LT1121CS8-5#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT1121CS8-5#TRPBF

Manufacturer

Analog Devices

Introduction

The LT1121CS8-5#TRPBF is a low dropout (LDO) linear voltage regulator optimized for power management applications. It features a fixed output voltage of 5V designed for stable operation and efficient power supply.

Product Features and Performance

Fixed 5V output voltage

Low dropout voltage of 0.7V at 150mA load

High output current capacity of 150mA

Low quiescent current of 50 µA, enhancing energy efficiency

Maximum input voltage of 30V

Power supply rejection ratio (PSRR) of 58dB at 120Hz

Over-temperature and reverse polarity protection

Product Advantages

High efficiency and reliable output due to low dropout feature

Robust safety features including temperature and polarity protections

Suitable for varied applications due to high input voltage range

Low quiescent current aids in low power consumption

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 5V

Current Output: 150mA

Voltage Dropout (Max): 0.7V at 150mA

Current Quiescent (Iq): 50 µA

PSRR: 58dB at 120Hz

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with standard surface mount 8-SOIC package

Application Areas

Suitable for battery-powered devices

Ideal for microcontroller power supplies

Useful in applications requiring efficient energy management

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation

Replacement parts or upgrades should follow the base product number LT1121

Several Key Reasons to Choose This Product

High-efficiency power conversion with low dropout voltage

Supports a wide range of input voltage up to 30V

Low power consumption with minimal quiescent current

Enhanced reliability provided by safety features

Versatile applications due to stable and fixed 5V output