LTC3805IMSE-5#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3805IMSE-5#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3805IMSE-5#TRPBF is a compact, highly efficient power management integrated circuit for DC-DC switching controllers, designed to manage power in a variety of applications.

Product Features and Performance

Versatile topology support (Boost, Flyback, SEPIC)

Single-output transistor driver

Operates with a single inductor

Capable of positive output with isolation

Adaptive shoot-through protection

Wide Vcc range of 3.95V to 9.5V

Variable switching frequency from 70kHz to 700kHz

Max Duty Cycle of 80%

Soft-start function to prevent inrush current

Enable pin for power-saving shutdown mode

Product Advantages

High integration reduces external component count

Flexibility in application due to broad voltage and frequency ranges

Thermal protection enhances reliability

Ability to synchronize clock for noise-sensitive applications

Key Technical Parameters

Topology: Boost, Flyback, SEPIC

Number of Outputs: 1

Output Phases: 1

Duty Cycle (Max): 80%

Voltage - Supply (Vcc/Vdd): 3.95V ~ 9.5V

Frequency - Switching: 70kHz ~ 700kHz

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Built-in over-temperature protection

Current-mode control for excellent line and load transient response

Low shutdown current for extended battery life

Compliance with RoHS and other industry safety standards

Compatibility

Compatible with a variety of capacitors and inductors

Suitable for different PCB layouts due to its compact MSOP-10 package with an exposed pad for enhanced thermal performance

Application Areas

Power supplies for FPGAs, DSPs, and microcontrollers

Industrial controls

Telecommunication and networking systems

Automotive power systems

Battery-powered equipment

Portable electronic devices

Product Lifecycle

Status: Active

No announced discontinuation, replacements, or upgrades

Several Key Reasons to Choose This Product

High efficiency for extended battery life in portable applications

Robust thermal performance allowing for operation in harsh environments

Flexible design suitable for multiple DC-DC converter topologies

Precision operation with programmable switching frequency for design customization

Easy to use and integrate in space-constrained applications due to its small package size