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LT3964HUHE#TRPBF
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LT3964HUHE#TRPBF

Product Overview

Category

The LT3964HUHE#TRPBF belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for driving LEDs (Light Emitting Diodes) in various applications.

Characteristics

  • High efficiency LED driver
  • Wide input voltage range
  • Dimming control options
  • Compact package size
  • Low quiescent current

Package

The LT3964HUHE#TRPBF is available in a small and compact 28-pin QFN package.

Essence

The essence of this product lies in its ability to efficiently drive LEDs with a wide input voltage range, while providing dimming control options.

Packaging/Quantity

The LT3964HUHE#TRPBF is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.

Specifications

  • Input Voltage Range: 4V to 36V
  • Output Current: Up to 1.5A
  • Switching Frequency: Up to 2MHz
  • Dimming Control: Analog/PWM
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3964HUHE#TRPBF has a total of 28 pins. The pin configuration is as follows:

  1. VIN: Input voltage
  2. GND: Ground
  3. VOUT: Output voltage
  4. ADJ: Adjust pin for setting output voltage
  5. DIM: Dimming control pin
  6. SYNC: Synchronization pin
  7. FB: Feedback pin
  8. EN: Enable pin
  9. BST: Boost pin
  10. SW: Switch pin
  11. PGND: Power ground 12-28. Other pins (various functions)

Functional Features

  • High efficiency LED driver with integrated power switches
  • Wide input voltage range allows for versatile applications
  • Dimming control options enable brightness adjustment
  • Synchronization pin facilitates multi-channel LED driving
  • Fault protection features ensure safe operation

Advantages and Disadvantages

Advantages

  • High efficiency results in reduced power consumption
  • Wide input voltage range provides flexibility in design
  • Dimming control options allow for customized lighting effects
  • Compact package size saves board space
  • Integrated power switches simplify circuit design

Disadvantages

  • Limited output current may not be suitable for high-power LED applications
  • Higher switching frequency may require additional noise filtering measures

Working Principles

The LT3964HUHE#TRPBF operates as a step-up (boost) LED driver. It utilizes an internal power switch to efficiently convert the input voltage to a higher voltage required for driving LEDs. The dimming control options, such as analog or PWM, regulate the output current and adjust the brightness of the LEDs.

Detailed Application Field Plans

The LT3964HUHE#TRPBF finds applications in various fields, including but not limited to: - Automotive lighting - Industrial lighting - Architectural lighting - Signage and display lighting - Backlighting for LCD panels - General illumination

Detailed and Complete Alternative Models

  1. LT3964A: Similar functionality with enhanced fault protection features
  2. LT3964B: Higher output current capability for high-power LED applications
  3. LT3964C: Lower quiescent current for ultra-low power applications

These alternative models offer similar functionality to the LT3964HUHE#TRPBF, with some variations to cater to specific requirements.

In conclusion, the LT3964HUHE#TRPBF is a highly efficient LED driver IC with a wide input voltage range and dimming control options. Its compact package size and integrated power switches make it suitable for various lighting applications. While it has limitations in terms of output current and switching frequency, alternative models are available to address specific needs.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT3964HUHE#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LT3964HUHE#TRPBF in technical solutions:

  1. Q: What is the LT3964HUHE#TRPBF? A: The LT3964HUHE#TRPBF is a high voltage, high power LED driver IC designed for driving LEDs in various lighting applications.

  2. Q: What is the input voltage range of the LT3964HUHE#TRPBF? A: The LT3964HUHE#TRPBF can operate with an input voltage range from 4V to 60V.

  3. Q: How many LEDs can the LT3964HUHE#TRPBF drive? A: The LT3964HUHE#TRPBF can drive up to 8 series-connected LEDs.

  4. Q: Can the LT3964HUHE#TRPBF dim the LEDs? A: Yes, the LT3964HUHE#TRPBF supports both analog and PWM dimming control methods.

  5. Q: What is the maximum output current of the LT3964HUHE#TRPBF? A: The LT3964HUHE#TRPBF can deliver up to 1.6A of output current.

  6. Q: Does the LT3964HUHE#TRPBF have built-in protection features? A: Yes, the LT3964HUHE#TRPBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can the LT3964HUHE#TRPBF be used in automotive applications? A: Yes, the LT3964HUHE#TRPBF is suitable for automotive lighting applications due to its wide input voltage range and robust protection features.

  8. Q: What is the efficiency of the LT3964HUHE#TRPBF? A: The LT3964HUHE#TRPBF has high efficiency, typically above 90%, which helps to minimize power dissipation and maximize energy savings.

  9. Q: Can the LT3964HUHE#TRPBF be used in both buck and boost configurations? A: Yes, the LT3964HUHE#TRPBF can operate in both buck and boost modes, providing flexibility in different lighting applications.

  10. Q: Is there any evaluation board available for the LT3964HUHE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides an evaluation board, DC2664A, for easy prototyping and testing of the LT3964HUHE#TRPBF.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with technical experts for detailed information.