LTC3787IUFD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Wide Input Voltage Range - Programmable Output Voltage - Synchronous Rectification - Adjustable Frequency - Fault Protection

Package: QFN-38

Essence: The LTC3787IUFD#PBF is a high-performance power management IC designed for various applications requiring efficient voltage conversion.

Packaging/Quantity: The LTC3787IUFD#PBF is available in a QFN-38 package and is typically sold in reels of 2500 units.

Specifications

The LTC3787IUFD#PBF offers the following specifications:

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 20A
• Switching Frequency Range: 50kHz to 900kHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3787IUFD#PBF features a 38-pin QFN package with the following pin configuration:

1. VIN
2. VCC
3. GND
4. SW
5. PGND
6. FB
7. SS
8. SYNC
9. RT
10. ITH
11. MODE
12. CLKOUT
13. CLKIN
14. PGOOD
15. INTVCC
16. VREF
17. VFB
18. VSENSE
19. VOUT
20. AGND
21. BST
22. LX
23. COMP
24. SS/TRK
25. OVLO
26. OCSET
27. UVLO
28. RUN/SS
29. SS/TRK
30. SS/TRK
31. SS/TRK
32. SS/TRK
33. SS/TRK
34. SS/TRK
35. SS/TRK
36. SS/TRK
37. SS/TRK
38. SS/TRK

Functional Features

The LTC3787IUFD#PBF offers the following functional features:

• Wide input voltage range allows for versatile applications.
• Programmable output voltage provides flexibility in power management.
• Synchronous rectification improves efficiency.
• Adjustable frequency enables optimization for different loads.
• Fault protection mechanisms ensure safe operation.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range accommodates various power sources. - Programmable output voltage allows for customization. - Synchronous rectification enhances overall efficiency. - Adjustable frequency optimizes performance for different loads. - Fault protection ensures safe operation.

Disadvantages: - Limited maximum output current of 20A may not be suitable for high-power applications. - Complex pin configuration may require careful attention during circuit design.

Working Principles

The LTC3787IUFD#PBF operates based on a switching regulator topology. It utilizes a combination of high-frequency switching and control techniques to efficiently convert input voltage to the desired output voltage. The integrated circuit incorporates various control loops, feedback mechanisms, and protection features to ensure stable and reliable power management.

Detailed Application Field Plans

The LTC3787IUFD#PBF finds applications in a wide range of fields, including but not limited to: 1. Industrial automation 2. Automotive electronics 3. Renewable energy systems 4. Telecommunications 5. Consumer electronics 6. Medical devices

In industrial automation, it can be used for motor control, power supplies, and lighting systems. In automotive electronics, it can be employed in electric vehicle charging stations, battery management systems, and power distribution units. In renewable energy systems, it can be utilized for solar inverters, wind turbine converters, and energy storage systems. In telecommunications, it can be applied in base stations, network equipment, and power amplifiers. In consumer electronics, it can be integrated into portable devices, smart home systems, and audio/video equipment. In medical devices, it can be used for patient monitoring systems, diagnostic equipment, and surgical instruments.

Detailed and Complete Alternative Models

1. LTC3787A: Similar to LTC3787IUFD#PBF but with a different package (SSOP-38).
2. LTC3787E: Similar to LTC3787IUFD#PBF but with extended temperature range (-40°C to 150°C).
3. LTC3787H: Similar to LTC3787IUFD#PBF but with higher maximum output current (30A).
4. LTC3787R: Similar to LTC3787IUFD#PBF but with reverse polarity protection.
5. LTC3787S: Similar to LTC3787IUFD#PBF but with additional fault protection features.

These alternative models