Linear Technology/Analog Devices
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LT8390HUFD#PBF
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LT8390HUFD#PBF

Product Overview

Category

LT8390HUFD#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Adjustable output voltage
  • Current mode control
  • Synchronous rectification

Package

LT8390HUFD#PBF is available in a compact and durable package, ensuring easy integration into various electronic systems.

Essence

The essence of LT8390HUFD#PBF lies in its ability to efficiently regulate power in a wide range of applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 60V
  • Maximum Switching Frequency: 2MHz
  • Maximum Output Current: 3A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. SYNC/SS: Synchronization and soft-start pin
  5. VCC: Supply voltage pin
  6. SW: Switching node pin
  7. PGND: Power ground pin
  8. SS/TR: Soft-start and tracking pin
  9. EN/UVLO: Enable and undervoltage lockout pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High efficiency ensures minimal power loss
  • Adjustable output voltage provides flexibility in system design
  • Current mode control enables stable and reliable operation
  • Synchronous rectification improves overall efficiency

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings
  • Wide input voltage range accommodates various power sources
  • Adjustable output voltage allows for customization
  • Current mode control enhances stability and performance
  • Synchronous rectification improves overall efficiency

Disadvantages

  • Limited maximum output current of 3A may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

LT8390HUFD#PBF operates on the principle of current mode control, where the output voltage is regulated by adjusting the duty cycle of the internal switch. This ensures stable and efficient power management.

Detailed Application Field Plans

LT8390HUFD#PBF finds extensive use in the following application fields:

  1. Industrial automation systems
  2. Automotive electronics
  3. Telecommunications equipment
  4. Renewable energy systems
  5. Consumer electronics

Detailed and Complete Alternative Models

  1. LT8390HMPBF: Similar to LT8390HUFD#PBF, but available in a different package.
  2. LT8390IUPBF: Higher maximum output current of 5A, suitable for more demanding applications.
  3. LT8390LFPBF: Lower maximum output current of 2A, ideal for low-power applications.

These alternative models offer similar functionality with slight variations to cater to specific requirements.

In conclusion, LT8390HUFD#PBF is a versatile integrated circuit used for power management applications. With its wide input voltage range, adjustable output voltage, and high efficiency, it offers numerous advantages. However, its limited maximum output current and operating temperature range should be considered when selecting this product. Its working principle, detailed application field plans, and alternative models provide further insights into its capabilities and potential uses.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LT8390HUFD#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LT8390HUFD#PBF in technical solutions:

  1. Q: What is the LT8390HUFD#PBF? A: The LT8390HUFD#PBF is a high voltage synchronous buck-boost DC/DC controller manufactured by Analog Devices.

  2. Q: What is the input voltage range of the LT8390HUFD#PBF? A: The LT8390HUFD#PBF can operate with an input voltage range from 4.5V to 60V.

  3. Q: What is the output voltage range of the LT8390HUFD#PBF? A: The LT8390HUFD#PBF can generate an output voltage ranging from 0.8V to 60V.

  4. Q: What is the maximum output current of the LT8390HUFD#PBF? A: The LT8390HUFD#PBF can deliver a maximum output current of up to 10A.

  5. Q: Can the LT8390HUFD#PBF be used for both step-up and step-down applications? A: Yes, the LT8390HUFD#PBF is a versatile buck-boost controller that can be used for both step-up and step-down voltage conversions.

  6. Q: Does the LT8390HUFD#PBF require an external MOSFET? A: Yes, the LT8390HUFD#PBF requires an external N-channel MOSFET for its operation.

  7. Q: What is the switching frequency of the LT8390HUFD#PBF? A: The LT8390HUFD#PBF has a programmable switching frequency ranging from 100kHz to 1MHz.

  8. Q: Can the LT8390HUFD#PBF be synchronized to an external clock? A: Yes, the LT8390HUFD#PBF can be synchronized to an external clock for applications requiring precise timing.

  9. Q: Does the LT8390HUFD#PBF have built-in protection features? A: Yes, the LT8390HUFD#PBF includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  10. Q: What are some typical applications of the LT8390HUFD#PBF? A: The LT8390HUFD#PBF is commonly used in automotive, industrial, and telecom applications where a wide input voltage range and high efficiency buck-boost conversion is required.

Please note that the answers provided here are general and may vary depending on specific design considerations and requirements. It is always recommended to refer to the datasheet and application notes for detailed information and guidelines when using the LT8390HUFD#PBF in technical solutions.