LTC3115HFE-2#TRPBF

Product Overview

The LTC3115HFE-2#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 be above, below, or equal to the output voltage. The device is known for its high efficiency, low quiescent current, and wide input and output voltage ranges. It comes in a compact 16-lead QFN package and is designed to provide a versatile power management solution for various electronic systems.

Basic Information

• Category: High-efficiency synchronous buck-boost DC/DC converter
• Use: Voltage regulation in applications with varying input and output voltage requirements
• Characteristics: High efficiency, low quiescent current, wide input/output voltage range
• Package: 16-lead QFN (Quad Flat No-Lead) package
• Essence: Versatile power management solution
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 2.7V to 40V
• Output Voltage Range: 1.8V to 40V
• Quiescent Current: 2.5μA
• Switching Frequency: Adjustable up to 2MHz
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%

Detailed Pin Configuration

The LTC3115HFE-2#TRPBF features a 16-pin QFN package with the following pin configuration: 1. VIN- 2. VIN+ 3. SW 4. PGND 5. AGND 6. FB 7. SS 8. VOUT 9. VOUT 10. VOUT 11. VOUT 12. VOUT 13. VOUT 14. VOUT 15. VOUT 16. VOUT

Functional Features

• Synchronous rectification for high efficiency
• Wide input and output voltage range for versatility
• Low quiescent current for extended battery life
• Adjustable switching frequency for flexibility
• Soft-start and tracking for controlled start-up and shutdown

Advantages and Disadvantages

Advantages

• High efficiency across a wide input/output voltage range
• Low quiescent current for improved battery life
• Compact package for space-constrained applications
• Adjustable switching frequency for flexibility in design

Disadvantages

• Higher cost compared to non-synchronous converters
• Requires careful PCB layout due to high-frequency operation

Working Principles

The LTC3115HFE-2#TRPBF operates as a synchronous buck-boost converter, providing continuous voltage regulation as the input voltage varies. It utilizes a high-efficiency switching topology to step up or step down the input voltage to maintain a stable output voltage, making it suitable for applications with dynamic power requirements.

Detailed Application Field Plans

The LTC3115HFE-2#TRPBF is well-suited for a wide range of applications, including: - Battery-powered devices - Portable instrumentation - Energy harvesting systems - Industrial sensors - Automotive electronics

Detailed and Complete Alternative Models

• LT8390 - High efficiency synchronous buck-boost DC/DC converter
• LT8705 - 80V synchronous 4-switch buck-boost DC/DC controller
• LT8331 - Low IQ boost/SEPIC/inverting converter with 60V switch

This comprehensive overview provides detailed insights into the LTC3115HFE-2#TRPBF, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Word Count: 533