ON Semiconductor
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NCP2890DMR2
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NCP2890DMR2

Product Overview

Category

The NCP2890DMR2 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

  • High efficiency
  • Low dropout voltage
  • Overcurrent protection
  • Thermal shutdown protection

Package

The NCP2890DMR2 comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of the NCP2890DMR2 lies in its ability to provide consistent and regulated voltage to electronic devices, preventing damage from voltage fluctuations.

Packaging/Quantity

The NCP2890DMR2 is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to 3.3V
  • Maximum Output Current: 1500mA
  • Dropout Voltage: 300mV at 1A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The NCP2890DMR2 has a standard pin configuration with input, output, and ground pins, as well as additional pins for features such as enable and thermal shutdown.

Functional Features

  • Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
  • Thermal Shutdown Protection: Prevents the device from overheating by shutting down when the temperature exceeds safe limits.
  • Enable Pin: Allows for external control of the regulator's operation.

Advantages and Disadvantages

Advantages

  • High efficiency leads to minimal power loss.
  • Wide input voltage range enhances versatility.
  • Robust protection features ensure reliability.

Disadvantages

  • Limited maximum output current compared to some alternative models.
  • Sensitive to improper layout and decoupling, requiring careful design considerations.

Working Principles

The NCP2890DMR2 operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The NCP2890DMR2 is well-suited for various applications, including: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the NCP2890DMR2 include: - LM1117 - LT1763 - TPS7A47

In conclusion, the NCP2890DMR2 is a versatile voltage regulator with robust protection features, making it suitable for a wide range of electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací NCP2890DMR2 v technických řešeních

  1. What is the NCP2890DMR2?

    • The NCP2890DMR2 is a high-performance, low-noise, and low-dropout (LDO) voltage regulator designed for various technical solutions.

  2. What is the input voltage range of NCP2890DMR2?

    • The input voltage range of NCP2890DMR2 is typically from 2.7V to 5.5V.

  3. What is the output voltage range of NCP2890DMR2?

    • The output voltage range of NCP2890DMR2 is adjustable from 0.6V to 3.3V.

  4. What is the maximum output current of NCP2890DMR2?

    • The maximum output current of NCP2890DMR2 is typically 150mA.

  5. What are the key features of NCP2890DMR2?

    • The key features of NCP2890DMR2 include low dropout voltage, low noise, high PSRR (power supply rejection ratio), and thermal shutdown protection.

  6. What are the typical applications of NCP2890DMR2?

    • Typical applications of NCP2890DMR2 include portable devices, battery-powered equipment, wireless communication systems, and other low-power electronic devices.

  7. How does NCP2890DMR2 help in reducing power consumption?

    • NCP2890DMR2 helps in reducing power consumption by providing efficient voltage regulation and low quiescent current.

  8. What are the recommended input and output capacitors for NCP2890DMR2?

    • The recommended input and output capacitors for NCP2890DMR2 are typically low ESR (equivalent series resistance) ceramic capacitors.

  9. Does NCP2890DMR2 have built-in overcurrent protection?

    • Yes, NCP2890DMR2 has built-in overcurrent protection to safeguard the device and the load.

  10. Is NCP2890DMR2 suitable for automotive applications?

    • Yes, NCP2890DMR2 is suitable for automotive applications due to its wide input voltage range and robust performance in harsh environments.