LTC3115HFE-1#TRPBF

Product Overview

The LTC3115HFE-1#TRPBF belongs to the category of high-efficiency synchronous buck-boost DC/DC converters. It is commonly used in applications where the input voltage can vary above and below the output voltage, such as battery-powered systems. The LTC3115HFE-1#TRPBF is known for its high efficiency, compact package, and versatile characteristics. It is available in a 24-lead 4mm × 5mm QFN package and is designed to provide a seamless transition between buck, boost, and buck-boost modes.

Basic Information

• Category: High-efficiency synchronous buck-boost DC/DC converter
• Use: Suitable for applications with varying input voltages
• Characteristics: High efficiency, compact package, seamless mode transition
• Package: 24-lead 4mm × 5mm QFN
• Essence: Efficient power conversion with seamless mode transition
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

The LTC3115HFE-1#TRPBF features an input voltage range of 2.7V to 15V, an output voltage range of 1.8V to 15V, and a maximum output current of 3A. It operates at a high switching frequency of up to 5MHz and offers low shutdown current consumption. The device also includes various protection features such as overcurrent protection, short-circuit protection, and thermal shutdown.

Detailed Pin Configuration

The LTC3115HFE-1#TRPBF features a total of 24 pins, including VIN, VOUT, GND, and various control and feedback pins. A detailed pin configuration diagram is available in the product datasheet.

Functional Features

The LTC3115HFE-1#TRPBF offers seamless transitions between buck, boost, and buck-boost modes, allowing for efficient power conversion across a wide input voltage range. It also includes soft-start functionality, adjustable frequency and duty cycle, and a Power Good indicator for monitoring the output voltage status.

Advantages and Disadvantages

Advantages: - High efficiency - Wide input and output voltage range - Seamless mode transition - Compact package

Disadvantages: - Higher cost compared to non-synchronous converters - Requires careful PCB layout due to high switching frequency

Working Principles

The LTC3115HFE-1#TRPBF utilizes a synchronous buck-boost topology to regulate the output voltage regardless of fluctuations in the input voltage. By dynamically adjusting the duty cycle and operating mode, the device ensures efficient power delivery while minimizing losses.

Detailed Application Field Plans

The LTC3115HFE-1#TRPBF is well-suited for a wide range of applications, including portable instruments, battery-powered devices, industrial sensors, and automotive systems. Its ability to efficiently handle varying input voltages makes it ideal for energy harvesting and battery charging applications.

Detailed and Complete Alternative Models

Some alternative models to the LTC3115HFE-1#TRPBF include the LT8490, LT8705, and LT8471. These devices offer similar buck-boost capabilities with varying specifications and features, providing flexibility for different application requirements.

Word count: 477