MCP1703T-5002E/DB

Product Overview

Category

The MCP1703T-5002E/DB belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and ensure stable power supply.

Characteristics

• Low dropout voltage: The MCP1703T-5002E/DB has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• High output current capability: This voltage regulator can handle high output currents, making it suitable for various applications.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent overheating and damage to the device.
• Wide input voltage range: The MCP1703T-5002E/DB can accept a wide range of input voltages, providing flexibility in different power supply scenarios.

Package

The MCP1703T-5002E/DB is available in a small SOT-23 package, which is compact and easy to integrate into circuit designs.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MCP1703T-5002E/DB is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 5.0V
• Dropout Voltage: 178mV (typical) at 250mA load
• Output Current: Up to 250mA
• Quiescent Current: 2.0µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703T-5002E/DB has three pins:

1. VIN (Pin 1): Input voltage pin
2. VOUT (Pin 2): Output voltage pin
3. GND (Pin 3): Ground pin

Functional Features

• Voltage Regulation: The MCP1703T-5002E/DB maintains a constant output voltage of 5.0V, regardless of changes in the input voltage or load conditions.
• Low Quiescent Current: It has a low quiescent current, minimizing power consumption when the load is light.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, which shuts down the regulator if the temperature exceeds a safe threshold, preventing damage to the device.

Advantages and Disadvantages

Advantages

• Stable Output Voltage: The MCP1703T-5002E/DB ensures a stable output voltage, providing reliable power supply for electronic circuits.
• Wide Input Voltage Range: It can accept a wide range of input voltages, making it suitable for various applications.
• Compact Size: The SOT-23 package allows for easy integration into circuit designs.

Disadvantages

• Limited Output Current: The maximum output current of 250mA may not be sufficient for high-power applications.
• Dropout Voltage: The dropout voltage of 178mV may result in some power loss, especially when operating with low input voltages.

Working Principles

The MCP1703T-5002E/DB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The device operates by dissipating excess voltage as heat, resulting in a regulated output voltage.

Detailed Application Field Plans

The MCP1703T-5002E/DB finds applications in various fields, including:

1. Battery-powered devices: It can be used to regulate the voltage in portable electronic devices, ensuring stable operation even as the battery voltage decreases.
2. Embedded systems: The voltage regulator can provide a stable power supply for microcontrollers, sensors, and other components in embedded systems.
3. Automotive electronics: It is suitable for automotive applications where a stable voltage is required for powering various electronic modules.

Detailed and Complete Alternative Models

1. MCP1703T-3302E/DB: This model provides an output voltage of 3.3V, suitable for applications requiring a lower voltage level.
2. MCP1703T-1802E/DB: With an output voltage of 1.8V, this model is ideal for low-power applications that require a lower voltage level.

These alternative models offer similar characteristics and functionality to the MCP1703T-5002E/DB but with different output voltage options.

In conclusion, the MCP1703T-5002E/DB is a voltage regulator that provides stable and regulated power supply in various electronic circuits. Its low dropout voltage, high output current capability, and thermal shutdown protection make it a reliable choice for many applications. However, its limited output current and