LT3757IDD - Linear Technology

Manufacturer Part Number

LT3757IDD

Manufacturer

Analog Devices

Introduction

The LT3757IDD is a versatile DC DC switching controller designed for power management, capable of driving a transistor for step-up, step-up/down applications, and more, with a focus on efficiency and flexibility.

Product Features and Performance

Supports step-up, step-up/step-down conversion

Functionality for boost, flyback, and SEPIC topologies

Capable of driving single output with positive and negative configurations

Wide input voltage range: 2.9V to 40V

Adjustable switching frequency: 100kHz to 1MHz

Clock synchronization feature for reduced EMI

Includes features like Enable, Frequency Control, and Soft Start for enhanced performance

Operating temperature range: -40°C to 125°C

Product Advantages

Versatility in supporting multiple topologies and output configurations

Broad input voltage range suitable for various power sources

High-frequency operation allows for smaller external components

Clock synchronization to minimize interference and noise

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 2.9V ~ 40V

Frequency Switching: 100kHz ~ 1MHz

Number of Outputs: 1

Output Phases: 1

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built to operate reliably in a wide temperature range

Enhanced safety through soft start and frequency control features

Compatibility

Compatible with a wide range of inductors and capacitors due to its flexible switching frequency

Suited for various applications due to its support for both positive and negative output configurations

Application Areas

Suitable for industrial, telecommunications, automotive, and battery-powered applications

Ideal for power conversion in embedded systems, portable devices, and more

Product Lifecycle

Status: Obsolete

Potential buyers should consider future availability and plan for replacements or upgrades

Several Key Reasons to Choose This Product

Flexibility in design with support for multiple topologies

Wide input voltage range accommodating various power sources

High switching frequency promotes compact design with smaller components

Clock synchronization minimizes noise, benefitting sensitive applications

Robust operating temperature range ensures reliability in extreme conditions