Maxim Integrated
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MAX6425UK27+T
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MAX6425UK27+T

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Low Quiescent Current
  • Package: SOT23-5
  • Essence: Regulates voltage with low power consumption
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage: 2.7V
  • Dropout Voltage: 120mV at 100mA
  • Quiescent Current: 10µA (typical)
  • Load Regulation: ±0.1% (typical)
  • Line Regulation: ±0.05% (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6425UK27+T has a total of five pins arranged as follows:

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

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • Low quiescent current minimizes power consumption during standby or idle mode.
  • Enable pin allows for easy on/off control of the regulator.
  • Excellent load and line regulation ensure stable output voltage under varying conditions.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient voltage regulation. - Low quiescent current prolongs battery life in portable applications. - Small package size (SOT23-5) allows for space-saving designs. - Wide operating temperature range makes it suitable for various environments.

Disadvantages: - Limited output voltage options (only 2.7V). - Not suitable for high-power applications due to its low current handling capability.

Working Principles

The MAX6425UK27+T is a low dropout voltage regulator that maintains a stable output voltage of 2.7V, even when the input voltage varies within the specified range. It achieves this by utilizing a pass transistor that adjusts its resistance to compensate for changes in load and line conditions. The enable pin allows the user to control the regulator's operation, enabling power-saving modes when not required.

Detailed Application Field Plans

The MAX6425UK27+T finds applications in various fields, including but not limited to: - Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components. - Portable consumer electronics: Suitable for powering audio amplifiers, LCD displays, and RF modules. - Industrial automation: Used in low-power sensor nodes, actuators, and control systems. - Automotive electronics: Provides stable voltage for microcontrollers, sensors, and lighting systems.

Detailed and Complete Alternative Models

  1. MAX6426UK26+T: Output voltage of 2.6V, otherwise similar specifications.
  2. MAX6427UK28+T: Output voltage of 2.8V, otherwise similar specifications.
  3. MAX6428UK29+T: Output voltage of 2.9V, otherwise similar specifications.
  4. MAX6429UK30+T: Output voltage of 3.0V, otherwise similar specifications.

These alternative models offer different output voltage options while maintaining similar characteristics and package types.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6425UK27+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX6425UK27+T in technical solutions:

  1. Question: What is the operating voltage range for MAX6425UK27+T?
    Answer: The operating voltage range for MAX6425UK27+T is from 2.7V to 5.5V.

  2. Question: Can I use MAX6425UK27+T to control multiple devices simultaneously?
    Answer: Yes, MAX6425UK27+T has three open-drain outputs that can be used to control multiple devices.

  3. Question: How much current can each output of MAX6425UK27+T sink?
    Answer: Each output of MAX6425UK27+T can sink up to 25mA of current.

  4. Question: Is it possible to adjust the threshold voltage for the power-on reset function?
    Answer: Yes, the threshold voltage for the power-on reset function can be adjusted using external resistors.

  5. Question: Can MAX6425UK27+T be used in battery-powered applications?
    Answer: Yes, MAX6425UK27+T is suitable for battery-powered applications due to its low quiescent current consumption.

  6. Question: Does MAX6425UK27+T have any built-in protection features?
    Answer: Yes, MAX6425UK27+T includes thermal shutdown and reverse-current protection features.

  7. Question: Can I use MAX6425UK27+T in automotive applications?
    Answer: Yes, MAX6425UK27+T is qualified for automotive applications and operates over a wide temperature range.

  8. Question: What is the typical response time for the power-on reset function?
    Answer: The typical response time for the power-on reset function of MAX6425UK27+T is 20ms.

  9. Question: Can I use MAX6425UK27+T in both 3.3V and 5V systems?
    Answer: Yes, MAX6425UK27+T is compatible with both 3.3V and 5V systems.

  10. Question: Does MAX6425UK27+T require any external components for operation?
    Answer: Yes, MAX6425UK27+T requires an external capacitor to set the power-on reset delay time.

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