MCP1642DT-18I/MC

Product Overview

Category

The MCP1642DT-18I/MC belongs to the category of voltage boost regulators.

Use

It is commonly used to step up low input voltages to higher output voltages in various electronic applications.

Characteristics

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage Range: 1.8V
• Maximum Output Current: 500mA
• Efficiency: Up to 96%
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Package

The MCP1642DT-18I/MC is available in a compact SOT-23-6 package.

Essence

This voltage boost regulator is designed to provide efficient and reliable power conversion for portable and battery-powered devices.

Packaging/Quantity

The MCP1642DT-18I/MC is typically packaged in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 0.65V to 5.5V
• Output Voltage: 1.8V
• Maximum Output Current: 500mA
• Quiescent Current: 19µA (typical)
• Shutdown Current: 0.1µA (typical)
• Switching Frequency: 1.2MHz (fixed)
• Efficiency: Up to 96%
• Soft Start Time: 2ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP1642DT-18I/MC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin
5. SW: Switch node pin
6. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for compatibility with various power sources.
• High efficiency conversion enables longer battery life and reduced power dissipation.
• Fixed output voltage simplifies system design and eliminates the need for external voltage regulation.
• Enable pin provides control over the regulator's operation, allowing for power-saving modes.
• Soft start feature ensures a controlled and gradual increase in output voltage during startup.

Advantages and Disadvantages

Advantages

• Compact package size enables space-saving designs.
• High efficiency results in minimal power loss.
• Wide input voltage range enhances versatility.
• Fixed output voltage simplifies system integration.
• Enable pin offers flexibility in power management.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Fixed output voltage may restrict certain system requirements.

Working Principles

The MCP1642DT-18I/MC operates as a synchronous step-up (boost) converter. It utilizes a high-frequency switching technique to efficiently convert low input voltages to a higher fixed output voltage of 1.8V. The internal control circuitry regulates the duty cycle of the switching transistor to maintain the desired output voltage. This control mechanism ensures efficient power transfer while minimizing losses.

Detailed Application Field Plans

The MCP1642DT-18I/MC is widely used in various portable and battery-powered electronic devices, including:

1. Mobile phones
2. Portable media players
3. Wearable devices
4. IoT devices
5. Wireless sensors
6. Handheld gaming consoles
7. Medical devices
8. Battery-powered industrial equipment

Detailed and Complete Alternative Models

1. MCP1640B: Similar boost regulator with adjustable output voltage.
2. MCP16251: Higher current boost regulator with adjustable output voltage.
3. MCP16301: Boost regulator with higher output voltage range.
4. MCP1643: Boost regulator with integrated power switch.

These alternative models offer different specifications and features to cater to specific application requirements.

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