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LTC3130EUDC

LTC3130EUDC

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Adjustable Output Voltage - Small Package Size

Package: 16-Lead QFN

Essence: The LTC3130EUDC is a high-efficiency, low quiescent current synchronous buck-boost converter. It is designed to regulate the output voltage over a wide range of input voltages, making it suitable for various power management applications.

Packaging/Quantity: The LTC3130EUDC is available in a 16-Lead QFN package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V - 20V
  • Output Voltage Range: 1.8V - 20V
  • Maximum Output Current: 600mA
  • Switching Frequency: 1MHz
  • Quiescent Current: 6µA
  • Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3130EUDC has a 16-pin configuration as follows:

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

Functional Features

  • Synchronous Buck-Boost Conversion: Allows the LTC3130EUDC to regulate the output voltage efficiently over a wide range of input voltages.
  • Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility in various applications.
  • Low Quiescent Current: With a quiescent current of only 6µA, the LTC3130EUDC minimizes power consumption during standby or low-load conditions.
  • Soft-Start Function: The soft-start feature ensures a controlled and gradual increase in output voltage during startup, preventing excessive inrush current.

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Small package size - Adjustable output voltage

Disadvantages: - Limited maximum output current (600mA)

Working Principles

The LTC3130EUDC utilizes a synchronous buck-boost topology to regulate the output voltage. It employs a high-frequency switching technique to efficiently step up or step down the input voltage, depending on the required output voltage. The integrated control circuitry ensures stable and accurate regulation, while the synchronous rectification minimizes power losses.

Detailed Application Field Plans

The LTC3130EUDC is suitable for a wide range of power management applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - IoT devices

Detailed and Complete Alternative Models

  1. LTC3112EUDC: Similar specifications and features, with a higher maximum output current of 1A.
  2. LTC3125EUDC: Step-up DC/DC converter with similar characteristics, designed for higher output voltages.

These alternative models offer similar functionality and can be considered as substitutes for the LTC3130EUDC based on specific application requirements.

In conclusion, the LTC3130EUDC is a versatile power management IC that offers high efficiency, low quiescent current, and adjustable output voltage. Its compact package size and wide input voltage range make it suitable for various applications in different industries. While it has a limited maximum output current, there are alternative models available with higher current capabilities.

Énumérez 10 questions et réponses courantes liées à l'application de LTC3130EUDC dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of LTC3130EUDC in technical solutions:

  1. Q: What is LTC3130EUDC? A: LTC3130EUDC is a high-efficiency, synchronous buck-boost DC/DC converter designed for applications requiring wide input voltage ranges.

  2. Q: What is the input voltage range of LTC3130EUDC? A: The input voltage range of LTC3130EUDC is from 2.5V to 20V.

  3. Q: What is the output voltage range of LTC3130EUDC? A: The output voltage range of LTC3130EUDC is from 1.8V to 14V.

  4. Q: What is the maximum output current of LTC3130EUDC? A: The maximum output current of LTC3130EUDC is 600mA.

  5. Q: Can LTC3130EUDC operate in both buck and boost modes? A: Yes, LTC3130EUDC can operate in both buck and boost modes, allowing it to regulate the output voltage higher or lower than the input voltage.

  6. Q: Does LTC3130EUDC have built-in protection features? A: Yes, LTC3130EUDC has built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  7. Q: What is the efficiency of LTC3130EUDC? A: The efficiency of LTC3130EUDC can reach up to 95% depending on the input and output voltage conditions.

  8. Q: Can LTC3130EUDC be used in battery-powered applications? A: Yes, LTC3130EUDC is suitable for battery-powered applications due to its wide input voltage range and low quiescent current.

  9. Q: What type of package does LTC3130EUDC come in? A: LTC3130EUDC is available in a 16-lead QFN package.

  10. Q: Are there any evaluation boards or reference designs available for LTC3130EUDC? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC3130EUDC to help with the development process.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and application notes for detailed information.