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MAX8877EUK28+T
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MAX8877EUK28+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Low Quiescent Current, High Output Current
  • Package: SOT-23-5
  • Essence: Power Management IC
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage: 2.8V
  • Output Current: Up to 500mA
  • Dropout Voltage: 120mV at 100mA
  • Quiescent Current: 40µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8877EUK28+T has a total of five pins:

  1. VIN: Input voltage pin.
  2. GND: Ground pin.
  3. EN: Enable pin for turning the regulator on/off.
  4. FB: Feedback pin for setting the output voltage.
  5. VOUT: Output voltage pin.

Functional Features

  • Low dropout voltage ensures efficient power conversion even with low input voltages.
  • Low quiescent current minimizes power consumption during standby or idle modes.
  • High output current capability allows for powering a wide range of devices.
  • Built-in thermal shutdown and current limit protection enhance reliability and safety.

Advantages and Disadvantages

Advantages: - Compact SOT-23-5 package enables space-saving designs. - Wide input voltage range accommodates various power sources. - Excellent load and line regulation provide stable output voltage. - Low dropout voltage improves efficiency in battery-powered applications.

Disadvantages: - Limited output voltage options restrict versatility in certain applications. - Higher quiescent current compared to some alternative models may impact power efficiency in ultra-low-power systems.

Working Principles

The MAX8877EUK28+T is a low dropout linear voltage regulator. It regulates the input voltage to a fixed 2.8V output voltage with high accuracy. The regulator operates by comparing the feedback voltage (FB) with an internal reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set to the desired value. The enable (EN) pin controls the on/off state of the regulator.

Detailed Application Field Plans

The MAX8877EUK28+T finds applications in various electronic devices and systems, including but not limited to: - Battery-powered portable devices - Wireless communication modules - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

  1. MAX8887EUK28+T: Similar to MAX8877EUK28+T, but with a lower quiescent current of 20µA.
  2. MAX8867EUK28+T: Offers adjustable output voltage instead of fixed 2.8V.
  3. MAX8897EUK28+T: Provides higher output current capability of up to 800mA.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific requirements.

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技術ソリューションにおける MAX8877EUK28+T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MAX8877EUK28+T in technical solutions:

  1. Q: What is the MAX8877EUK28+T? A: The MAX8877EUK28+T is a low-dropout linear regulator (LDO) IC that provides a regulated output voltage of 2.8V.

  2. Q: What is the input voltage range for the MAX8877EUK28+T? A: The input voltage range for the MAX8877EUK28+T is typically between 2.5V and 6.5V.

  3. Q: What is the maximum output current of the MAX8877EUK28+T? A: The MAX8877EUK28+T can provide a maximum output current of 150mA.

  4. Q: Can the MAX8877EUK28+T operate in battery-powered applications? A: Yes, the MAX8877EUK28+T is suitable for battery-powered applications due to its low quiescent current and low dropout voltage.

  5. Q: Does the MAX8877EUK28+T have built-in thermal protection? A: Yes, the MAX8877EUK28+T includes thermal shutdown circuitry to protect against excessive temperature.

  6. Q: Can I use the MAX8877EUK28+T in automotive applications? A: No, the MAX8877EUK28+T is not specifically designed for automotive applications and may not meet the required specifications.

  7. Q: Is the MAX8877EUK28+T available in different package options? A: Yes, the MAX8877EUK28+T is available in a SOT23-5 package.

  8. Q: What is the typical dropout voltage of the MAX8877EUK28+T? A: The typical dropout voltage of the MAX8877EUK28+T is 120mV at 100mA load.

  9. Q: Can I use the MAX8877EUK28+T to power digital circuits? A: Yes, the MAX8877EUK28+T is suitable for powering digital circuits such as microcontrollers and sensors.

  10. Q: Does the MAX8877EUK28+T require any external components for operation? A: Yes, the MAX8877EUK28+T requires input and output capacitors for stability and proper operation.