LT3090EMSE#PBF - Analog Devices Inc.

Manufacturer Part Number

LT3090EMSE#PBF

Manufacturer

Analog Devices

Introduction

Linear Technology's LT3090 is a negative low dropout linear regulator designed for power management applications.

Product Features and Performance

Negative output adjustable voltage regulator

Single regulator design

High PSRR: 85dB at 120Hz to 20dB at 1MHz

Low quiescent current: 50.5 µA

Low dropout voltage: 0.45V at 600mA load

Large input voltage range: up to -36V

Maximum output voltage: -32V

Minimum output voltage: 0V

Product Advantages

High output noise suppression

Stable with low ESR ceramic capacitors

Fast transient response

Good thermal performance with exposed pad package

Key Technical Parameters

Output current capability: 600mA

Dropout voltage: 0.45V at full load

Power supply rejection ratio (PSRR): 85dB to 20dB across frequencies

Input voltage range: up to -36V

Output voltage range: 0V to -32V

Quiescent current: 50.5 µA

Operating temperature range: -40°C to +125°C

Quality and Safety Features

Built-in current limit

Over-temperature protection

Protection against reverse polarity

Short-circuit protection

Compatibility

Suited for surface mount technology

Compatible with various applications due to adjustable output

Application Areas

Power supply for sensors and instrumentation

Negative voltage generation for operational amplifiers

Telecommunications

Data acquisition systems

Product Lifecycle

Currently active

No indication of discontinuation

Availability of replacements or upgrades not specified

Reasons to Choose This Product

Low noise for sensitive electronics

Efficient power conversion with low dropout performance

Robust protection features for enhanced reliability

Wide operating temperature suitable for industrial environments

Small footprint with MSOP-EP package for space-constrained applications

High-performance PSRR for stable output voltage under variable loads