Linear Technology/QD Devices
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
LT3763IFE

LT3763IFE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, wide input voltage range, adjustable output voltage, compact package
  • Package: 28-Lead TSSOP
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Switching Frequency: Up to 1MHz
  • Maximum Output Current: 6A
  • Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3763IFE has a 28-lead TSSOP package with the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Pin
  4. VOUT: Output Voltage
  5. SYNC: Synchronization Pin
  6. SS: Soft-Start Pin
  7. RT: Timing Resistor Pin
  8. CT: Timing Capacitor Pin
  9. ITH: Current Sense Threshold Pin
  10. COMP: Compensation Pin
  11. BST: Bootstrap Pin
  12. SW: Switch Node Pin
  13. PGND: Power Ground
  14. NC: No Connection
  15. NC: No Connection
  16. NC: No Connection
  17. NC: No Connection
  18. NC: No Connection
  19. NC: No Connection
  20. NC: No Connection
  21. NC: No Connection
  22. NC: No Connection
  23. NC: No Connection
  24. NC: No Connection
  25. NC: No Connection
  26. NC: No Connection
  27. NC: No Connection
  28. NC: No Connection

Functional Features

  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility in power management
  • High efficiency minimizes power loss and heat generation
  • Synchronization pin enables synchronization with an external clock
  • Soft-start pin ensures a controlled startup sequence
  • Current sense threshold pin allows precise current regulation
  • Compensation pin facilitates stability in various load conditions
  • Bootstrap pin simplifies the design of high-side N-channel MOSFET drivers

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power consumption
  • Wide input voltage range accommodates various power sources
  • Adjustable output voltage meets different application requirements
  • Compact package saves board space
  • Synchronization capability enhances system integration

Disadvantages

  • Limited maximum output current (6A)
  • Requires additional external components for proper operation
  • Higher cost compared to non-integrated solutions

Working Principles

The LT3763IFE is a voltage regulator IC that utilizes a high-frequency switching technique to efficiently convert an input voltage to a regulated output voltage. It employs a constant frequency, current mode control architecture to provide stable and accurate voltage regulation.

The IC operates by continuously monitoring the feedback voltage and adjusting the duty cycle of the internal power switch accordingly. This control mechanism ensures that the output voltage remains within the desired range, even with variations in the input voltage and load conditions.

By employing advanced control algorithms and protection features, the LT3763IFE offers reliable and efficient power management for a wide range of applications.

Detailed Application Field Plans

The LT3763IFE finds applications in various fields, including:

  1. Automotive electronics
  2. Industrial automation
  3. Telecommunications
  4. Renewable energy systems
  5. LED lighting
  6. Battery charging systems
  7. Portable devices
  8. Medical equipment
  9. Consumer electronics

Its versatility and wide input voltage range make it suitable for both low-power and high-power applications.

Detailed and Complete Alternative Models

  1. LT3763AIFE: Similar to LT3763IFE, but with extended temperature range (-40°C to 150°C)
  2. LT3763HFE: Higher maximum output current (10A) variant of LT3763IFE
  3. LT3763LFE: Lower maximum output current (3A) variant of LT3763IFE
  4. LT3763PFE: Power-enhanced version with improved thermal performance
  5. LT3763RFE: RoHS-compliant variant of LT3763IFE

These alternative models offer different specifications and features to cater to specific application requirements.

Word count: 529 words

기술 솔루션에 LT3763IFE 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of LT3763IFE in technical solutions:

  1. Q: What is LT3763IFE? A: LT3763IFE is a high-performance synchronous buck-boost DC/DC controller designed for various applications, including LED lighting, automotive, industrial, and telecommunications.

  2. Q: What is the input voltage range supported by LT3763IFE? A: LT3763IFE supports an input voltage range from 4.5V to 60V, making it suitable for a wide range of power supply designs.

  3. Q: Can LT3763IFE operate as both a step-up and step-down converter? A: Yes, LT3763IFE can function as a step-up (boost) or step-down (buck) converter, allowing flexibility in voltage regulation.

  4. Q: What is the maximum output current that LT3763IFE can handle? A: LT3763IFE can handle a maximum output current of up to 20A, depending on the specific application and thermal considerations.

  5. Q: Is LT3763IFE capable of dimming LED lights? A: Yes, LT3763IFE supports analog and PWM dimming control methods, making it suitable for LED lighting applications that require dimming functionality.

  6. Q: Does LT3763IFE have built-in protection features? A: Yes, LT3763IFE incorporates various protection features such as overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown to ensure safe operation.

  7. Q: Can LT3763IFE be synchronized with an external clock? A: Yes, LT3763IFE offers synchronization capability, allowing it to synchronize its switching frequency with an external clock signal.

  8. Q: What is the efficiency of LT3763IFE? A: LT3763IFE offers high efficiency, typically exceeding 95%, which helps to minimize power losses and maximize energy conversion.

  9. Q: Can LT3763IFE operate in a wide temperature range? A: Yes, LT3763IFE is designed to operate reliably in a wide temperature range, typically from -40°C to 125°C, making it suitable for demanding environments.

  10. Q: Are there any evaluation boards or reference designs available for LT3763IFE? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help users quickly prototype and implement LT3763IFE-based solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and design considerations.