Linear Technology/Analog Devices
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LTC3634EFE

LTC3634EFE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
  • Package: 20-Lead TSSOP
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tube/100 pieces

Specifications

  • Input Voltage Range: 2.25V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Quiescent Current: 6µA
  • Switching Frequency: 1MHz
  • Maximum Output Current: 600mA
  • Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3634EFE has a 20-lead TSSOP package with the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. SW: Switch Node Connection
  4. FB: Feedback Voltage Input
  5. VOUT: Output Voltage
  6. SS: Soft-Start Capacitor Connection
  7. PGND: Power Ground
  8. EN: Enable Pin
  9. VCC: Supply Voltage for Internal Circuitry
  10. BST: Boost Voltage Input
  11. AGND: Analog Ground
  12. LX: Inductor Connection
  13. LX: Inductor Connection
  14. LX: Inductor Connection
  15. LX: Inductor Connection
  16. LX: Inductor Connection
  17. LX: Inductor Connection
  18. LX: Inductor Connection
  19. LX: Inductor Connection
  20. LX: Inductor Connection

Functional Features

  • High efficiency synchronous step-down regulator
  • Low quiescent current for extended battery life
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage
  • Soft-start feature for controlled startup

Advantages and Disadvantages

Advantages

  • High efficiency operation reduces power dissipation
  • Low quiescent current extends battery life
  • Wide input voltage range allows for flexibility in power sources
  • Adjustable output voltage suits various applications
  • Soft-start feature prevents excessive inrush current during startup

Disadvantages

  • Limited maximum output current of 600mA may not be sufficient for high-power applications
  • Requires external components for proper operation

Working Principles

The LTC3634EFE is a synchronous step-down regulator that converts a higher input voltage to a lower output voltage. It achieves high efficiency by utilizing synchronous rectification and a low quiescent current, making it suitable for battery-powered devices. The adjustable output voltage allows for customization based on the specific application requirements. The soft-start feature ensures a controlled startup, preventing excessive inrush current.

Detailed Application Field Plans

The LTC3634EFE can be used in various applications, including but not limited to:

  1. Portable electronic devices
  2. Battery-powered systems
  3. IoT (Internet of Things) devices
  4. Wearable technology
  5. Industrial equipment
  6. Automotive electronics

Detailed and Complete Alternative Models

  1. LTC3634IMSE: 10-Lead MSOP package, similar specifications
  2. LTC3634HFE: 20-Lead TSSOP package, higher maximum output current
  3. LTC3634IFE: 16-Lead TSSOP package, lower quiescent current

These alternative models offer similar functionality with slight variations in package type, maximum output current, and quiescent current.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LTC3634EFE en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LTC3634EFE in technical solutions:

  1. Q: What is LTC3634EFE? A: LTC3634EFE is a high-efficiency, synchronous buck regulator IC designed for low-power applications.

  2. Q: What is the input voltage range of LTC3634EFE? A: The input voltage range of LTC3634EFE is typically between 2.25V and 5.5V.

  3. Q: What is the output voltage range of LTC3634EFE? A: The output voltage range of LTC3634EFE can be set from 0.6V to VIN.

  4. Q: What is the maximum output current of LTC3634EFE? A: LTC3634EFE can deliver a maximum output current of up to 3A.

  5. Q: Is LTC3634EFE suitable for battery-powered applications? A: Yes, LTC3634EFE is well-suited for battery-powered applications due to its low quiescent current and high efficiency.

  6. Q: Does LTC3634EFE have built-in protection features? A: Yes, LTC3634EFE includes various protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  7. Q: Can LTC3634EFE operate in a wide temperature range? A: Yes, LTC3634EFE is designed to operate in a temperature range of -40°C to 125°C.

  8. Q: What type of package does LTC3634EFE come in? A: LTC3634EFE is available in a 16-lead TSSOP package.

  9. Q: Can LTC3634EFE be used in automotive applications? A: Yes, LTC3634EFE is suitable for automotive applications as it meets the necessary requirements and standards.

  10. Q: Are there any evaluation boards or reference designs available for LTC3634EFE? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs to help users get started with LTC3634EFE in their applications.

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