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MAX668EUB+T
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MAX668EUB+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High efficiency, low dropout voltage, adjustable output voltage
  • Package: µMAX®
  • Essence: Linear regulator with internal current limit and thermal shutdown protection
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 11V
  • Output Voltage Range: 1.25V to 10V
  • Dropout Voltage: 200mV at 100mA load
  • Maximum Output Current: 150mA
  • Line Regulation: ±0.05% typical
  • Load Regulation: ±0.1% typical
  • Quiescent Current: 80µA typical
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX668EUB+T has the following pin configuration:

  1. GND: Ground connection
  2. IN: Input voltage supply
  3. ADJ: Adjustable output voltage
  4. OUT: Output voltage

Functional Features

  • Internal current limit and thermal shutdown protection ensure safe operation.
  • High efficiency allows for minimal power dissipation.
  • Adjustable output voltage provides flexibility in various applications.
  • Low dropout voltage enables operation even with low input voltages.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Adjustable output voltage allows customization for specific requirements. - Compact µMAX® package saves board space. - Internal current limit and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current may restrict certain high-power applications. - Narrow input voltage range may not be suitable for all scenarios.

Working Principles

The MAX668EUB+T is a linear voltage regulator that regulates the output voltage based on the input voltage and the desired output voltage set by the user. It operates by comparing the reference voltage with a feedback voltage derived from the output voltage. The internal circuitry adjusts the pass transistor to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The MAX668EUB+T is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronic equipment - Industrial control systems - Automotive electronics - Medical devices

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with higher maximum output current.
  2. LT1084: Adjustable voltage regulator with lower dropout voltage.
  3. LM1117: Fixed voltage regulator with a wide input voltage range.

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

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技術ソリューションにおける MAX668EUB+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 MAX668EUB+T in technical solutions:

  1. Q: What is the MAX668EUB+T? A: The MAX668EUB+T is a step-up DC-DC converter IC manufactured by Maxim Integrated. It is designed for boosting low input voltages to higher output voltages.

  2. Q: What is the input voltage range of MAX668EUB+T? A: The input voltage range of MAX668EUB+T is typically between 2.5V and 16V.

  3. Q: What is the output voltage range of MAX668EUB+T? A: The output voltage range of MAX668EUB+T can be adjusted from 4V to 28V using external components.

  4. Q: What is the maximum output current of MAX668EUB+T? A: The maximum output current of MAX668EUB+T is typically around 200mA.

  5. Q: Can MAX668EUB+T operate with a single-cell Li-ion battery as the input? A: Yes, MAX668EUB+T can operate with a single-cell Li-ion battery as long as the input voltage is within the specified range.

  6. Q: Does MAX668EUB+T have built-in over-temperature protection? A: Yes, MAX668EUB+T has built-in thermal shutdown protection to prevent overheating.

  7. Q: Can MAX668EUB+T be used in automotive applications? A: Yes, MAX668EUB+T is suitable for automotive applications as it can handle the required voltage ranges and has a wide operating temperature range.

  8. Q: Is there any adjustable soft-start feature in MAX668EUB+T? A: No, MAX668EUB+T does not have an adjustable soft-start feature. The startup time is fixed.

  9. Q: Can MAX668EUB+T be used in battery-powered devices? A: Yes, MAX668EUB+T can be used in battery-powered devices as it has a low quiescent current and supports low input voltages.

  10. Q: What are the typical applications of MAX668EUB+T? A: Some typical applications of MAX668EUB+T include LCD bias supplies, portable instruments, LED drivers, and battery-powered systems.

Please note that these answers are general and may vary depending on specific design considerations and requirements.