LTC3873ETS8-5#TRMPBF

Product Overview

Category

The LTC3873ETS8-5#TRMPBF belongs to the category of voltage mode synchronous step-down DC/DC controller.

Use

It is used for regulating voltage in various electronic devices and systems, particularly in applications where efficient power conversion is essential.

Characteristics

• Voltage mode synchronous step-down DC/DC controller
• Efficient power conversion
• Wide input voltage range
• High switching frequency capability
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package

The LTC3873ETS8-5#TRMPBF comes in a small 16-lead thermally enhanced TSSOP package, making it suitable for space-constrained applications.

Essence

The essence of LTC3873ETS8-5#TRMPBF lies in its ability to efficiently regulate voltage while offering protection features and flexibility in output voltage adjustment.

Packaging/Quantity

The LTC3873ETS8-5#TRMPBF is typically available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 38V
• Output Voltage Range: 0.6V to VIN
• Switching Frequency: Up to 3MHz
• Operating Temperature Range: -40°C to 125°C
• Maximum Duty Cycle: 100%
• Quiescent Current: 150µA

Detailed Pin Configuration

The LTC3873ETS8-5#TRMPBF features a 16-pin TSSOP package with the following pin configuration: 1. VIN 2. BOOT 3. PHASE 4. GATE 5. COMP 6. SS/TRK 7. RT/CLK 8. VCC 9. PGND 10. AGND 11. FB 12. SYNC/MODE 13. SS/TRK 14. RT/CLK 15. ITH 16. RUN/SS

Functional Features

• Voltage Mode Operation
• Synchronous Rectification
• Adjustable Soft-Start
• Power Good Output
• Precision Reference
• Overcurrent Protection
• Thermal Shutdown

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Compact package size
• Overcurrent and thermal protection
• Adjustable output voltage

Disadvantages

• Higher cost compared to non-synchronous controllers
• Requires careful PCB layout for optimal performance

Working Principles

The LTC3873ETS8-5#TRMPBF operates on the principle of voltage mode control, where the output voltage is regulated by adjusting the duty cycle of the internal MOSFETs based on the feedback signal. Synchronous rectification ensures high efficiency by reducing power losses during switching transitions.

Detailed Application Field Plans

The LTC3873ETS8-5#TRMPBF is well-suited for a wide range of applications including: - Point-of-load converters - Industrial power supplies - Automotive electronics - Telecommunications equipment - Distributed power systems

Detailed and Complete Alternative Models

Some alternative models to LTC3873ETS8-5#TRMPBF include: - LT8610ABEMS8E-5#PBF - LT8645SFE-5#PBF - LT8650SFE-5#PBF - LT8640SFE-5#PBF

In conclusion, the LTC3873ETS8-5#TRMPBF offers efficient voltage regulation, robust protection features, and flexibility in a compact package, making it an ideal choice for various power conversion applications.

Word Count: 525