LT3479EFE#PBF - Analog Devices Inc.

Manufacturer Part Number

LT3479EFE#PBF

Manufacturer

Analog Devices

Introduction

The LT3479EFE#PBF is a versatile, high performance step-up DC-DC switching regulator designed for power management applications.

Product Features and Performance

Capable of generating positive or negative outputs from a single input

Adjustable output voltage, providing flexibility across various applications

Wide input voltage range from 2.5V to 24V, suitable for battery-operated devices

Can deliver output voltages up to 42V (switch) and output current up to 3A (switch)

Switching frequency is adjustable from 200kHz to 3.5MHz, allowing for optimization between efficiency and external component size

Operates across a temperature range of 0°C to 70°C

Surface mountable with a 16-TSSOP package, facilitating compact and efficient PCB design

Product Advantages

High flexibility in voltage adjustment for diverse application needs

Broad input voltage range makes it ideal for use in both low and high-voltage powered devices

High frequency operation enables the use of smaller, lower-cost inductors and capacitors, reducing overall BOM cost

Non-synchronous rectification simplifies the design for certain applications, especially where output polarity inversion is needed

Key Technical Parameters

Voltage Input (Min): 2.5V

Voltage Input (Max): 24V

Voltage Output (Min/Fixed): 1.235V

Voltage Output (Max): 42V

Current Output: 3A (Switch)

Frequency Switching: 200kHz ~ 3.5MHz

Operating Temperature: 0°C ~ 70°C (TA)

Quality and Safety Features

Built to meet high-quality standards, ensuring reliable and consistent performance

Integrated protection features safeguard the device against over-current and over-temperature conditions

Compatibility

Designed for surface-mount technology (SMT), making it compatible with modern PCB manufacturing processes

Broad input and output voltage ranges make it compatible with a wide range of power sources and loads

Application Areas

Ideally suited for portable and battery-powered equipment

LED lighting driving applications

Power supplies for sensor networks

Industrial control systems

Product Lifecycle

Currently in an active lifecycle phase, ensuring availability for new designs and projects

Not near discontinuation, providing long-term supply security

Several Key Reasons to Choose This Product

Versatility in generating both positive and negative output voltages from a single input

High output current up to 3A supports demanding applications

Adjustable switching frequency allows for a balanced approach between efficiency and component size

Wide operating temperature range ensures reliability in various environments

Analog Devices' reputation for quality and reliability