MCP1624-I/MC

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Boost Regulator
• Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
• Package: SOT-23-5
• Essence: Step-Up DC-DC Converter
• Packaging/Quantity: Tape and Reel, 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
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP1624-I/MC has a total of five pins:

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. SW: Switching node pin
4. FB: Feedback voltage pin
5. VOUT: Output voltage pin

Functional Features

• High efficiency up to 96%
• Low quiescent current of 19µA
• Automatic Pulse Skipping Mode for improved efficiency at light loads
• Soft-Start function to reduce inrush current during startup
• Overcurrent protection and thermal shutdown features for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life in portable devices - Wide input voltage range allows for flexibility in power supply design - Small package size enables compact circuit layouts - Automatic Pulse Skipping Mode improves efficiency at light loads

Disadvantages: - Limited maximum output current of 500mA - Requires external components for operation - Higher cost compared to non-switching voltage regulators

Working Principles

The MCP1624-I/MC is a step-up DC-DC converter that converts a low input voltage to a higher output voltage. It utilizes a synchronous rectifier topology to achieve high efficiency. The device operates by switching the input voltage on and off at a high frequency, which is then stepped up to the desired output voltage level. The feedback voltage pin (FB) monitors the output voltage and adjusts the duty cycle of the switching signal to maintain a stable output.

Detailed Application Field Plans

The MCP1624-I/MC is commonly used in various applications, including:

1. Battery-powered devices: Provides a regulated voltage for portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, extending battery life.
3. Industrial equipment: Used in industrial automation systems, sensors, and control circuits that require a stable power supply.
4. Automotive electronics: Suitable for automotive applications such as infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

• MCP1640
• MCP16301
• MCP16502
• MCP1662
• MCP16321

These alternative models offer similar functionality and can be considered as substitutes for the MCP1624-I/MC in different applications.

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