LT3091EDE#PBF - Analog Devices Inc.

Manufacturer Part Number

LT3091EDE#PBF

Manufacturer

Analog Devices

Introduction

The LT3091 is a high-performance, low dropout negative linear regulator designed for a wide range of power management applications.

Product Features and Performance

Adjustable negative output voltage

Output voltage range from 0V to -32V

Maximum voltage dropout of 0.45V at 1.5A load

Output current up to 1.5A

Low quiescent current of 50.5 µA

Excellent power supply rejection ratio (PSRR) varying from 85dB to 20dB across frequencies 120Hz to 1MHz

Integrated features for current limit, enable control

Protection against overcurrent, overtemperature, reverse polarity, and short circuit conditions

Product Advantages

Ability to produce a wide range of negative output voltages

Suitable for low voltage applications due to low dropout

Low power consumption due to minimal quiescent current

High stability and noise suppression with excellent PSRR

Robust protection features enhance reliability and safety

Key Technical Parameters

Voltage Input (Max): -36V

Voltage Output (Min/Fixed): 0V

Voltage Output (Max): -32V

Voltage Dropout (Max): 0.45V @ 1.5A

Current Output: 1.5A

Current Quiescent (Iq): 50.5 µA

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

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Reverse polarity protection

Short circuit protection

Compatibility

Compatible with a wide range of negative voltage applications

Surface mount package 14-WFDFN Exposed Pad suits modern PCB layouts

Application Areas

Power supply modules

Instrumentation

Audio equipment

Industrial control systems

Negative voltage rails in mixed-signal systems

Product Lifecycle

Status: Active

Not nearing discontinuation, ensuring long-term availability

Replacements or upgrades are readily available

Several Key Reasons to Choose This Product

High performance and flexibility for negative voltage generation

Low dropout and quiescent current for efficient operation

Robust protection features ensure reliability and safety

Excellent PSRR for noise-sensitive applications

Wide operating temperature range suits various environments

Long-term product availability supports sustained product designs