MCP1702-2502E/TO

Product Overview

Category

The MCP1702-2502E/TO belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Input Voltage Range: 2.7V to 13.2V
• Output Voltage: 2.5V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 178mV at 250mA
• Low Quiescent Current: 2 µA (typical)
• High Ripple Rejection: 70 dB (typical)
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23 Package

Packaging/Quantity

The MCP1702-2502E/TO is available in a SOT-23 package. It is typically sold in reels or tubes, with a quantity of 3000 units per reel or 100 units per tube.

Specifications

• Input Voltage Range: 2.7V to 13.2V
• Output Voltage: 2.5V
• Output Current: Up to 250mA
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2 µA (typical)
• Ripple Rejection: 70 dB (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Pin Configuration

The MCP1702-2502E/TO 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 MCP1702-2502E/TO provides a stable output voltage of 2.5V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage of only 178mV at 250mA, this regulator can operate efficiently even with low input-output voltage differentials.
• Low Quiescent Current: The device consumes only 2 µA of current in standby mode, minimizing power consumption.
• Thermal Shutdown Protection: The MCP1702-2502E/TO includes built-in thermal shutdown protection to prevent overheating and ensure safe operation.
• Short Circuit Current Limiting: It features short circuit current limiting to protect the device and connected components from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient performance.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection enhances safety.
• Short circuit current limiting protects the device and connected components.

Disadvantages

• Limited output current capacity (up to 250mA).
• Fixed output voltage may not suit all applications.

Working Principles

The MCP1702-2502E/TO 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 stable output voltage of 2.5V. The device operates by dissipating excess voltage as heat, which is why it has a dropout voltage and requires proper heat dissipation measures.

Detailed Application Field Plans

The MCP1702-2502E/TO finds applications in various electronic systems, including but not limited to: 1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices. 2. Industrial control systems: Ensures consistent voltage levels for sensors, actuators, and other components in industrial automation. 3. Automotive electronics: Regulates voltage for automotive modules, sensors, and infotainment systems. 4. IoT devices: Enables reliable power supply for Internet of Things (IoT) devices, such as smart home appliances and environmental sensors.

Detailed and Complete Alternative Models

1. MCP1702-3302E/TO: Output voltage of 3.3V, otherwise similar specifications.
2. MCP1702-5002E/TO: Output voltage of 5V, otherwise similar specifications.
3. MCP1702-1802E/TO: Output voltage of 1.8V, otherwise similar specifications.
4. MCP1702-1202E/TO: Output voltage of 1.2V, otherwise similar specifications.

These alternative models provide different output voltages to cater to a wider range of applications while maintaining similar characteristics and features.

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