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MAX8868EUK33+T
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MAX8868EUK33+T

Product Overview

  • Category: Voltage Regulator
  • Use: Power management
  • Characteristics: Low dropout, low quiescent current
  • Package: SOT23-5
  • Essence: Regulates input voltage to a stable output voltage
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage: 3.3V
  • Dropout Voltage: 120mV at 100mA
  • Quiescent Current: 40µA (typical)
  • Load Regulation: ±0.1% (typical)
  • Line Regulation: ±0.05% (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8868EUK33+T has a total of five pins:

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

Functional Features

  • Low dropout voltage allows efficient regulation even with small input-output differentials.
  • Low quiescent current ensures minimal power consumption during standby or idle modes.
  • Excellent load and line regulation provide stable output voltage under varying conditions.
  • Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages: - Small package size enables space-saving designs. - Wide input voltage range allows compatibility with various power sources. - Low dropout voltage minimizes power dissipation. - Low quiescent current extends battery life in portable applications.

Disadvantages: - Limited output current capability may not be suitable for high-power applications. - SOT23-5 package may require additional thermal management for high-temperature environments.

Working Principles

The MAX8868EUK33+T is a low dropout linear voltage regulator. It regulates the input voltage to a stable 3.3V output voltage. The regulator uses a PNP pass transistor to achieve low dropout voltage, allowing it to regulate even when the input voltage is only slightly higher than the desired output voltage. The feedback pin (FB) is used to set the output voltage by connecting an external resistor divider network. The enable pin (EN) controls the on/off state of the regulator.

Detailed Application Field Plans

The MAX8868EUK33+T is commonly used in various applications, including but not limited to:

  1. Battery-powered devices: Portable electronics, handheld instruments, and wireless sensors.
  2. Automotive systems: Infotainment systems, dashboard displays, and lighting control modules.
  3. Industrial equipment: Data loggers, measurement devices, and control systems.
  4. Communication devices: Wireless routers, access points, and IoT devices.
  5. Consumer electronics: Set-top boxes, gaming consoles, and audio/video equipment.

Detailed and Complete Alternative Models

  1. MAX8868EUK25+: Output voltage of 2.5V
  2. MAX8868EUK18+: Output voltage of 1.8V
  3. MAX8868EUK50+: Output voltage of 5.0V
  4. MAX8868EUK12+: Output voltage of 1.2V
  5. MAX8868EUK15+: Output voltage of 1.5V

These alternative models provide different output voltage options to suit specific application requirements.

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기술 솔루션에 MAX8868EUK33+T 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MAX8868EUK33+T in technical solutions:

  1. Q: What is the MAX8868EUK33+T? A: The MAX8868EUK33+T is a low-dropout linear regulator (LDO) IC that provides a fixed output voltage of 3.3V.

  2. Q: What is the input voltage range for the MAX8868EUK33+T? A: The input voltage range for the MAX8868EUK33+T is typically between 2.5V and 6.5V.

  3. Q: What is the maximum output current of the MAX8868EUK33+T? A: The MAX8868EUK33+T can provide a maximum output current of 150mA.

  4. Q: Can the MAX8868EUK33+T operate with a higher input voltage than 6.5V? A: No, exceeding the maximum input voltage of 6.5V may damage the IC.

  5. Q: Is the MAX8868EUK33+T suitable for battery-powered applications? A: Yes, the low dropout voltage and low quiescent current make it suitable for battery-powered applications.

  6. Q: Does the MAX8868EUK33+T have built-in thermal protection? A: Yes, the MAX8868EUK33+T has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can I use the MAX8868EUK33+T in automotive applications? A: No, the MAX8868EUK33+T is not specifically designed for automotive applications and may not meet the required standards.

  8. Q: What is the typical dropout voltage of the MAX8868EUK33+T? A: The typical dropout voltage of the MAX8868EUK33+T is 120mV at 100mA load current.

  9. Q: Can I use the MAX8868EUK33+T in a noise-sensitive application? A: Yes, the MAX8868EUK33+T has excellent output voltage ripple rejection and is suitable for noise-sensitive applications.

  10. Q: Does the MAX8868EUK33+T require any external components for operation? A: Yes, the MAX8868EUK33+T requires input and output capacitors for stability and proper operation.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.