiency at low voltage differentials

Ideal for noise-sensitive applications due to low noise and high PSRR

Long battery life in portable devices due to low dropout and quiescent current

Robust protection features enhance device reliability

Key Technical Parameters

Voltage Input (Max): 20V

Voltage Output (Min/Fixed): 3V

Current Output: 100mA

PSRR: 65dB (120Hz)

Control Features: Enable

Protection Features: Over Current, Over Temperature, Reverse Polarity

Quality and Safety Features

Overcurrent protection prevents damage from excessive loads

Overtemperature protection ensures stability and safety under high operating temperatures

Reverse polarity protection shields against incorrect power connection

Compatibility

Compatible with a wide range of input voltages up to 20V

Suitable for various applications requiring a stable 3V output

Application Areas

Battery-powered devices

Portable and handheld electronics

Low-power IoT devices

Microcontroller power supplies

Product Lifecycle

Status: Active

This product is currently in active production with no indication of nearing discontinuation. Future replacements or upgrades may become available in line with technological advancements.

Several Key Reasons to Choose This Product

High reliability and stability across a wide range of operating conditions

Low dropout voltage facilitates efficient use of power, ideal for battery-operated devices

High PSRR makes it suitable for noise-sensitive applications

Wide operating temperature range accommodates demanding environments

Comprehensive protection features ensure long-term performance and safety

Offered in a small, surface mount package for space-constrained applications