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MCP16251T-I/CH
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MCP16251T-I/CH

Product Overview

Category

The MCP16251T-I/CH belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators category.

Use

This product is primarily used for voltage regulation in various electronic devices and systems. It provides a stable output voltage by efficiently converting input voltage from a power source.

Characteristics

  • High efficiency: The MCP16251T-I/CH offers high efficiency, ensuring minimal power loss during voltage conversion.
  • Wide input voltage range: It can accept a wide range of input voltages, making it suitable for different applications.
  • Adjustable output voltage: The output voltage can be adjusted according to the requirements of the specific application.
  • Low quiescent current: The device has low quiescent current, reducing power consumption when the load is light.

Package

The MCP16251T-I/CH is available in a compact and industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package. This package ensures easy integration into various circuit designs.

Essence

The essence of the MCP16251T-I/CH lies in its ability to efficiently regulate voltage, providing a stable and reliable power supply for electronic devices.

Packaging/Quantity

The MCP16251T-I/CH is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube. This packaging ensures convenient handling and storage during manufacturing processes.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 500mA
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C
  • Shutdown Current: 0.1µA (typical)

Detailed Pin Configuration

The MCP16251T-I/CH has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. FB: Feedback Pin for Output Voltage Regulation
  4. EN: Enable Pin for Device Operation
  5. SW: Switching Node Connection
  6. LX: Inductor Connection
  7. NC: No Connection (Not internally connected)
  8. VOUT: Output Voltage

Functional Features

  • Wide input voltage range: The MCP16251T-I/CH can accept input voltages ranging from 2.7V to 5.5V, making it suitable for a variety of power sources.
  • Adjustable output voltage: The output voltage can be adjusted within the range of 1.8V to 5.5V, allowing flexibility in meeting specific application requirements.
  • High efficiency: With its efficient switching regulator design, the MCP16251T-I/CH achieves high efficiency, minimizing power loss during voltage conversion.
  • Low quiescent current: The device exhibits low quiescent current, reducing power consumption when the load is light.
  • Enable pin control: The EN pin allows for easy on/off control of the device, enabling power-saving operation when not required.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation.
  • Wide input voltage range enables compatibility with various power sources.
  • Adjustable output voltage provides flexibility for different applications.
  • Low quiescent current minimizes power consumption.
  • Enable pin control allows for easy device operation.

Disadvantages

  • Limited maximum output current of 500mA may not be sufficient for high-power applications.
  • Higher switching frequency may introduce additional noise in sensitive circuits.

Working Principles

The MCP16251T-I/CH operates as a synchronous step-up (boost) switching regulator. It utilizes an inductor, a diode, and capacitors to efficiently convert the input voltage to the desired output voltage. The switching frequency of 1.2MHz ensures fast response and stable regulation.

Detailed Application Field Plans

The MCP16251T-I/CH finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - IoT (Internet of Things) devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP16251T-I/CH include: - MCP1640 - LT1308 - TPS61220

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MCP16251T-I/CH v technických řešeních

  1. Question: What is the input voltage range for MCP16251T-I/CH?
    Answer: The input voltage range for MCP16251T-I/CH is 0.35V to 5.5V.

  2. Question: What is the typical output current capability of MCP16251T-I/CH?
    Answer: The typical output current capability of MCP16251T-I/CH is 500mA.

  3. Question: Can MCP16251T-I/CH be used in battery-powered applications?
    Answer: Yes, MCP16251T-I/CH is suitable for battery-powered applications due to its low input voltage range.

  4. Question: What is the efficiency of MCP16251T-I/CH at different load conditions?
    Answer: The efficiency of MCP16251T-I/CH can vary based on load conditions, and it is recommended to refer to the datasheet for detailed efficiency curves.

  5. Question: Does MCP16251T-I/CH require external compensation components?
    Answer: No, MCP16251T-I/CH features internal compensation, simplifying the design and reducing external component count.

  6. Question: Is MCP16251T-I/CH suitable for space-constrained applications?
    Answer: Yes, MCP16251T-I/CH is available in a compact package and is suitable for space-constrained designs.

  7. Question: Can MCP16251T-I/CH operate in a wide temperature range?
    Answer: Yes, MCP16251T-I/CH is designed to operate over a wide temperature range, making it suitable for various environments.

  8. Question: What are the key protection features of MCP16251T-I/CH?
    Answer: MCP16251T-I/CH includes overcurrent protection, thermal shutdown, and input undervoltage lockout for enhanced system reliability.

  9. Question: Does MCP16251T-I/CH support adjustable output voltage?
    Answer: Yes, MCP16251T-I/CH allows for adjustable output voltage through external resistor divider networks.

  10. Question: Are there any application notes or reference designs available for MCP16251T-I/CH?
    Answer: Yes, Microchip provides application notes and reference designs to assist with the implementation of MCP16251T-I/CH in technical solutions.