MCP1642B-33I/MC

Product Overview

Category

The MCP1642B-33I/MC belongs to the category of voltage boost regulators.

Use

This product is commonly used in electronic devices that require a higher output voltage than the input voltage.

Characteristics

• Voltage boost regulator
• Efficient power conversion
• Small form factor
• Low quiescent current
• Wide input voltage range
• Adjustable output voltage

Package

The MCP1642B-33I/MC is available in a compact SOT-23 package.

Essence

The essence of the MCP1642B-33I/MC lies in its ability to efficiently boost input voltage to a higher output voltage, making it suitable for various applications.

Packaging/Quantity

The MCP1642B-33I/MC is typically packaged in reels and is available in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 500mA
• Quiescent Current: 19µA (typical)
• Switching Frequency: 500kHz (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP1642B-33I/MC has the following pin configuration:

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

Functional Features

• High efficiency power conversion
• Integrated synchronous rectifier
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function
• Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages

• Efficient power conversion leads to longer battery life in portable devices.
• Small form factor allows for space-saving designs.
• Wide input voltage range enables compatibility with various power sources.
• Adjustable output voltage provides flexibility for different applications.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• SOT-23 package may require additional thermal management for certain scenarios.

Working Principles

The MCP1642B-33I/MC operates as a voltage boost regulator by using an internal switch to convert the input voltage to a higher output voltage. It employs a synchronous rectifier to improve efficiency and minimize power losses. The feedback pin allows for adjustable output voltage, while the enable pin controls the device's operation.

Detailed Application Field Plans

The MCP1642B-33I/MC finds application in various fields, including but not limited to: 1. Battery-powered devices: Extending battery life by efficiently boosting voltage. 2. Portable electronics: Powering displays, sensors, and other components requiring higher voltages. 3. IoT devices: Enabling efficient power conversion in low-power connected devices. 4. Automotive electronics: Providing stable voltage supply for automotive systems.

Detailed and Complete Alternative Models

Some alternative models to the MCP1642B-33I/MC include: 1. TPS61200: A similar voltage boost regulator with adjustable output voltage and higher maximum output current. 2. LT1308: Another voltage boost regulator with a wider input voltage range and higher switching frequency. 3. MAX1726: A compact boost converter with integrated power switches and low quiescent current.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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