LTC3115IFE-2#PBF

Product Overview

The LTC3115IFE-2#PBF 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 LTC3115IFE-2#PBF is known for its high efficiency, compact package, and versatile use in various power management applications. It comes in a 16-lead plastic TSSOP package and is an essential component in portable devices, battery-powered systems, and other applications requiring efficient power conversion.

Basic Information

• Category: High-efficiency synchronous buck-boost DC/DC converter
• Use: Power management applications with varying input and output voltages
• Characteristics: High efficiency, compact package, versatile use
• Package: 16-lead plastic TSSOP
• Essence: Efficient power conversion in portable and battery-powered systems
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 2.7V to 15V
• Output Voltage Range: 1.8V to 15V
• Maximum Output Current: 1A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%

Detailed Pin Configuration

The LTC3115IFE-2#PBF features a 16-lead plastic TSSOP package with the following pin configuration: 1. VIN: Input voltage 2. SW: Switch node 3. PGND: Power ground 4. AGND: Analog ground 5. FB: Feedback voltage 6. SS/TRK: Soft-start/tracking 7. VOUT: Output voltage 8. VFB: Feedback voltage 9. RUN/SS: Run/soft-start 10. EN/UVLO: Enable/undervoltage lockout 11. VCC: Supply voltage 12. BST: Bootstrap 13. LX: Inductor connection 14. NC: No connect 15. PGND: Power ground 16. VIN: Input voltage

Functional Features

• Synchronous rectification for high efficiency
• Wide input and output voltage range
• Low quiescent current
• Soft-start and tracking for controlled start-up
• Overcurrent and overvoltage protection
• Power good indicator

Advantages and Disadvantages

Advantages

• High efficiency across wide input and output voltage ranges
• Compact package suitable for space-constrained applications
• Comprehensive protection features for reliable operation
• Low quiescent current for improved battery life

Disadvantages

• Limited maximum output current (1A)
• Higher cost compared to non-synchronous buck-boost converters

Working Principles

The LTC3115IFE-2#PBF operates on the principle of synchronous buck-boost conversion, allowing it to efficiently regulate the output voltage regardless of variations in the input voltage. By utilizing synchronous rectification and advanced control algorithms, it achieves high efficiency and precise voltage regulation across a wide range of operating conditions.

Detailed Application Field Plans

The LTC3115IFE-2#PBF is well-suited for various application fields, including: - Portable electronic devices - Battery-powered systems - Energy harvesting applications - Industrial automation - Automotive electronics - IoT (Internet of Things) devices

Detailed and Complete Alternative Models

Some alternative models to the LTC3115IFE-2#PBF include: - LT8490: High-efficiency buck-boost converter with MPPT - LTC3114: Synchronous buck-boost converter with higher maximum output current - LT8582: Dual-channel synchronous buck-boost converter for multi-rail applications - LT8331: High-voltage synchronous buck-boost converter for industrial and automotive applications

In conclusion, the LTC3115IFE-2#PBF is a versatile and efficient DC/DC converter suitable for a wide range of power management applications. Its high efficiency, compact package, and comprehensive features make it an ideal choice for portable and battery-powered systems, as well as various other electronic devices and systems.

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