MCP1252-33X50I/MS

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Boost Regulator

Characteristics: - Input Voltage Range: 1.8V to 5.5V - Output Voltage: 3.3V - Maximum Output Current: 120mA - Efficiency: Up to 96% - Operating Temperature Range: -40°C to +85°C - Package Type: MSOP-10 - Essence: Step-up DC-DC Converter

Packaging/Quantity: The MCP1252-33X50I/MS is available in a MSOP-10 package. It is typically sold in reels of 2500 units.

Specifications

The MCP1252-33X50I/MS voltage boost regulator has the following specifications:

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage: 3.3V
• Maximum Output Current: 120mA
• Quiescent Current: 45µA (typical)
• Shutdown Current: 0.1µA (typical)
• Switching Frequency: 500kHz (typical)
• Efficiency: Up to 96%
• Soft Start Time: 2ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: MSOP-10

Detailed Pin Configuration

The MCP1252-33X50I/MS has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. SW: Switch Node
4. FB: Feedback Voltage
5. EN: Enable Pin
6. VOUT: Output Voltage
7. NC: No Connection
8. NC: No Connection
9. NC: No Connection
10. VDD: Supply Voltage

Functional Features

The MCP1252-33X50I/MS voltage boost regulator offers the following functional features:

1. High Efficiency: With an efficiency of up to 96%, it minimizes power loss and maximizes battery life.
2. Low Quiescent Current: The device has a low quiescent current of 45µA, making it suitable for battery-powered applications.
3. Soft Start: The soft start feature ensures a controlled and gradual increase in output voltage during startup, preventing excessive current draw.
4. Enable Pin: The EN pin allows for easy on/off control of the regulator, conserving power when not needed.
5. Thermal Shutdown Protection: The device incorporates thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows for compatibility with various power sources. - High efficiency reduces power consumption and extends battery life. - Small package size (MSOP-10) enables space-saving designs. - Soft start feature prevents excessive current draw during startup. - Thermal shutdown protection ensures device safety.

Disadvantages: - Maximum output current of 120mA may limit its use in high-power applications. - Limited number of available pins for additional functionality.

Working Principles

The MCP1252-33X50I/MS is a step-up DC-DC converter that converts a lower input voltage to a higher output voltage. It utilizes an internal switch and control circuitry to regulate the output voltage. When the EN pin is high, the regulator is enabled, and the input voltage is boosted to the desired output voltage level. The feedback voltage (FB) pin monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a stable output.

Detailed Application Field Plans

The MCP1252-33X50I/MS is commonly used in various applications, including but not limited to:

1. Battery-Powered Devices: Portable electronics, wireless sensors, and remote controls.
2. IoT (Internet of Things) Devices: Smart home devices, wearable technology, and connected sensors.
3. Industrial Applications: Sensor networks, data loggers, and monitoring systems.
4. Automotive Electronics: Onboard diagnostics, infotainment systems, and lighting control.

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the MCP1252-33X50I/MS:

1. TPS61220: Input Voltage Range: 0.3V to 5.5V, Output Voltage: 3.3V, Maximum Output Current: 400mA.
2. LT1308: Input Voltage Range: 2.5V to 16V, Output Voltage: 3.3V, Maximum Output Current: 500mA.
3. MAX1729: Input Voltage Range: 0.7V to 11V, Output Voltage: 3.3V, Maximum Output Current: 300mA.

These alternative models can be considered based on specific application requirements and design