Linear Technology/QD Devices
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LT8650SEV#PBF
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LT8650SEV#PBF

Product Overview

Category

LT8650SEV#PBF belongs to the category of integrated circuits (ICs).

Use

The LT8650SEV#PBF is primarily used as a synchronous step-down switching regulator.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Low quiescent current
  • Adjustable output voltage
  • Synchronous rectification
  • Programmable soft-start
  • Overvoltage protection
  • Thermal shutdown

Package

The LT8650SEV#PBF comes in a small 16-lead thermally enhanced MSOP package.

Essence

The essence of LT8650SEV#PBF lies in its ability to efficiently convert high input voltages to lower output voltages, making it suitable for various power supply applications.

Packaging/Quantity

The LT8650SEV#PBF is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

  • Input Voltage Range: 3.4V to 42V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: Up to 2MHz
  • Quiescent Current: 20µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SS/TRK: Soft-start/tracking pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin
  6. SW: Switch node pin
  7. PGND: Power ground pin
  8. SYNC/MODE: Synchronization/mode selection pin
  9. VCC: Supply voltage pin
  10. BST: Bootstrap pin
  11. NC: No connection
  12. NC: No connection
  13. NC: No connection
  14. NC: No connection
  15. NC: No connection
  16. NC: No connection

Functional Features

  • High efficiency conversion
  • Adjustable output voltage
  • Overvoltage protection
  • Thermal shutdown protection
  • Programmable soft-start
  • Synchronous rectification for improved efficiency

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications
  • High efficiency results in reduced power dissipation
  • Adjustable output voltage provides flexibility
  • Synchronous rectification improves overall efficiency
  • Programmable soft-start prevents excessive inrush current

Disadvantages

  • Limited maximum output current of 3A
  • Higher cost compared to non-synchronous regulators
  • Requires external components for operation

Working Principles

The LT8650SEV#PBF operates as a synchronous step-down switching regulator. It utilizes a high-frequency switching transistor to convert the input voltage to a lower output voltage. The synchronous rectification mechanism ensures efficient power transfer by reducing losses during the switching process. The device incorporates various protection features such as overvoltage protection and thermal shutdown to safeguard against potential failures.

Detailed Application Field Plans

The LT8650SEV#PBF finds applications in various fields, including: - Industrial automation - Automotive electronics - Telecommunications - Power supplies for consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

  1. LT8645SEV#PBF
  2. LT8646SEV#PBF
  3. LT8651SEV#PBF
  4. LT8652SEV#PBF
  5. LT8653SEV#PBF

These alternative models offer similar functionality and characteristics to the LT8650SEV#PBF, providing options for different design requirements.

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기술 솔루션에 LT8650SEV#PBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of LT8650SEV#PBF in technical solutions:

  1. Q: What is the LT8650SEV#PBF? A: The LT8650SEV#PBF is a synchronous step-down switching regulator designed for use in various applications.

  2. Q: What is the input voltage range of the LT8650SEV#PBF? A: The input voltage range of the LT8650SEV#PBF is from 3V to 65V.

  3. Q: What is the output voltage range of the LT8650SEV#PBF? A: The output voltage range of the LT8650SEV#PBF is from 0.8V to 60V.

  4. Q: What is the maximum output current of the LT8650SEV#PBF? A: The LT8650SEV#PBF can deliver a maximum output current of up to 6A.

  5. Q: What is the efficiency of the LT8650SEV#PBF? A: The LT8650SEV#PBF has high efficiency, typically up to 95%.

  6. Q: Can the LT8650SEV#PBF operate in a wide temperature range? A: Yes, the LT8650SEV#PBF is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  7. Q: Does the LT8650SEV#PBF have built-in protection features? A: Yes, the LT8650SEV#PBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: Can the LT8650SEV#PBF be used in automotive applications? A: Yes, the LT8650SEV#PBF is suitable for automotive applications and meets the necessary automotive standards.

  9. Q: What are the typical applications of the LT8650SEV#PBF? A: The LT8650SEV#PBF can be used in a wide range of applications including industrial equipment, automotive systems, telecom infrastructure, and more.

  10. Q: Is there any evaluation board available for the LT8650SEV#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides an evaluation board, the DC2659A, for the LT8650SEV#PBF to help users evaluate its performance and features.

Please note that the answers provided here are general and may vary depending on specific requirements and conditions. It is always recommended to refer to the datasheet and consult with technical experts for accurate information and application-specific guidance.