Microchip Technology
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MIC2791L-04VMT-TR
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MIC2791L-04VMT-TR

Product Overview

Category

MIC2791L-04VMT-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Voltage regulation
  • High efficiency
  • Low dropout voltage
  • Thermal shutdown protection

Package

MIC2791L-04VMT-TR comes in a small outline package (SOT-23-5).

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

MIC2791L-04VMT-TR is typically packaged in reels, with 3000 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Dropout Voltage: 150mV at 100mA
  • Quiescent Current: 45µA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC2791L-04VMT-TR has the following pin configuration:

  1. GND (Ground)
  2. EN (Enable)
  3. FB (Feedback)
  4. VOUT (Output Voltage)
  5. VIN (Input Voltage)

Functional Features

  • Low quiescent current consumption
  • Excellent line and load regulation
  • Fast transient response
  • Overcurrent and thermal protection
  • Enable pin for power management control

Advantages

  • Wide input voltage range
  • Low dropout voltage
  • Small package size
  • High efficiency
  • Thermal shutdown protection

Disadvantages

  • Limited output voltage range
  • Requires external components for stability

Working Principles

MIC2791L-04VMT-TR operates by comparing the feedback voltage (FB) with a reference voltage to regulate the output voltage (VOUT). The enable pin (EN) allows for power management control, enabling or disabling the regulator as needed. It utilizes a low dropout voltage design, ensuring efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

MIC2791L-04VMT-TR finds applications in various electronic devices and systems, including:

  1. Battery-powered devices
  2. Portable electronics
  3. IoT devices
  4. Wearable devices
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. MIC5205-3.3YM5-TR: Low dropout voltage regulator with fixed 3.3V output.
  2. LT1763CS8-3.3#PBF: Ultra-low dropout linear regulator with fixed 3.3V output.
  3. TPS79633DCQR: High-performance, low dropout voltage regulator with fixed 3.3V output.

These alternative models offer similar functionality and can be considered as alternatives to MIC2791L-04VMT-TR depending on specific requirements.

In conclusion, MIC2791L-04VMT-TR is a voltage regulator that provides stable and regulated voltage output. With its wide input voltage range, low dropout voltage, and small package size, it is suitable for various applications in battery-powered devices, portable electronics, IoT devices, wearable devices, and automotive electronics. While it has limitations in terms of output voltage range and external component requirements, there are alternative models available in the market that offer similar functionality.

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MIC2791L-04VMT-TR у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of MIC2791L-04VMT-TR in technical solutions:

Q1: What is MIC2791L-04VMT-TR? A1: MIC2791L-04VMT-TR is a specific model of voltage supervisor IC (Integrated Circuit) manufactured by Microchip Technology. It provides power supply monitoring and reset generation functions.

Q2: What are the key features of MIC2791L-04VMT-TR? A2: Some key features of MIC2791L-04VMT-TR include undervoltage detection, adjustable reset timeout period, manual reset input, and low quiescent current consumption.

Q3: How can MIC2791L-04VMT-TR be used in technical solutions? A3: MIC2791L-04VMT-TR can be used to monitor the voltage level of a power supply and generate a reset signal when the voltage falls below a certain threshold. This can help ensure proper operation and prevent damage to sensitive components.

Q4: What is the operating voltage range of MIC2791L-04VMT-TR? A4: The operating voltage range of MIC2791L-04VMT-TR is typically between 0.7V and 5.5V.

Q5: Can MIC2791L-04VMT-TR be used with different power supply voltages? A5: Yes, MIC2791L-04VMT-TR can be used with various power supply voltages as long as they fall within its specified operating voltage range.

Q6: How does the adjustable reset timeout feature work? A6: The adjustable reset timeout feature allows users to set the duration for which the reset signal remains active after the voltage rises above the threshold. This can be adjusted using external components.

Q7: What is the purpose of the manual reset input in MIC2791L-04VMT-TR? A7: The manual reset input allows users to manually assert or deassert the reset signal, overriding the voltage monitoring function temporarily.

Q8: Is MIC2791L-04VMT-TR suitable for battery-powered applications? A8: Yes, MIC2791L-04VMT-TR is suitable for battery-powered applications due to its low quiescent current consumption, which helps conserve battery life.

Q9: Can multiple MIC2791L-04VMT-TR ICs be used in parallel? A9: Yes, multiple MIC2791L-04VMT-TR ICs can be used in parallel to monitor different power supply rails or provide redundancy in critical applications.

Q10: Are there any application notes or reference designs available for MIC2791L-04VMT-TR? A10: Yes, Microchip Technology provides application notes and reference designs that offer guidance on using MIC2791L-04VMT-TR in various technical solutions. These resources can be found on their official website.