Linear Technology/QD Devices
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LT1947EMS#PBF
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LT1947EMS#PBF

Product Overview

Category

LT1947EMS#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • Small form factor
  • High efficiency
  • Low power consumption

Package

LT1947EMS#PBF is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of LT1947EMS#PBF lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and energy conservation.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specified quantity of units per package.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1.5A
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1947EMS#PBF has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. SW: Switching pin
  4. FB: Feedback pin
  5. EN: Enable pin
  6. VOUT: Output voltage pin

Functional Features

  • High efficiency step-down DC-DC converter
  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start capability

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Wide input voltage range allows for versatile applications
  • Adjustable output voltage provides flexibility
  • Overcurrent and thermal protection ensure device safety
  • Soft-start feature prevents excessive inrush current

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

LT1947EMS#PBF operates as a step-down DC-DC converter, converting a higher input voltage to a lower output voltage. It utilizes switching techniques to efficiently regulate the output voltage while minimizing power losses.

Detailed Application Field Plans

LT1947EMS#PBF finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Detailed and Complete Alternative Models

  1. LT1946EMS#PBF
  2. LT1948EMS#PBF
  3. LT1949EMS#PBF
  4. LT1950EMS#PBF
  5. LT1951EMS#PBF

These alternative models offer similar functionality and characteristics to LT1947EMS#PBF, providing options for different design requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LT1947EMS#PBF en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of LT1947EMS#PBF in technical solutions:

  1. Q: What is the LT1947EMS#PBF? A: The LT1947EMS#PBF is a specific model number for a power management IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed for various technical applications.

  2. Q: What are the key features of the LT1947EMS#PBF? A: The LT1947EMS#PBF features include a wide input voltage range, high efficiency, low quiescent current, adjustable output voltage, and overcurrent protection.

  3. Q: What are the typical applications of the LT1947EMS#PBF? A: The LT1947EMS#PBF is commonly used in battery-powered systems, portable devices, industrial equipment, automotive electronics, and other applications where efficient power management is required.

  4. Q: What is the input voltage range supported by the LT1947EMS#PBF? A: The LT1947EMS#PBF supports an input voltage range from 2.5V to 36V, making it suitable for a wide range of power supply sources.

  5. Q: Can the output voltage of the LT1947EMS#PBF be adjusted? A: Yes, the output voltage of the LT1947EMS#PBF can be adjusted using external resistors, allowing flexibility in meeting specific voltage requirements.

  6. Q: Does the LT1947EMS#PBF have any built-in protection features? A: Yes, the LT1947EMS#PBF includes overcurrent protection, which helps safeguard the circuit against excessive current draw or short circuits.

  7. Q: What is the efficiency of the LT1947EMS#PBF? A: The LT1947EMS#PBF offers high efficiency, typically above 90%, ensuring minimal power loss during voltage conversion.

  8. Q: Can the LT1947EMS#PBF operate in a wide temperature range? A: Yes, the LT1947EMS#PBF is designed to operate reliably in a wide temperature range, typically from -40°C to +125°C.

  9. Q: Is the LT1947EMS#PBF available in different package options? A: Yes, the LT1947EMS#PBF is available in various package options, including MSOP-10 and DFN-10, providing flexibility for different PCB layouts.

  10. Q: Where can I find more detailed information about the LT1947EMS#PBF? A: You can refer to the datasheet provided by Analog Devices or visit their official website for comprehensive technical documentation on the LT1947EMS#PBF.