LT3991EMSE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3991EMSE#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3991EMSE#TRPBF is a step-down DC-DC voltage regulator that offers an adjustable output from a wide input voltage range.

Product Features and Performance

Step-Down (Buck) Topology

Adjustable Output Voltage

Wide Input Voltage Range from 4.3V to 55V

Capable of Delivering 1.2A Output Current

Switching Frequency Range from 200kHz to 2MHz

Operates over a Temperature Range of -40°C to 125°C

Product Advantages

Efficient Power Conversion

Stable and Reliable Performance

Flexible Design Options Due to Adjustable Output

Thermal Overload Protection

Wide Operating Temperature Range Suitable for Industrial Applications

Key Technical Parameters

Voltage - Input (Min): 4.3V

Voltage - Input (Max): 55V

Voltage - Output (Min/Fixed): 1.19V

Voltage - Output (Max): 30V

Current - Output: 1.2A

Frequency - Switching: 200kHz ~ 2MHz

Synchronous Rectifier: No

Quality and Safety Features

Over-Temperature Protection

Built-in Short Circuit Protection

Compatibility

Surface Mount Type for Ease of PCB Design

Compatible with Standard 10-TFSOP, 10-MSOP Exposed Pad

Application Areas

Consumer Electronics

Industrial Controls

Automotive Systems

Telecommunications Equipment

Product Lifecycle

Product Status: Active

Not Nearing Discontinuation

Replacements or Upgrades Typically Available

Several Key Reasons to Choose This Product

Versatile Adjustable Output Suitable for a Range of Applications

Robust Performance with Wide Input Voltage Range and High Output Current

Flexible Switching Frequency for Optimized Design

High-Temperature Operation Fit for Harsh Environments

Surface Mount Package Compatible with Compact PCB Designs

Reliable Safety Features for Enhanced Device Protection