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ET4040QI
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ET4040QI

Product Overview

Category

ET4040QI belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection

Package

ET4040QI comes in a compact and durable package, designed to withstand various environmental conditions.

Essence

The essence of ET4040QI lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

ET4040QI is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V - 5.5V
  • Output Voltage Range: 0.6V - 3.6V
  • Maximum Output Current: 4A
  • Dropout Voltage: 200mV (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

Functional Features

  • High efficiency conversion
  • Fast transient response
  • Adjustable output voltage
  • Overcurrent and thermal protection
  • Low quiescent current

Advantages

  • Compact size and lightweight
  • Wide input voltage range allows for versatile applications
  • Excellent load and line regulation
  • Robust protection features ensure device safety
  • Low power consumption

Disadvantages

  • Limited maximum output current compared to some other models
  • Higher cost compared to basic voltage regulators

Working Principles

ET4040QI operates on the principle of switching voltage regulation. It utilizes a control circuit to monitor and adjust the output voltage based on the feedback received from the FB pin. The internal power MOSFETs efficiently regulate the input voltage to provide a stable output voltage.

Detailed Application Field Plans

ET4040QI finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable gaming consoles - Wireless communication systems - Industrial automation equipment - Battery-powered devices

Detailed and Complete Alternative Models

  1. LM1117-3.3: A popular linear voltage regulator with similar specifications.
  2. TPS54331: A buck converter with adjustable output voltage and higher maximum output current.
  3. LT1763: A low dropout voltage regulator with excellent load regulation.

These alternative models offer different features and specifications, providing options for specific application requirements.

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10個與ET4040QI在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of ET4040QI in technical solutions:

  1. Question: What is ET4040QI?
    - Answer: ET4040QI is a specific model of DC-DC converter module commonly used in technical solutions.

  2. Question: What is the input voltage range of ET4040QI?
    - Answer: The input voltage range of ET4040QI is typically between 4.5V and 18V.

  3. Question: What is the output voltage range of ET4040QI?
    - Answer: The output voltage range of ET4040QI can be adjusted from 0.6V to 5.5V.

  4. Question: What is the maximum output current of ET4040QI?
    - Answer: The maximum output current of ET4040QI is usually around 4A.

  5. Question: Can ET4040QI handle both step-up and step-down conversions?
    - Answer: No, ET4040QI is specifically designed for step-down (buck) conversions only.

  6. Question: Is ET4040QI suitable for battery-powered applications?
    - Answer: Yes, ET4040QI is often used in battery-powered applications due to its efficiency and low power consumption.

  7. Question: Does ET4040QI have built-in protection features?
    - Answer: Yes, ET4040QI typically includes over-current protection, thermal shutdown, and under-voltage lockout features.

  8. Question: Can ET4040QI operate in a wide temperature range?
    - Answer: Yes, ET4040QI is designed to operate reliably in a wide temperature range, usually from -40°C to +85°C.

  9. Question: Are there any recommended external components to use with ET4040QI?
    - Answer: Yes, it is recommended to use input and output capacitors, as well as an inductor, according to the manufacturer's guidelines.

  10. Question: Can ET4040QI be used in automotive applications?
    - Answer: Yes, ET4040QI is often suitable for automotive applications, but it is important to ensure it meets the specific requirements and standards of automotive electronics.

Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of ET4040QI.