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LT3640IFE#TRPBF
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LT3640IFE#TRPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
  • Package: 16-Lead TSSOP
  • Essence: Voltage Step-Up Converter
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 20V
  • Output Voltage Range: 4V to 60V
  • Switching Frequency: 1MHz
  • Quiescent Current: 40µA
  • Maximum Output Current: 400mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. SW: Switch Node
  3. GND: Ground
  4. FB: Feedback Pin
  5. EN: Enable Pin
  6. SS: Soft-Start Pin
  7. VOUT: Output Voltage
  8. PGND: Power Ground

Functional Features

  • High Efficiency: The LT3640IFE#TRPBF offers high efficiency conversion, minimizing power losses.
  • Low Quiescent Current: With a low quiescent current of 40µA, it reduces power consumption during standby or idle periods.
  • Wide Input Voltage Range: The IC can accept input voltages ranging from 2.5V to 20V, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - High efficiency conversion - Low quiescent current - Wide input voltage range

Disadvantages: - Limited maximum output current (400mA)

Working Principles

The LT3640IFE#TRPBF is a voltage step-up converter that utilizes a high switching frequency of 1MHz to efficiently boost the input voltage to a higher output voltage. It employs an internal power switch and synchronous rectification to achieve high efficiency conversion. The feedback pin (FB) is used to set the desired output voltage, while the enable pin (EN) allows for easy on/off control.

Detailed Application Field Plans

The LT3640IFE#TRPBF is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - LED lighting

Detailed and Complete Alternative Models

  1. LT3467IFE#TRPBF: Similar voltage step-up converter with a higher maximum output current of 600mA.
  2. LT3496IFE#TRPBF: Voltage step-up/down converter with a wider input voltage range and higher maximum output current of 1A.
  3. LT3652IFE#TRPBF: Voltage step-up converter with integrated MPPT (Maximum Power Point Tracking) for solar-powered applications.

Note: This is not an exhaustive list, and there are other alternative models available in the market.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LT3640IFE#TRPBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LT3640IFE#TRPBF in technical solutions:

  1. Q: What is the LT3640IFE#TRPBF? A: The LT3640IFE#TRPBF is a high-efficiency, synchronous step-down DC-DC converter.

  2. Q: What is the input voltage range of the LT3640IFE#TRPBF? A: The input voltage range of the LT3640IFE#TRPBF is from 3V to 15V.

  3. Q: What is the output voltage range of the LT3640IFE#TRPBF? A: The output voltage range of the LT3640IFE#TRPBF is from 0.6V to VIN.

  4. Q: What is the maximum output current of the LT3640IFE#TRPBF? A: The maximum output current of the LT3640IFE#TRPBF is 2A.

  5. Q: Is the LT3640IFE#TRPBF suitable for battery-powered applications? A: Yes, the LT3640IFE#TRPBF is suitable for battery-powered applications due to its low quiescent current and high efficiency.

  6. Q: Can the LT3640IFE#TRPBF operate in a wide temperature range? A: Yes, the LT3640IFE#TRPBF can operate in a temperature range from -40°C to 125°C.

  7. Q: Does the LT3640IFE#TRPBF have built-in protection features? A: Yes, the LT3640IFE#TRPBF has built-in protection features such as overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Q: Can the LT3640IFE#TRPBF be used in automotive applications? A: Yes, the LT3640IFE#TRPBF is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

  9. Q: What type of package does the LT3640IFE#TRPBF come in? A: The LT3640IFE#TRPBF comes in a 16-lead TSSOP package.

  10. Q: Are there any evaluation boards or reference designs available for the LT3640IFE#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for the LT3640IFE#TRPBF to help with its application in various technical solutions.

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