Linear Technology/Analog Devices
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LT3467AIDDB#TRMPBF
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LT3467AIDDB#TRMPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
  • Package: DFN-8
  • Essence: Step-Up DC/DC Converter
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 1.6V to 16V
  • Output Voltage Range: 2.5V to 38V
  • Switching Frequency: 1MHz
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3467AIDDB#TRMPBF has the following pin configuration:

  1. SW: Switch Node Connection
  2. GND: Ground
  3. FB: Feedback Pin
  4. EN: Enable Pin
  5. VIN: Input Voltage
  6. LX: Inductor Connection
  7. VOUT: Output Voltage
  8. PGND: Power Ground

Functional Features

  • High Efficiency: The LT3467AIDDB#TRMPBF offers high efficiency conversion, minimizing power loss.
  • Low Quiescent Current: With a low quiescent current of 40µA, it reduces power consumption during standby or light load conditions.
  • Wide Input Voltage Range: The IC can operate with input voltages ranging from 1.6V to 16V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages

  • High efficiency conversion
  • Low quiescent current
  • Wide input voltage range
  • Small package size (DFN-8)
  • Suitable for battery-powered devices

Disadvantages

  • Limited output voltage range (2.5V to 38V)
  • Requires external components for operation

Working Principles

The LT3467AIDDB#TRMPBF is a step-up DC/DC converter that converts a lower input voltage to a higher output voltage. It utilizes an inductor and a switch to store energy during the switch-on period and release it to the output during the switch-off period. This process allows for efficient voltage boosting.

The IC incorporates a feedback mechanism to regulate the output voltage, ensuring stability and accuracy. The enable pin allows for control of the converter's operation, enabling power-saving modes when necessary.

Detailed Application Field Plans

The LT3467AIDDB#TRMPBF is commonly used in various applications, including:

  1. Portable Devices: It provides efficient power management for battery-powered devices such as smartphones, tablets, and portable media players.
  2. Industrial Equipment: The IC is suitable for powering sensors, actuators, and other components in industrial automation systems.
  3. Automotive Electronics: It can be utilized in automotive applications, providing stable power supply for infotainment systems, lighting, and other electronic modules.
  4. LED Lighting: The LT3467AIDDB#TRMPBF is capable of driving LED strings, making it ideal for LED lighting applications.

Detailed and Complete Alternative Models

  1. LT3468AIDDB#TRMPBF: Similar to LT3467AIDDB#TRMPBF but with a higher switching frequency of 2MHz.
  2. LT3469AIDDB#TRMPBF: Step-up DC/DC converter with a lower quiescent current of 20µA.
  3. LT3470AIDDB#TRMPBF: Step-up DC/DC converter with a wider input voltage range of 1.6V to 18V.

These alternative models offer similar functionality and can be considered as alternatives to the LT3467AIDDB#TRMPBF based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT3467AIDDB#TRMPBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT3467AIDDB#TRMPBF in technical solutions:

  1. Q: What is the LT3467AIDDB#TRMPBF? A: The LT3467AIDDB#TRMPBF is a specific model of a high-efficiency, multi-topology DC/DC converter integrated circuit (IC) manufactured by Linear Technology.

  2. Q: What are the key features of the LT3467AIDDB#TRMPBF? A: Some key features of the LT3467AIDDB#TRMPBF include a wide input voltage range, high efficiency, adjustable output voltage, low quiescent current, and various protection features.

  3. Q: What are the typical applications of the LT3467AIDDB#TRMPBF? A: The LT3467AIDDB#TRMPBF is commonly used in applications such as portable devices, battery-powered systems, LED lighting, and other low-power electronic systems.

  4. Q: How does the LT3467AIDDB#TRMPBF achieve high efficiency? A: The LT3467AIDDB#TRMPBF achieves high efficiency through its synchronous rectification, low quiescent current, and optimized power management techniques.

  5. Q: Can the output voltage of the LT3467AIDDB#TRMPBF be adjusted? A: Yes, the output voltage of the LT3467AIDDB#TRMPBF can be adjusted using external resistors or feedback components.

  6. Q: What is the maximum input voltage that the LT3467AIDDB#TRMPBF can handle? A: The LT3467AIDDB#TRMPBF can handle a maximum input voltage of typically up to 36V.

  7. Q: Does the LT3467AIDDB#TRMPBF provide any protection features? A: Yes, the LT3467AIDDB#TRMPBF provides various protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  8. Q: Can the LT3467AIDDB#TRMPBF drive LEDs directly? A: Yes, the LT3467AIDDB#TRMPBF can drive LEDs directly by providing a constant current output.

  9. Q: Is the LT3467AIDDB#TRMPBF suitable for battery-powered applications? A: Yes, the LT3467AIDDB#TRMPBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  10. Q: Are there any evaluation boards or reference designs available for the LT3467AIDDB#TRMPBF? A: Yes, Linear Technology provides evaluation boards and reference designs for the LT3467AIDDB#TRMPBF, which can help in the development and implementation of the IC in various applications.

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