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LP2975IMMX-3.3
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LP2975IMMX-3.3

Product Overview

Category

The LP2975IMMX-3.3 belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

  • Input Voltage Range: 2.5V to 7V
  • Output Voltage: 3.3V
  • Maximum Output Current: 500mA
  • Low Dropout Voltage: 340mV at 500mA
  • Low Quiescent Current: 75µA
  • Thermal Shutdown Protection

Package

The LP2975IMMX-3.3 comes in a miniature SOT-223 package, which provides efficient heat dissipation and space-saving benefits.

Packaging/Quantity

It is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 7V
  • Output Voltage: 3.3V ±2%
  • Maximum Output Current: 500mA
  • Dropout Voltage: 340mV at 500mA
  • Quiescent Current: 75µA
  • Operating Temperature Range: -40°C to 125°C
  • Thermal Shutdown: Yes

Detailed Pin Configuration

The LP2975IMMX-3.3 has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. BYP (Bypass) 5. VOUT (Output Voltage)

Functional Features

  • Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the output voltage.
  • Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing its reliability.
  • Low Quiescent Current: Minimizes power consumption during standby or idle conditions.

Advantages and Disadvantages

Advantages

  • Compact SOT-223 package for space-constrained applications
  • Low dropout voltage for efficient regulation
  • Thermal shutdown protection for enhanced reliability

Disadvantages

  • Limited maximum output current compared to some other regulators
  • Higher quiescent current compared to certain ultra-low-power regulators

Working Principles

The LP2975IMMX-3.3 operates by comparing the reference voltage with the feedback voltage to adjust the pass transistor, ensuring that the output voltage remains constant despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The LP2975IMMX-3.3 is well-suited for various applications, including: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LP2975IMMX-3.3 include: - LM1117-3.3 - MCP1703-3302E - AP2112K-3.3

In summary, the LP2975IMMX-3.3 is a versatile voltage regulator with a compact package, low dropout voltage, and thermal protection, making it suitable for a wide range of electronic applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LP2975IMMX-3.3 en soluciones técnicas

  1. What is LP2975IMMX-3.3?

    • LP2975IMMX-3.3 is a 3.3V low dropout (LDO) voltage regulator designed for use in various technical solutions.

  2. What is the input voltage range of LP2975IMMX-3.3?

    • The input voltage range of LP2975IMMX-3.3 is typically 2.5V to 7V.

  3. What is the output current capability of LP2975IMMX-3.3?

    • LP2975IMMX-3.3 can provide an output current of up to 500mA.

  4. What are the typical applications of LP2975IMMX-3.3?

    • LP2975IMMX-3.3 is commonly used in battery-powered systems, portable instruments, and other applications requiring a regulated supply voltage.

  5. What are the key features of LP2975IMMX-3.3?

    • Some key features include low dropout voltage, low ground current, thermal shutdown, and overcurrent protection.

  6. How does LP2975IMMX-3.3 handle thermal management?

    • LP2975IMMX-3.3 includes a thermal shutdown feature that protects the device from overheating.

  7. Can LP2975IMMX-3.3 be used in automotive applications?

    • Yes, LP2975IMMX-3.3 is suitable for automotive applications within its specified operating conditions.

  8. What are the recommended input and output capacitors for LP2975IMMX-3.3?

    • It is recommended to use 10μF tantalum or 22μF ceramic capacitors at the input and output for stability and noise reduction.

  9. What is the operating temperature range of LP2975IMMX-3.3?

    • LP2975IMMX-3.3 can operate within a temperature range of -40°C to 125°C.

  10. Is LP2975IMMX-3.3 available in different package options?

    • LP2975IMMX-3.3 is available in a miniature SOT-23 package, making it suitable for space-constrained applications.