LT3790EFE - Analog Devices Inc.

Manufacturer Part Number

LT3790EFE

Manufacturer

Analog Devices

Introduction

The LT3790EFE is a power management integrated circuit (PMIC) for DC-DC switching control.

Product Features and Performance

Step-up/Step-down functionality enabling voltage increase or decrease from the input supply

Two output channels providing flexibility in power design

Capable of operating with inputs ranging from 4.7V to 60V

Supports a switching frequency range from 200kHz to 700kHz, allowing for design optimization

Incorporates a synchronous rectifier for improved efficiency

Clock synchronization feature to reduce noise and improve performance in systems

Features like Enable, Frequency Control, and Soft Start for enhanced control over power management

Product Advantages

Versatility in managing both step-up and step-down voltage requirements

High input voltage range suitable for various power supply conditions

Built-in synchronous rectification to minimize power losses

Efficient operation in noise-sensitive applications due to clock synchronization

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Up/Step-Down

Output Configuration: Positive

Topology: Buck-Boost

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.7V ~ 60V

Frequency Switching: 200kHz ~ 700kHz

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Robust operating temperature range ensuring performance in various environments

Built to meet industry standards for safety and reliability

Compatibility

Designed for surface mount technology (SMT)

Compatible with 38-TFSOP exposed pad package for ease of integration into various circuit designs

Application Areas

High reliability power supply systems

Industrial control and automation

Telecommunications equipment

Automotive and transportation

Product Lifecycle

Currently listed as Obsolete

Potential unavailability of future replacements or upgrades due to discontinuation

Key Reasons to Choose This Product

Enhanced power efficiency and flexibility in application due to both step-up and step-down capabilities

Suitable for a wide range of input voltages, making it adaptable to various power sources

Synchronous rectification improves overall efficiency, reducing heat generation and power loss

The ability to synchronize the switching frequency minimizes EMI, which is crucial in sensitive applications

The robust temperature range allows for use in harsh environments without compromising performance