LT8708IUHG#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Synchronous rectification - Programmable output voltage and current limit - Fault protection features

Package: LT8708IUHG#PBF is available in a 48-Lead 7mm x 7mm QFN package.

Essence: The LT8708IUHG#PBF is a high-performance power management IC designed for various applications that require efficient power conversion and control.

Packaging/Quantity: The LT8708IUHG#PBF is typically sold in reels of 250 units.

Specifications

• Input Voltage Range: 4.5V to 80V
• Output Voltage Range: 0.8V to 80V
• Maximum Output Current: 10A
• Switching Frequency: Up to 750kHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT8708IUHG#PBF has a total of 48 pins. Here is a brief overview of the pin functions:

1. VIN+ : Positive input voltage
2. VIN- : Negative input voltage
3. GND : Ground
4. VCC : Supply voltage for internal circuitry
5. SYNC : Synchronization input
6. FB : Feedback input for regulation
7. SS : Soft-start capacitor connection
8. RUN/SS/TRK : Run, soft-start, or tracking mode selection
9. MODE : Mode selection pin
10. VOUT : Output voltage

For a complete pin configuration diagram, please refer to the datasheet of LT8708IUHG#PBF.

Functional Features

• High efficiency synchronous rectification
• Adjustable output voltage and current limit
• Programmable soft-start and tracking functions
• Wide input voltage range for versatile applications
• Comprehensive fault protection features

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range allows for flexibility in various applications - Programmable output voltage and current limit provide customization options - Fault protection features enhance reliability and safety

Disadvantages: - Limited maximum output current of 10A may not be suitable for high-power applications - Complex pin configuration may require careful attention during circuit design

Working Principles

The LT8708IUHG#PBF utilizes a high-performance switching regulator architecture to efficiently convert input power to the desired output voltage. It incorporates synchronous rectification technology, which minimizes power losses and improves overall efficiency.

The IC offers programmable output voltage and current limit, allowing users to tailor the power management system to their specific requirements. The soft-start and tracking functions enable smooth startup and synchronization with other power sources.

Comprehensive fault protection features, such as overvoltage protection, overcurrent protection, and thermal shutdown, ensure safe operation and protect the IC from potential damage.

Detailed Application Field Plans

The LT8708IUHG#PBF is well-suited for a wide range of applications, including but not limited to: - Automotive power systems - Industrial equipment - Telecommunications infrastructure - Renewable energy systems - Battery charging systems

Its high efficiency, wide input voltage range, and flexible output voltage/current programming make it an ideal choice for demanding power management applications.

Detailed and Complete Alternative Models

• LT8708EUHG#PBF
• LT8708CUHG#PBF
• LT8708HUHG#PBF
• LT8708IUHG#TRPBF

These alternative models offer similar functionality and characteristics, providing users with options based on their specific requirements.

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