LT3090IDD#PBF - Analog Devices Inc.

Manufacturer Part Number

LT3090IDD#PBF

Manufacturer

Analog Devices

Introduction

The LT3090 is a low dropout linear regulator designed for power management, offering adjustable negative voltage with high precision.

Product Features and Performance

Negative output adjustable voltage regulator

Output can be adjusted between 0V and -32V

600mA maximum output current

45V maximum voltage dropout at 600mA

High PSRR of 85dB at 120Hz decreasing to 20dB at 1MHz

Low quiescent current of 50.5 µA

Can accept input voltages up to -36V

Single regulator design

Surface mount package for compact PCB layout

Product Advantages

Highly stable with low noise output

Provides clean and precise voltage regulation

Robust power supply rejection ratio maintains stable operation under varying line conditions

Key Technical Parameters

Voltage - Input (Max): -36V

Voltage - Output (Min/Fixed): 0V

Voltage - Output (Max): -32V

Voltage Dropout (Max): 0.45V @ 600mA

Current - Output: 600mA

Current - Quiescent (Iq): 50.5 µA

PSRR: 85dB ~ 20dB (120Hz ~ 1MHz)

Quality and Safety Features

Current limit protection

Over temperature protection

Reverse polarity protection

Short circuit protection

Compatibility

Surface mount device compatible with automated PCB assembly

10-WFDFN exposed pad package allows for efficient thermal transfer

Application Areas

Power supplies

Instrumentation

Consumer electronics

Telecommunications

Automotive electronics

Product Lifecycle

Active product status

Not indicated as nearing discontinuation

Alternatives or upgrades not specified

Key Reasons to Choose This Product

High performance LDO suitable for sensitive electronic applications

Flexible voltage range for custom negative voltage requirements

Low dropout for improved efficiency

Exceptional line and load regulation for consistent power supply

Variety of protection features ensuring high reliability and safety in operation

Excellent thermal performance with a 10-WFDFN package

Versatile for use in a wide range of electronic systems

Ongoing product support and active status suggests long-term availability