LTC3785EUF#PBF - Analog Devices Inc.

Manufacturer Part Number

LTC3785EUF#PBF

Manufacturer

Analog Devices

Introduction

The LTC3785 is a versatile power management integrated circuit (PMIC) designed for DC-DC switching control, capable of producing consistent and efficient power regulation with step-up and step-down functionalities.

Product Features and Performance

Can function both as step-up and step-down converter

Two outputs with single-phase output configuration

Supports a wide operating voltage range from 2.7V to 10V

Adjustable switching frequency from 100kHz to 1MHz

Synchronous rectification for improved efficiency

Features current limit, enable and soft start for sophisticated control

Compatible with surface mount technology, facilitating easier and faster assembly

Product Advantages

Dual function (step-up and step-down) reduces the need for multiple components

High frequency operation up to 1MHz allows for smaller passive components usage

High duty cycle up to 99% enables near continuous operation

Synchronous rectifier enhances overall efficiency

Wide temperature operating range makes it suitable for industrial applications

Key Technical Parameters

Output Type: Transistor Driver

Output Configuration: Positive

Topology: Buck-Boost

Number of Outputs: 2

Voltage Supply (Vcc/Vdd): 2.7V to 10V

Switching Frequency: 100kHz to 1MHz

Maximum Duty Cycle: 99%

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Current limiting feature prevents component damage under abnormal conditions

Enable and soft start features to safeguard against sudden surges and facilitate smooth operation

Compliance with industrial temperature standards, ensuring reliable performance under extreme conditions

Compatibility

Compatible with various types of load configurations due to its buck-boost capability

Suitable for surface mount technology, easing integration into existing designs without special requirements

Application Areas

Industrial power systems

Battery-powered devices

Embedded systems

Consumer electronics

Product Lifecycle

Currently active and readily available

No announced discontinuation, ensuring long-term availability and support

Several Key Reasons to Choose This Product

Versatility in functionality (step-up and step-down) optimizes circuit complexity and cost

High maximum switching frequency permits use of smaller components, reducing overall footprint

Strong efficiency through synchronous rectification cuts down on heat generation and power loss

Broad compatibility and simple integration features make it an ideal choice for multiple applications and technologies

Reliable operation in a broad range of temperatures suitable for harsh environments