MCP1703T-1802E/CB

Product Overview

Category

The MCP1703T-1802E/CB belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

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

Package

The MCP1703T-1802E/CB comes in a small SOT-23 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, even when the input voltage fluctuates.

Packaging/Quantity

The MCP1703T-1802E/CB 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: 1.8V
• Dropout Voltage: 178mV (typical)
• Quiescent Current: 2.0µA (typical)
• Maximum Output Current: 250mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703T-1802E/CB has three pins:

1. VIN (Input Voltage): This pin is connected to the input voltage source.
2. VOUT (Output Voltage): This pin provides the regulated output voltage.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Low Dropout Voltage: The MCP1703T-1802E/CB has a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: It provides a highly accurate output voltage of 1.8V, making it suitable for precision applications.
• Low Quiescent Current: The regulator has a low quiescent current, minimizing power consumption when the load is light.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive temperature.
• Short-Circuit Current Limiting: The MCP1703T-1802E/CB features short-circuit current limiting, protecting the circuit from excessive current flow during a short-circuit condition.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage
• Wide input voltage range
• Low dropout voltage
• High output voltage accuracy
• Low quiescent current

Disadvantages

• Limited maximum output current (250mA)
• SOT-23 package may not be suitable for all applications

Working Principles

The MCP1703T-1802E/CB 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 the input voltage and load conditions. This feedback loop ensures a stable and regulated output voltage.

Detailed Application Field Plans

The MCP1703T-1802E/CB finds applications in various electronic systems, including:

1. Battery-powered devices: It can regulate the voltage in portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial control systems: The voltage regulator is suitable for powering microcontrollers, sensors, and other components in industrial automation systems.
3. Automotive electronics: It can be used in automotive applications, providing a stable voltage supply to various electronic modules.
4. Communication equipment: The MCP1703T-1802E/CB is useful in communication devices like routers, modems, and wireless access points.

Detailed and Complete Alternative Models

1. LM1117-1.8: This voltage regulator offers similar specifications and features to the MCP1703T-1802E/CB.
2. LT1761-1.8: Another alternative with comparable characteristics and performance.
3. ADP3339-1.8: This voltage regulator is a suitable alternative, providing stable output voltage regulation.

Note: The above alternatives are provided as examples and may not cover all available options in the market.

In conclusion, the MCP1703T-1802E/CB is a voltage regulator that offers stable and regulated output voltage, low dropout voltage, and high output voltage accuracy. It finds applications in various electronic systems and has alternatives with similar specifications and features.