Linear Technology/Analog Devices
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LTC3546IFE

LTC3546IFE

Product Overview

Category

The LTC3546IFE belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - DC/DC switching regulators.

Use

This product is primarily used for voltage regulation in various electronic devices and systems, providing a stable and regulated power supply.

Characteristics

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.6V to 5V
  • Switching Frequency: 1.2MHz
  • Low Quiescent Current: 22μA
  • Package Type: 16-Lead Plastic TSSOP
  • High Efficiency: Up to 95%

Package

The LTC3546IFE is available in a 16-lead plastic Thin Shrink Small Outline Package (TSSOP), which provides a compact and durable housing for the integrated circuit.

Essence

The essence of LTC3546IFE lies in its ability to efficiently regulate voltage with minimal power consumption, making it suitable for battery-powered applications and portable devices.

Packaging/Quantity

The LTC3546IFE is typically supplied in reels containing a specific quantity, as per the manufacturer's packaging standards.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.6V to 5V
  • Quiescent Current: 22μA
  • Switching Frequency: 1.2MHz
  • Package Type: 16-Lead Plastic TSSOP
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3546IFE features a 16-pin configuration, including VIN, GND, SW, FB, EN, and other essential pins for input, output, feedback, and control functions.

Functional Features

  • High Efficiency: Up to 95% efficiency ensures minimal power loss during voltage regulation.
  • Low Quiescent Current: The IC maintains low standby power consumption, ideal for battery-operated devices.
  • Wide Input Voltage Range: Supports a broad range of input voltages, enhancing versatility in various applications.
  • Internal Compensation: Simplifies external circuitry requirements and enhances design flexibility.

Advantages and Disadvantages

Advantages

  • High efficiency
  • Low quiescent current
  • Wide input voltage range
  • Internal compensation for simplified design

Disadvantages

  • Limited output current capacity
  • Sensitive to external noise and interference

Working Principles

The LTC3546IFE operates on the principle of pulse-width modulation (PWM) to regulate the output voltage based on the input and feedback signals. It utilizes internal control circuitry to adjust the duty cycle of the switching regulator, ensuring a stable output voltage.

Detailed Application Field Plans

The LTC3546IFE is well-suited for a wide range of applications, including: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Wearable technology - Low-power sensor networks

Detailed and Complete Alternative Models

  • LTC3546EUFE: Similar specifications with enhanced ESD protection
  • LTC3546IDE: Smaller package size with similar performance characteristics
  • LTC3546BFE: Extended temperature range for harsh environments

In conclusion, the LTC3546IFE offers efficient voltage regulation with low power consumption, making it an ideal choice for diverse electronic applications, especially those requiring portable or battery-powered operation.

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Énumérez 10 questions et réponses courantes liées à l'application de LTC3546IFE dans les solutions techniques

Sure, here are 10 common questions and answers related to the application of LTC3546IFE:

  1. Q: What is the input voltage range of LTC3546IFE? A: The input voltage range is from 2.7V to 5.5V.

  2. Q: What is the output voltage range of LTC3546IFE? A: The output voltage range is adjustable from 0.6V to VIN.

  3. Q: What is the maximum output current of LTC3546IFE? A: The maximum output current is 300mA.

  4. Q: Can LTC3546IFE be used in battery-powered applications? A: Yes, LTC3546IFE is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.

  5. Q: Is LTC3546IFE suitable for portable devices? A: Yes, LTC3546IFE's small footprint and low external component count make it suitable for portable devices.

  6. Q: Does LTC3546IFE have built-in overcurrent protection? A: Yes, LTC3546IFE has built-in overcurrent protection to safeguard the load and the regulator during fault conditions.

  7. Q: Can LTC3546IFE operate in a wide temperature range? A: Yes, LTC3546IFE is designed to operate in a wide temperature range, making it suitable for various environmental conditions.

  8. Q: What type of package does LTC3546IFE come in? A: LTC3546IFE is available in a 10-Lead DFN package, which is compact and suitable for space-constrained designs.

  9. Q: Can LTC3546IFE be used in automotive applications? A: Yes, LTC3546IFE is suitable for automotive applications due to its wide input voltage range and robust design.

  10. Q: Is there a reference design available for LTC3546IFE? A: Yes, Linear Technology provides reference designs and application notes to assist with the implementation of LTC3546IFE in technical solutions.