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MAX709RESA+T

MAX709RESA+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Adjustable Output, SOT-23 Package
  • Package: SOT-23
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: 1.25V to 15V
  • Dropout Voltage: 200mV at 150mA
  • Quiescent Current: 50µA
  • Line Regulation: 0.02%/V
  • Load Regulation: 0.05%/mA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX709RESA+T has the following pin configuration:

  1. GND: Ground connection
  2. IN: Input voltage connection
  3. FB: Feedback pin for adjusting output voltage
  4. OUT: Output voltage connection

Functional Features

  • Low dropout voltage allows operation with small input-output differentials.
  • Adjustable output voltage provides flexibility in various applications.
  • Low quiescent current minimizes power consumption.
  • Excellent line and load regulation ensures stable output voltage.

Advantages

  • Wide input voltage range enables compatibility with different power sources.
  • Small SOT-23 package saves board space.
  • Adjustable output voltage suits a variety of applications.
  • Low dropout voltage allows efficient operation even with low input voltages.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • SOT-23 package may require additional thermal management for dissipating heat.

Working Principles

The MAX709RESA+T is a linear voltage regulator that maintains a stable output voltage regardless of input voltage variations. It utilizes a feedback mechanism to adjust the output voltage based on the reference voltage and the resistor divider network connected to the FB pin.

Detailed Application Field Plans

The MAX709RESA+T is commonly used in various applications, including:

  1. Battery-powered devices: Provides regulated voltage for portable electronics.
  2. Automotive systems: Ensures stable power supply for vehicle electronics.
  3. Industrial equipment: Used in control circuits and sensor interfaces.
  4. Communication devices: Regulates voltage for wireless modules and microcontrollers.

Detailed and Complete Alternative Models

  1. LM1117-ADJ: Adjustable linear voltage regulator with similar specifications.
  2. LT1763-ADJ: Low dropout voltage regulator with adjustable output.
  3. MCP1700-ADJ: Low quiescent current regulator with adjustable output.

These alternative models offer similar functionality and can be considered as substitutes for the MAX709RESA+T.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem MAX709RESA+T w rozwiązaniach technicznych

  1. Question: What is the MAX709RESA+T?
    Answer: The MAX709RESA+T is a voltage supervisor and reset IC manufactured by Maxim Integrated. It is commonly used in technical solutions to monitor power supply voltages and provide a reset signal when the voltage falls below a certain threshold.

  2. Question: What is the operating voltage range of the MAX709RESA+T?
    Answer: The MAX709RESA+T operates within a voltage range of 1.8V to 5.5V.

  3. Question: How does the MAX709RESA+T provide a reset signal?
    Answer: The MAX709RESA+T monitors the power supply voltage and asserts a reset signal when the voltage drops below a predetermined threshold. This reset signal can be used to reset microcontrollers, processors, or other digital logic circuits.

  4. Question: Can the threshold voltage for the reset signal be adjusted?
    Answer: No, the threshold voltage for the reset signal is fixed at approximately 4.63V.

  5. Question: What is the typical reset time delay of the MAX709RESA+T?
    Answer: The typical reset time delay of the MAX709RESA+T is 200ms.

  6. Question: Does the MAX709RESA+T have any additional features?
    Answer: Yes, the MAX709RESA+T includes a manual reset input and a watchdog timer function.

  7. Question: What is the purpose of the manual reset input?
    Answer: The manual reset input allows an external signal to force a reset, overriding the voltage monitoring function.

  8. Question: How does the watchdog timer function work?
    Answer: The watchdog timer function monitors the activity of a microcontroller or other system and generates a reset signal if no activity is detected within a specified time period.

  9. Question: Can the MAX709RESA+T be used in battery-powered applications?
    Answer: Yes, the low operating voltage range of the MAX709RESA+T makes it suitable for battery-powered applications.

  10. Question: Is the MAX709RESA+T available in different package options?
    Answer: Yes, the MAX709RESA+T is available in a 8-pin SOIC package.