Bild kan vara representation.
Se specifikationer för produktinformation.
LTC3450EUD#PBF

LTC3450EUD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency step-up DC/DC converter - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size

Package: 16-Lead QFN (Quad Flat No-Lead)

Essence: The LTC3450EUD#PBF is a high-efficiency step-up DC/DC converter designed for power management applications. It offers a wide input voltage range and an adjustable output voltage, making it suitable for various electronic devices.

Packaging/Quantity: The LTC3450EUD#PBF is available in a 16-Lead QFN package. The quantity per reel is typically 2500 units.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: 2.7V to 20V
  • Switching Frequency: 1MHz
  • Quiescent Current: 30µA
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC3450EUD#PBF has the following pin configuration:

```


| | --| VIN SW |-- --| GND FB |-- --| EN VOUT|-- --| PG LX |-- |___________| ```

  • VIN: Input Voltage
  • SW: Switch Node
  • GND: Ground
  • FB: Feedback Pin
  • EN: Enable Pin
  • VOUT: Output Voltage
  • PG: Power Good Indicator
  • LX: Inductor Connection

Functional Features

  1. High Efficiency: The LTC3450EUD#PBF offers high efficiency, ensuring minimal power loss during the conversion process.

  2. Low Quiescent Current: With a low quiescent current of only 30µA, the LTC3450EUD#PBF helps conserve power in standby or idle modes.

  3. Wide Input Voltage Range: The wide input voltage range allows the LTC3450EUD#PBF to be used with various power sources, enhancing its versatility.

  4. Adjustable Output Voltage: The output voltage can be adjusted according to the specific requirements of the application, providing flexibility in power management.

Advantages and Disadvantages

Advantages: - High efficiency operation - Low quiescent current for power conservation - Wide input voltage range for versatility - Adjustable output voltage for flexibility

Disadvantages: - Limited maximum output voltage (up to 20V) - Requires external components for proper operation

Working Principles

The LTC3450EUD#PBF operates as a step-up DC/DC converter. It takes an input voltage within the specified range and boosts it to a higher output voltage. This conversion is achieved through a combination of switching elements, inductors, capacitors, and control circuitry.

When enabled, the LTC3450EUD#PBF controls the flow of current through the inductor, storing energy during the on-time and releasing it during the off-time. This energy transfer results in the desired output voltage being generated.

Detailed Application Field Plans

The LTC3450EUD#PBF can be applied in various fields, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. Industrial equipment 4. Automotive applications 5. Communication systems

Its ability to efficiently convert and regulate power makes it suitable for applications that require stable and reliable power supply.

Detailed and Complete Alternative Models

  1. LTC3450EUD#TRPBF: Similar to LTC3450EUD#PBF, but available in tape and reel packaging.
  2. LTC3450EUD#5PBF: Variant with a fixed 5V output voltage.
  3. LTC3450EUD#12PBF: Variant with a fixed 12V output voltage.

These alternative models offer similar functionality and characteristics, providing options for different application requirements.

Word count: 525 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC3450EUD#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC3450EUD#PBF in technical solutions:

  1. Q: What is LTC3450EUD#PBF? A: LTC3450EUD#PBF is a specific model number for a power management integrated circuit (PMIC) manufactured by Linear Technology (now part of Analog Devices). It is designed for various technical applications.

  2. Q: What are the key features of LTC3450EUD#PBF? A: Some key features of LTC3450EUD#PBF include a wide input voltage range, high efficiency, low quiescent current, adjustable output voltage, and built-in protection features.

  3. Q: What are the typical applications of LTC3450EUD#PBF? A: LTC3450EUD#PBF can be used in a wide range of applications such as battery-powered devices, portable electronics, industrial equipment, automotive systems, and more.

  4. Q: What is the maximum input voltage that LTC3450EUD#PBF can handle? A: The maximum input voltage that LTC3450EUD#PBF can handle is typically around 36V, but it is always recommended to refer to the datasheet for accurate specifications.

  5. Q: Can LTC3450EUD#PBF operate with both step-up and step-down configurations? A: Yes, LTC3450EUD#PBF is a versatile PMIC that can operate in both step-up (boost) and step-down (buck) configurations, making it suitable for various voltage conversion requirements.

  6. Q: How efficient is LTC3450EUD#PBF? A: LTC3450EUD#PBF has high efficiency, typically above 90%, which helps to minimize power losses and maximize battery life in portable applications.

  7. Q: Does LTC3450EUD#PBF have any built-in protection features? A: Yes, LTC3450EUD#PBF incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation and protect the circuitry.

  8. Q: Can I adjust the output voltage of LTC3450EUD#PBF? A: Yes, LTC3450EUD#PBF has an adjustable output voltage feature that allows you to set the desired output voltage within a specified range using external resistors.

  9. Q: Is LTC3450EUD#PBF suitable for automotive applications? A: Yes, LTC3450EUD#PBF is designed to meet the requirements of automotive applications, including wide input voltage range, high temperature operation, and robust protection features.

  10. Q: Where can I find more information about LTC3450EUD#PBF? A: You can find detailed information about LTC3450EUD#PBF, including its datasheet, application notes, and technical support resources on the Analog Devices website or by contacting their customer support team.

Please note that the answers provided here are general and it is always recommended to refer to the official documentation and datasheet for accurate and up-to-date information about LTC3450EUD#PBF.