התמונה עשויה להיות ייצוג.
ראה מפרטים לפרטי מוצר.
LP3990MF-1.2/NOPB

LP3990MF-1.2/NOPB

Product Overview

Category

LP3990MF-1.2/NOPB belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output accuracy
  • Low quiescent current
  • Thermal shutdown protection

Package

LP3990MF-1.2/NOPB is available in a small form factor package, typically SOT-23.

Essence

The essence of LP3990MF-1.2/NOPB lies in its ability to provide stable and regulated voltage to power electronic devices.

Packaging/Quantity

LP3990MF-1.2/NOPB is usually packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Output Voltage: 1.2V
  • Dropout Voltage: 200mV (typical)
  • Quiescent Current: 45µA (typical)
  • Maximum Output Current: 150mA
  • Input Voltage Range: 2.5V to 6V
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

LP3990MF-1.2/NOPB has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • High output accuracy provides precise voltage regulation for sensitive electronic components.
  • Low quiescent current minimizes power consumption when the regulator is idle.
  • Thermal shutdown protection prevents damage due to excessive heat.

Advantages

  • Compact size and easy integration into various circuit designs.
  • Wide input voltage range allows compatibility with different power sources.
  • Excellent load and line regulation characteristics ensure stable output voltage.
  • Low dropout voltage enables efficient power conversion.

Disadvantages

  • Limited maximum output current may restrict its use in high-power applications.
  • Sensitive to excessive heat, requiring proper thermal management.

Working Principles

LP3990MF-1.2/NOPB operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Detailed Application Field Plans

LP3990MF-1.2/NOPB finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LP3990MF-1.2/NOPB include: - LM1117-1.2 - LT1763-1.2 - MCP1701-1.2

These alternatives can be considered based on specific requirements and design constraints.

Word count: 345 words

רשום 10 שאלות ותשובות נפוצות הקשורות ליישום של LP3990MF-1.2/NOPB בפתרונות טכניים

  1. What is the input voltage range for LP3990MF-1.2/NOPB?
    - The input voltage range for LP3990MF-1.2/NOPB is 2.5V to 5.5V.

  2. What is the output voltage of LP3990MF-1.2/NOPB?
    - The output voltage of LP3990MF-1.2/NOPB is fixed at 1.2V.

  3. Can LP3990MF-1.2/NOPB be used in battery-powered applications?
    - Yes, LP3990MF-1.2/NOPB can be used in battery-powered applications due to its low dropout voltage and low quiescent current.

  4. What is the maximum output current of LP3990MF-1.2/NOPB?
    - The maximum output current of LP3990MF-1.2/NOPB is 150mA.

  5. Is LP3990MF-1.2/NOPB suitable for use in portable devices?
    - Yes, LP3990MF-1.2/NOPB is suitable for use in portable devices due to its small package size and low power consumption.

  6. Does LP3990MF-1.2/NOPB require external capacitors for stability?
    - Yes, LP3990MF-1.2/NOPB requires an input and output capacitor for stability.

  7. Can LP3990MF-1.2/NOPB tolerate input voltage transients?
    - Yes, LP3990MF-1.2/NOPB can tolerate input voltage transients up to 20V.

  8. What is the operating temperature range of LP3990MF-1.2/NOPB?
    - The operating temperature range of LP3990MF-1.2/NOPB is -40°C to 125°C.

  9. Is LP3990MF-1.2/NOPB suitable for powering RF modules?
    - Yes, LP3990MF-1.2/NOPB is suitable for powering RF modules due to its low noise and high PSRR.

  10. Can LP3990MF-1.2/NOPB be used in automotive applications?
    - Yes, LP3990MF-1.2/NOPB is AEC-Q100 qualified and suitable for use in automotive applications.