Linear Technology/Analog Devices
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LTC3617IUDD#TRPBF
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LTC3617IUDD#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size

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

Essence: The LTC3617IUDD#TRPBF is a power management IC designed for various applications that require efficient power conversion and regulation.

Packaging/Quantity: The LTC3617IUDD#TRPBF is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.25V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1A
  • Quiescent Current: 20µA
  • Switching Frequency: 2MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3617IUDD#TRPBF has 16 pins arranged as follows:

  1. VOUT
  2. SW
  3. GND
  4. FB
  5. EN
  6. SS
  7. PGND
  8. LX
  9. LX
  10. LX
  11. LX
  12. LX
  13. LX
  14. LX
  15. LX
  16. VIN

Functional Features

  • High efficiency synchronous buck regulator
  • Adjustable output voltage through feedback pin (FB)
  • Soft-start feature for controlled startup
  • Power good indicator (PGOOD) for output voltage monitoring
  • Enable pin (EN) for on/off control
  • Spread spectrum frequency modulation (SSFM) for reduced EMI emissions

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Small package size for space-constrained applications - Adjustable output voltage for flexibility

Disadvantages: - Limited maximum output current (1A) - Requires external components for operation

Working Principles

The LTC3617IUDD#TRPBF is a synchronous buck regulator that converts an input voltage into a lower, regulated output voltage. It utilizes high-efficiency power MOSFETs to minimize power losses and maximize overall efficiency. The output voltage can be adjusted by providing the desired feedback voltage through the FB pin.

During operation, the LTC3617IUDD#TRPBF switches the power MOSFETs on and off at a high frequency, allowing it to regulate the output voltage while minimizing ripple and noise. The soft-start feature ensures a controlled startup, preventing excessive inrush current.

Detailed Application Field Plans

The LTC3617IUDD#TRPBF is suitable for various applications that require efficient power conversion and regulation. Some potential application fields include:

  1. Portable electronic devices
  2. Battery-powered systems
  3. Industrial automation
  4. Automotive electronics
  5. IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3617IUDD#TRPBF are:

  1. LT8610ABEUJ#PBF
  2. TPS54332DDAR
  3. MAX17503GTL+

These models provide comparable features and can be considered as alternatives depending on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC3617IUDD#TRPBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC3617IUDD#TRPBF in technical solutions:

  1. Q: What is LTC3617IUDD#TRPBF? A: LTC3617IUDD#TRPBF 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 use in various technical solutions.

  2. Q: What are the key features of LTC3617IUDD#TRPBF? A: Some key features of LTC3617IUDD#TRPBF include high efficiency, low quiescent current, wide input voltage range, multiple output channels, and built-in protection features.

  3. Q: What is the input voltage range supported by LTC3617IUDD#TRPBF? A: LTC3617IUDD#TRPBF supports an input voltage range from 2.25V to 5.5V, making it suitable for a wide range of applications.

  4. Q: How many output channels does LTC3617IUDD#TRPBF have? A: LTC3617IUDD#TRPBF has two independent output channels, which can be configured to provide different voltages as per the application requirements.

  5. Q: What is the maximum output current supported by LTC3617IUDD#TRPBF? A: The maximum output current supported by each channel of LTC3617IUDD#TRPBF is typically around 1A, but it may vary depending on the specific operating conditions.

  6. Q: Can LTC3617IUDD#TRPBF operate in a wide temperature range? A: Yes, LTC3617IUDD#TRPBF is designed to operate in a wide temperature range, typically from -40°C to 125°C, making it suitable for various environments.

  7. Q: Does LTC3617IUDD#TRPBF have any built-in protection features? A: Yes, LTC3617IUDD#TRPBF incorporates several built-in protection features such as overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.

  8. Q: What are the typical applications of LTC3617IUDD#TRPBF? A: LTC3617IUDD#TRPBF can be used in a wide range of applications, including portable devices, industrial equipment, automotive systems, and battery-powered devices.

  9. Q: Can LTC3617IUDD#TRPBF be used in battery charging applications? A: Yes, LTC3617IUDD#TRPBF can be used in battery charging applications by configuring one of its output channels to provide the desired charging voltage.

  10. Q: Is there any evaluation board or reference design available for LTC3617IUDD#TRPBF? A: Yes, Analog Devices provides an evaluation board and reference design for LTC3617IUDD#TRPBF, which can help users quickly prototype and evaluate their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific requirements and operating conditions of your application. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.