Maxim Integrated
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MAX6803US31D3+T
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MAX6803US31D3+T

Product Overview

  • Category: Integrated Circuits (ICs)
  • Use: Voltage Regulator
  • Characteristics:
    • Low Dropout Voltage
    • High Output Current
    • Adjustable Output Voltage
  • Package: SOT-23-3
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

  • Input Voltage Range: 2.5V to 6.5V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 120mV at 150mA
  • Output Current: 150mA
  • Line Regulation: ±0.05% typical
  • Load Regulation: ±0.1% typical
  • Quiescent Current: 40µA typical
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6803US31D3+T has three pins in the SOT-23-3 package:

  1. VIN - Input voltage pin.
  2. GND - Ground pin.
  3. VOUT - Output voltage pin.

Functional Features

  • Low dropout voltage allows for efficient regulation even with small input-output differentials.
  • High output current capability enables powering a wide range of devices.
  • Adjustable output voltage provides flexibility in various applications.
  • Excellent line and load regulation ensures stable output voltage under varying conditions.
  • Low quiescent current minimizes power consumption in standby mode.

Advantages

  • Compact SOT-23-3 package saves board space.
  • Wide input voltage range accommodates various power sources.
  • Adjustable output voltage suits different system requirements.
  • Low dropout voltage reduces power dissipation and extends battery life.
  • High output current capability enables driving power-hungry components.

Disadvantages

  • Limited output current compared to higher-power regulators.
  • SOT-23-3 package may require careful handling during assembly.

Working Principles

The MAX6803US31D3+T is a linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The dropout voltage is minimized by using a low-resistance pass transistor.

Detailed Application Field Plans

The MAX6803US31D3+T is suitable for various applications, including but not limited to:

  1. Battery-powered devices: Portable electronics, handheld instruments, and wearable devices.
  2. Consumer electronics: Audio/video equipment, set-top boxes, and gaming consoles.
  3. Industrial equipment: Sensors, control systems, and instrumentation.
  4. Automotive electronics: Infotainment systems, lighting controls, and dashboard displays.
  5. Communication systems: Wireless routers, access points, and network switches.

Detailed and Complete Alternative Models

  1. MAX6803US31D3+: Similar specifications and pin configuration, but available in a different package (SOT-23-5).
  2. MAX6803US31D3: Fixed output voltage version with the same specifications and pin configuration.

Note: Please refer to the manufacturer's datasheet for a comprehensive list of alternative models.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX6803US31D3+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX6803US31D3+T in technical solutions:

  1. Q: What is the MAX6803US31D3+T? A: The MAX6803US31D3+T is a voltage detector IC manufactured by Maxim Integrated. It is used to monitor the power supply voltage and provide a reset signal when the voltage falls below a certain threshold.

  2. Q: What is the operating voltage range of MAX6803US31D3+T? A: The operating voltage range of MAX6803US31D3+T is typically between 1.6V and 5.5V.

  3. Q: How does MAX6803US31D3+T detect undervoltage conditions? A: MAX6803US31D3+T compares the input voltage with a fixed reference voltage internally. When the input voltage drops below the reference voltage, it triggers an output signal indicating an undervoltage condition.

  4. Q: Can MAX6803US31D3+T be used in battery-powered applications? A: Yes, MAX6803US31D3+T can be used in battery-powered applications as it operates within a wide voltage range and consumes very low quiescent current.

  5. Q: What is the typical reset time delay of MAX6803US31D3+T? A: The typical reset time delay of MAX6803US31D3+T is around 100ms, but it can be adjusted using external components.

  6. Q: Is MAX6803US31D3+T suitable for automotive applications? A: Yes, MAX6803US31D3+T is suitable for automotive applications as it meets the necessary automotive standards and has a wide operating temperature range.

  7. Q: Can MAX6803US31D3+T be used to monitor multiple power supplies? A: Yes, MAX6803US31D3+T can be used to monitor multiple power supplies by connecting each supply to a separate input pin of the IC.

  8. Q: Does MAX6803US31D3+T have any built-in protection features? A: Yes, MAX6803US31D3+T has built-in hysteresis and glitch immunity to prevent false triggering due to noise or voltage fluctuations.

  9. Q: What is the output type of MAX6803US31D3+T? A: MAX6803US31D3+T provides an active-low push-pull output, which can directly drive other digital logic circuits.

  10. Q: Can MAX6803US31D3+T be used in industrial control systems? A: Yes, MAX6803US31D3+T can be used in industrial control systems as it offers reliable undervoltage detection and reset functionality for critical applications.

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