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LT8391EFE#PBF

LT8391EFE#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Compact package size

Package: 16-Lead TSSOP

Essence: The LT8391EFE#PBF is a versatile power management IC designed for various applications requiring efficient power conversion.

Packaging/Quantity: Available in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 4V to 60V
  • Output Voltage Range: 0.8V to 60V
  • Maximum Switching Frequency: 2MHz
  • Operating Temperature Range: -40°C to 125°C
  • Efficiency: Up to 95%
  • Quiescent Current: 50µA

Detailed Pin Configuration

The LT8391EFE#PBF has a 16-lead TSSOP package with the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. SW: Switch node connection
  4. FB: Feedback pin for output voltage regulation
  5. VCC: Supply voltage for internal circuitry
  6. COMP: Compensation pin for loop stability
  7. SS: Soft-start pin for controlling startup behavior
  8. RT: External resistor connected to set switching frequency
  9. SYNC: Synchronization pin for external clock input
  10. EN/UVLO: Enable/Undervoltage lockout control pin
  11. MODE: Mode selection pin for different operating modes
  12. PGND: Power ground
  13. ITH: Current sense threshold setting pin
  14. LX: Inductor connection
  15. VOUT: Output voltage
  16. NC: No connection

Functional Features

  • Wide input voltage range allows for versatile applications
  • High efficiency enables energy-saving operation
  • Adjustable output voltage provides flexibility in power conversion
  • Internal compensation simplifies design and improves stability
  • Synchronization capability for multi-phase operation
  • Soft-start feature prevents excessive inrush current during startup
  • Enable/Undervoltage lockout control ensures safe operation

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Wide input voltage range accommodates various power sources - Compact package size saves board space - Versatile functionality suitable for different applications

Disadvantages: - Limited maximum switching frequency compared to some other ICs - Requires external components for certain features

Working Principles

The LT8391EFE#PBF operates as a synchronous buck-boost DC/DC converter. It utilizes a high-performance controller to regulate the output voltage efficiently. The IC employs a constant frequency, current mode architecture to ensure stable and reliable operation across a wide input voltage range.

Detailed Application Field Plans

The LT8391EFE#PBF can be used in various applications, including but not limited to: - Battery-powered systems - Automotive electronics - Industrial equipment - LED lighting - Telecom infrastructure

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT8391EFE#PBF are: - LT8390: Similar specifications with a different pin configuration - LT8392: Higher maximum switching frequency and additional features - LT8393: Lower quiescent current and wider input voltage range

These alternative models provide options for designers based on specific requirements and constraints.

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Orodhesha maswali na majibu 10 ya kawaida yanayohusiana na utumiaji wa LT8391EFE#PBF katika suluhu za kiufundi

Sure! Here are 10 common questions and answers related to the application of LT8391EFE#PBF in technical solutions:

Q1: What is LT8391EFE#PBF? A1: LT8391EFE#PBF is a specific model number for a power management IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed for various applications in power electronics.

Q2: What are the key features of LT8391EFE#PBF? A2: Some key features of LT8391EFE#PBF include high efficiency, wide input voltage range, synchronous rectification, adjustable frequency, and multiple protection features.

Q3: What are the typical applications of LT8391EFE#PBF? A3: LT8391EFE#PBF can be used in various applications such as LED lighting, automotive systems, industrial automation, telecommunications, and renewable energy systems.

Q4: What is the maximum input voltage supported by LT8391EFE#PBF? A4: The maximum input voltage supported by LT8391EFE#PBF is typically around 100V, but it may vary depending on the specific datasheet and operating conditions.

Q5: Can LT8391EFE#PBF operate with both AC and DC inputs? A5: Yes, LT8391EFE#PBF can operate with both AC and DC inputs, making it suitable for a wide range of power supply applications.

Q6: Does LT8391EFE#PBF have built-in protection features? A6: Yes, LT8391EFE#PBF has built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation.

Q7: How can I adjust the output voltage of LT8391EFE#PBF? A7: The output voltage of LT8391EFE#PBF can be adjusted using an external resistor divider network connected to the feedback pin.

Q8: Can LT8391EFE#PBF support dimming control for LED lighting applications? A8: Yes, LT8391EFE#PBF supports various dimming control methods such as analog dimming, PWM dimming, and frequency synchronization for LED lighting applications.

Q9: Is LT8391EFE#PBF available in different package options? A9: Yes, LT8391EFE#PBF is available in different package options such as the 16-lead TSSOP and 4mm x 4mm QFN, providing flexibility for different PCB layouts.

Q10: Where can I find more information about LT8391EFE#PBF? A10: You can find more detailed information about LT8391EFE#PBF, including datasheets, application notes, and technical support, on the Analog Devices website or by contacting their customer support.