LT8705IFE#PBF

Product Overview

Category

LT8705IFE#PBF belongs to the category of integrated circuits (ICs).

Use

The LT8705IFE#PBF is primarily used as a high-performance synchronous buck-boost DC/DC converter.

Characteristics

• High efficiency and wide input voltage range
• Synchronous rectification for improved efficiency
• Programmable output current limit
• Adjustable switching frequency
• Integrated power switches
• Fault protection features

Package

The LT8705IFE#PBF comes in a 38-lead plastic TSSOP package.

Essence

The essence of LT8705IFE#PBF lies in its ability to efficiently convert DC power from a wide input voltage range to a regulated output voltage.

Packaging/Quantity

The LT8705IFE#PBF is typically packaged in reels and available in quantities suitable for industrial production.

Specifications

• Input Voltage Range: 2.8V to 80V
• Output Voltage Range: 1.3V to 80V
• Maximum Switching Frequency: 750kHz
• Maximum Output Current: 10A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT8705IFE#PBF has a total of 38 pins. The pin configuration is as follows:

1. VIN+
2. VIN-
3. SW
4. PGND
5. VOUT
6. FB
7. COMP
8. SS
9. RT
10. SYNC/MODE
11. GND
12. VCC
13. VCC
14. VCC
15. VCC
16. VCC
17. VCC
18. VCC
19. VCC
20. VCC
21. VCC
22. VCC
23. VCC
24. VCC
25. VCC
26. VCC
27. VCC
28. VCC
29. VCC
30. VCC
31. VCC
32. VCC
33. VCC
34. VCC
35. VCC
36. VCC
37. VCC
38. VCC

Functional Features

• Buck-boost DC/DC conversion
• Synchronous rectification for improved efficiency
• Adjustable output current limit
• Programmable switching frequency
• Fault protection features (overvoltage, overcurrent, and thermal shutdown)

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications
• High efficiency results in reduced power loss
• Integrated power switches simplify circuit design
• Programmable features offer flexibility in system integration

Disadvantages

• Complex pin configuration may require careful attention during circuit layout
• Limited maximum output current compared to some other models

Working Principles

The LT8705IFE#PBF operates on the principle of pulse-width modulation (PWM) control. It uses a combination of high-side and low-side power switches to regulate the output voltage by adjusting the duty cycle of the switching waveform.

Detailed Application Field Plans

The LT8705IFE#PBF finds applications in various fields, including: 1. Automotive electronics 2. Industrial automation 3. Renewable energy systems 4. Telecommunications 5. Battery-powered devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LT8705IFE#PBF are: 1. LT8705HFE#PBF - Higher maximum output current (15A) 2. LT8705IFE-1#PBF - Lower maximum output current (5A) 3. LT8705HFE-1#PBF - Higher maximum output current (15A) with extended temperature range

These alternative models provide options based on specific requirements and can be suitable replacements for LT8705IFE#PBF in different applications.

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