MCP1702T-4002E/MB

Product Overview

Category

The MCP1702T-4002E/MB belongs to the category of voltage regulators.

Use

It is primarily used to regulate voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• High output voltage accuracy
• Thermal shutdown protection
• Short-circuit current limiting

Package

The MCP1702T-4002E/MB comes in a small SOT-23 package.

Essence

This voltage regulator is designed to provide stable and regulated power supply to electronic devices.

Packaging/Quantity

The MCP1702T-4002E/MB is typically packaged in reels and available in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 13.2V
• Output Voltage: 4.0V
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2.0µA (typical)
• Output Current: Up to 250mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1702T-4002E/MB 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

• Low Dropout Voltage: The MCP1702T-4002E/MB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption when the load is light or idle.
• High Output Voltage Accuracy: It provides precise and stable output voltage, ensuring reliable operation of connected devices.
• Thermal Shutdown Protection: The MCP1702T-4002E/MB incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Short-Circuit Current Limiting: It features short-circuit current limiting to protect the regulator and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low power consumption
• Precise and stable output voltage
• Thermal protection
• Short-circuit protection

Disadvantages

• Limited output current capacity (up to 250mA)

Working Principles

The MCP1702T-4002E/MB operates by comparing the output voltage with a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions. This feedback mechanism ensures a stable and regulated output voltage.

Detailed Application Field Plans

The MCP1702T-4002E/MB is widely used in various electronic applications, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - IoT devices - Automotive electronics

Detailed and Complete Alternative Models

1. MCP1702T-3302E/MB: Output voltage of 3.3V
2. MCP1702T-5002E/MB: Output voltage of 5.0V
3. MCP1702T-1802E/MB: Output voltage of 1.8V
4. MCP1702T-3202E/MB: Output voltage of 3.2V
5. MCP1702T-2502E/MB: Output voltage of 2.5V

These alternative models provide different output voltages to suit specific application requirements.

In conclusion, the MCP1702T-4002E/MB is a voltage regulator that offers efficient and precise voltage regulation for various electronic devices. With its low dropout voltage, low quiescent current, and thermal protection, it ensures reliable and stable power supply. While it has a limited output current capacity, it is widely used in battery-powered devices, portable electronics, embedded systems, IoT devices, and automotive electronics. Additionally, alternative models with different output voltages are available to cater to specific application needs.