LT3572EUF#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency step-up DC/DC converter - Wide input voltage range: 2.5V to 16V - Adjustable output voltage up to 38V - Internal 1A, 36V switch - Low shutdown current: <1µA - Programmable soft-start - Fixed frequency operation: 1MHz - Thermal shutdown and current limit protection - Small package size: 3mm x 3mm QFN-20

Package: QFN-20

Essence: The LT3572EUF#TRPBF is a high efficiency step-up DC/DC converter designed for power management applications. It provides an adjustable output voltage up to 38V from an input voltage range of 2.5V to 16V. With its small package size and various protection features, it is suitable for compact and reliable power supply designs.

Packaging/Quantity: The LT3572EUF#TRPBF is available in a QFN-20 package. The quantity per reel is typically 2500 units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: Up to 38V
• Switch Current: 1A
• Shutdown Current: <1µA
• Frequency: 1MHz
• Package Type: QFN-20
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3572EUF#TRPBF has the following pin configuration:

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Functional Features

• High efficiency step-up DC/DC conversion
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Internal switch with a current limit for reliable operation
• Low shutdown current for power-saving during idle periods
• Programmable soft-start for controlled power-up sequencing
• Fixed frequency operation for predictable performance
• Thermal shutdown and current limit protection for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency conversion reduces power loss - Wide input voltage range allows flexibility in power source selection - Adjustable output voltage accommodates various load requirements - Small package size enables compact designs - Protection features enhance reliability and safety

Disadvantages: - Limited maximum output voltage of 38V may not be suitable for certain applications requiring higher voltages - QFN-20 package may require specialized assembly techniques

Working Principles

The LT3572EUF#TRPBF is a step-up DC/DC converter that uses an internal switch to boost the input voltage to a higher output voltage. It operates at a fixed frequency of 1MHz, ensuring consistent performance. The device incorporates various protection features such as thermal shutdown and current limit to safeguard against overloading and overheating. The programmable soft-start feature allows controlled power-up sequencing, preventing excessive inrush currents.

Application Field Plans

The LT3572EUF#TRPBF is suitable for a wide range of power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - LED lighting

Alternative Models

1. LT3572EUF#PBF: Similar to LT3572EUF#TRPBF, but without tape and reel packaging.
2. LT3572EUF#PBF-ND: Same as LT3572EUF#PBF, available from Digi-Key Electronics.
3. LT3572EUF#TRMPBF: Similar to LT3572EUF#TRPBF, but with a different package (MSOP-16).

These alternative models provide similar functionality and can be considered as substitutes for the LT3572EUF#TRPBF in various applications.

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