LT3508HUF#TRPBF

Product Overview

The LT3508HUF#TRPBF belongs to the category of high voltage, high efficiency synchronous buck-boost DC/DC converters. It is commonly used in applications requiring a wide input and output voltage range with high efficiency and low quiescent current. The device is known for its compact package, high efficiency, and versatile use in various power management applications.

Basic Information

• Category: High voltage, high efficiency synchronous buck-boost DC/DC converter
• Use: Wide input and output voltage range applications
• Characteristics: High efficiency, low quiescent current
• Package: Compact package
• Essence: Power management
• Packaging/Quantity: Varies based on supplier and order quantity

Specifications

• Input Voltage Range: 2.5V to 32V
• Output Voltage Range: Up to 32V
• Switching Frequency: Up to 2MHz
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C
• Package Type: 24-Lead (4mm × 4mm) QFN

Detailed Pin Configuration

The LT3508HUF#TRPBF features a 24-pin configuration with specific functions assigned to each pin. The detailed pin configuration is as follows: 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. SYNC/MODE: Synchronization/mode select 8. RT/CLKOUT: Oscillator frequency set/clock output 9. VCC: IC supply voltage 10. BST: Bootstrap capacitor connection 11. LX: Inductor connection 12. NC: No connect 13. NC: No connect 14. NC: No connect 15. NC: No connect 16. NC: No connect 17. NC: No connect 18. NC: No connect 19. NC: No connect 20. NC: No connect 21. NC: No connect 22. NC: No connect 23. NC: No connect 24. GND: Ground

Functional Features

• Synchronous rectification for high efficiency
• Wide input and output voltage range capability
• Low quiescent current for extended battery life
• Adjustable and programmable output voltage
• Integrated soft-start and tracking functionality
• Selectable operating modes for flexibility

Advantages and Disadvantages

Advantages

• High efficiency operation
• Versatile input and output voltage range
• Compact package size
• Low quiescent current for power-sensitive applications

Disadvantages

• Higher complexity compared to non-synchronous converters
• Sensitive to layout and external component selection

Working Principles

The LT3508HUF#TRPBF operates based on the buck-boost topology, allowing it to regulate the output voltage regardless of whether the input voltage is higher or lower than the desired output voltage. The synchronous rectification feature enhances efficiency by reducing power losses during switching transitions.

Detailed Application Field Plans

The LT3508HUF#TRPBF finds extensive application in various fields, including: - Battery-powered devices - Portable instrumentation - Industrial control systems - Automotive electronics - LED lighting - Distributed power supplies

Detailed and Complete Alternative Models

• LT3490
• LT3492
• LT8390

In conclusion, the LT3508HUF#TRPBF offers a high-efficiency solution for power management applications with its wide input and output voltage range capabilities, compact package, and advanced features. Its versatility makes it suitable for diverse fields such as battery-powered devices, industrial control systems, and automotive electronics.

Word count: 514