MCP1642B-ADJI/MS

Product Overview

Category

The MCP1642B-ADJI/MS belongs to the category of voltage regulators.

Use

This product is primarily used for voltage regulation in various electronic devices and systems.

Characteristics

• Compact size
• High efficiency
• Wide input voltage range
• Adjustable output voltage
• Low quiescent current
• Over-temperature protection

Package

The MCP1642B-ADJI/MS comes in a small MSOP-10 package, which is suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to efficiently regulate voltage levels, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The MCP1642B-ADJI/MS is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 500mA
• Quiescent Current: 17µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MCP1642B-ADJI/MS has the following pin configuration:

1. VIN: Input voltage pin
2. EN: Enable pin
3. FB: Feedback pin
4. GND: Ground pin
5. SW: Switching node pin
6. VOUT: Output voltage pin
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. VDD: Supply voltage pin

Functional Features

• Adjustable output voltage through external resistors
• Integrated synchronous rectifier for improved efficiency
• Soft-start function to limit inrush current
• Over-temperature protection to prevent damage
• Low dropout voltage for efficient power conversion

Advantages and Disadvantages

Advantages

• Small form factor enables use in space-constrained applications
• Wide input voltage range allows compatibility with various power sources
• High efficiency results in reduced power consumption
• Adjustable output voltage provides flexibility for different system requirements

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Lack of built-in short-circuit protection may require additional circuitry

Working Principles

The MCP1642B-ADJI/MS operates as a step-up (boost) voltage regulator. It takes an input voltage within the specified range and boosts it to a higher, adjustable output voltage. This is achieved through a combination of switching and control circuitry, which efficiently converts the input voltage to the desired output voltage.

Detailed Application Field Plans

The MCP1642B-ADJI/MS finds application in various fields, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. IoT devices 4. Wearable devices 5. Industrial automation

Detailed and Complete Alternative Models

1. MCP1642B-E/MS: Similar to MCP1642B-ADJI/MS, but with fixed output voltage options.
2. MCP1642B-ADJI/ML: Similar to MCP1642B-ADJI/MS, but in a larger MLP package.
3. MCP1642B-ADJI/MD: Similar to MCP1642B-ADJI/MS, but with extended temperature range.

These alternative models offer similar functionality with slight variations in package size, output voltage options, or operating temperature range.

In conclusion, the MCP1642B-ADJI/MS is a compact and efficient voltage regulator that offers adjustable output voltage and wide input voltage range. Its small form factor and high efficiency make it suitable for various applications, especially in battery-powered and portable devices. While it has limitations in terms of maximum output current and lack of built-in short-circuit protection, it provides reliable voltage regulation for many electronic systems.