Linear Technology/Analog Devices
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
LTC3862EFE

LTC3862EFE

Product Overview

Category

LTC3862EFE 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
  • Low quiescent current

Package

LTC3862EFE comes in a small form factor package, typically a 16-pin TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of LTC3862EFE lies in its ability to efficiently regulate power in various electronic devices.

Packaging/Quantity

LTC3862EFE is usually 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 24V
  • Maximum Output Current: 3A
  • Quiescent Current: 40µA
  • Switching Frequency: 200kHz to 2MHz
  • 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. COMP: Compensation pin for loop stability
  5. SS: Soft-start pin for controlled startup
  6. SYNC: Synchronization pin for external clock synchronization
  7. VCC: Supply voltage pin for internal control circuitry
  8. PGND: Power ground pin
  9. SW: Switching node pin
  10. BST: Boost pin for higher output voltage operation
  11. EN: Enable pin for turning on/off the device
  12. RT: Timing resistor pin for setting switching frequency
  13. SS/TRK: Soft-start/tracking pin for controlled startup and output voltage tracking
  14. VOUT: Output voltage pin
  15. ITH: Current sense threshold pin for current limit adjustment
  16. SS/TRK: Soft-start/tracking pin for controlled startup and output voltage tracking

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency conversion minimizes power loss.
  • Adjustable output voltage enables customization for specific requirements.
  • Low quiescent current reduces standby power consumption.
  • Synchronization capability allows for system integration.

Advantages and Disadvantages

Advantages

  • High efficiency operation
  • Wide input voltage range
  • Adjustable output voltage
  • Low quiescent current

Disadvantages

  • Limited maximum output current (3A)

Working Principles

LTC3862EFE operates as a step-down DC-DC converter, converting a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to efficiently regulate the output voltage. The device employs a feedback mechanism to continuously monitor and adjust the output voltage based on the desired setpoint. By controlling the duty cycle of the internal switches, LTC3862EFE achieves high efficiency power conversion.

Detailed Application Field Plans

LTC3862EFE finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications - Power supplies - Battery-powered systems

Detailed and Complete Alternative Models

  1. LTC3862-1: Similar specifications with enhanced features.
  2. LTC3862-2: Lower maximum output current but improved efficiency.
  3. LTC3862-3: Higher maximum output current for demanding applications.
  4. LTC3862-4: Lower quiescent current for ultra-low power applications.

These alternative models provide options for different performance requirements and design constraints.

Word count: 455 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3862EFE en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC3862EFE in technical solutions:

  1. Q: What is LTC3862EFE? A: LTC3862EFE is a high-performance synchronous step-down DC/DC controller IC.

  2. Q: What is the input voltage range supported by LTC3862EFE? A: LTC3862EFE supports an input voltage range from 4.5V to 38V.

  3. Q: What is the output voltage range supported by LTC3862EFE? A: LTC3862EFE supports an output voltage range from 0.6V to 5.5V.

  4. Q: What is the maximum output current that can be delivered by LTC3862EFE? A: LTC3862EFE can deliver a maximum output current of up to 25A.

  5. Q: Does LTC3862EFE support synchronous rectification? A: Yes, LTC3862EFE supports synchronous rectification for improved efficiency.

  6. Q: Can LTC3862EFE operate in a wide temperature range? A: Yes, LTC3862EFE can operate in a temperature range from -40°C to 125°C.

  7. Q: What type of control loop does LTC3862EFE use? A: LTC3862EFE uses a voltage mode control loop.

  8. Q: Does LTC3862EFE have built-in protection features? A: Yes, LTC3862EFE has built-in protection features such as overvoltage protection, undervoltage lockout, and overcurrent protection.

  9. Q: Can LTC3862EFE be used in automotive applications? A: Yes, LTC3862EFE is suitable for automotive applications as it meets the AEC-Q100 standard.

  10. Q: What are some typical applications of LTC3862EFE? A: Some typical applications of LTC3862EFE include power supplies, industrial equipment, automotive systems, and telecom infrastructure.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.