LT3439EFE#TRPBF

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LT3439EFE#TRPBF

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IC REG PUSH-PULL 1A 16TSSOP

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up/Step-Down
OutputConfiguration Positive, Isolation Capable
Topology Push-Pull
OutputType Fixed
NumberofOutputs 1
Voltage-Input(Min) 2.8V
Voltage-Input(Max) 17.5V
Current-Output 1A
Frequency-Switching 20kHz ~ 250kHz
SynchronousRectifier No
OperatingTemperature 0°C ~ 70°C (TJ)
MountingType Surface Mount
Package/Case 16-TSSOP (0.173, 4.40mm Width) Exposed Pad

Visão Geral

Description

The LT3439EFE#TRPBF is a high-performance step-down switching regulator designed by Analog Devices. It is part of the LT3439 series and is well-suited for applications requiring efficient power conversion with minimal external components. The device operates over a wide input voltage range and is capable of delivering a constant output current. Its features include high efficiency, low quiescent current, and robust thermal performance, making it ideal for battery-powered devices, automotive applications, and industrial systems.
The LT3439EFE#TRPBF integrates advanced circuitry to provide excellent line and load regulation with fast transient response. It also offers programmable switching frequency, allowing for optimization between efficiency and component size. The regulator includes built-in protection features such as thermal shutdown, over-current protection, and soft-start functionality to prevent inrush current.
Packaged in a compact TSSOP, the LT3439EFE#TRPBF is designed for easy implementation in space-constrained applications. Its design flexibility and reliability make it a popular choice for designers seeking an effective solution for their power management needs.

Equivalent

The LT3439EFE#TRPBF is a high-voltage, high-efficiency step-down switching regulator. Equivalent products include:
1. Texas Instruments LM5085: A high-efficiency step-down controller with similar voltage and current capabilities.
2. Analog Devices LT3845: Offers a high input voltage step-down and similar functionality.
3. ON Semiconductor NCP1034: A robust step-down switching regulator suitable for similar applications.
When selecting a replacement, consider factors like input voltage range, output current, efficiency, and package type.

Features

The LT3439EFE#TRPBF is a high voltage monolithic flyback regulator designed by Analog Devices (formerly Linear Technology). Key features include:
1. Wide Input Voltage Range: Supports 4V to 60V, accommodating diverse power sources.
2. Internal Power Switch: Integrates a 2A, 60V switch, reducing external component count and enhancing reliability.
3. No Opto-isolator Required: Utilizes boundary mode operation, eliminating the need for an opto-isolator or third winding for isolated outputs.
4. Adjustable Switching Frequency: Allows frequency setting between 100kHz and 250kHz, optimizing efficiency and performance.
5. Output Power Capabilities: Suitable for applications requiring up to 15W of power.
6. Protection Features: Includes overvoltage and overcurrent protection, enhancing safety and durability.
7. Thermal Management: Operates over a wide temperature range, with an exposed pad for improved heat dissipation.
8. Package: Available in a 16-lead TSSOP package with an exposed pad for better thermal performance.
These features make it ideal for applications in isolated power supplies, telecommunications, and industrial control systems.

Pinout

The LT3439EFE#TRPBF is a high-performance, 3A, 800kHz step-up switching regulator by Analog Devices. It comes in a 16-lead TSSOP (Thermally Enhanced Thin Shrink Small Outline Package) package, which indicates it has 16 pins.
The device is designed for applications requiring efficient and compact DC-DC conversion with a high switching frequency. It includes features like short-circuit protection, thermal shutdown, and soft-start capabilities. The LT3439EFE#TRPBF is suitable for use in automotive, industrial, and general-purpose power supply applications, providing a regulated output voltage from a varying input voltage source.
For detailed pin functions, users should refer to the manufacturer's datasheet, which provides comprehensive information regarding each pin's role in signal input, output, power supply, and configuration settings. The datasheet will also include recommended configurations for optimal performance in different application scenarios.

Manufacturer

The LT3439EFE#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design, manufacturing, and marketing of a wide range of integrated circuits. Their product offerings include analog, mixed-signal, and digital signal processing (DSP) ICs used in various electronic equipment. The company serves diverse industries such as automotive, consumer electronics, communications, healthcare, and industrial applications. Known for its innovation and high-performance solutions, Analog Devices focuses on providing products that enable complex signal processing in electronic devices.

Application

The LT3439EFE#TRPBF is a high-voltage monolithic buck regulator designed for efficient power management in various applications. Key application areas include automotive systems, where it can manage power in infotainment systems and battery management. It is also used in telecommunications for powering network equipment, and in industrial settings for powering control systems and automation equipment. Additionally, it suits renewable energy systems, such as solar inverters, due to its ability to handle high input voltages and provide stable output. Its robustness and efficiency make it ideal for any application requiring reliable DC-DC conversion in harsh environments.

Package

The LT3439EFE#TRPBF is packaged in a 16-lead Thermally Enhanced TSSOP (also known as a TSOP or Thin Shrink Small Outline Package). This package is designed to improve thermal performance, making it suitable for power applications.

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