MCP1703AT-4002E/MB

Product Overview

Category

The MCP1703AT-4002E/MB belongs to the category of voltage regulators.

Use

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

Characteristics

• High accuracy: The MCP1703AT-4002E/MB provides a highly accurate output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal current when in standby mode.
• Thermal shutdown protection: It includes built-in protection against excessive heat.

Package

The MCP1703AT-4002E/MB is available in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

The MCP1703AT-4002E/MB 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: 4.0V
• Output Current: Up to 250mA
• Dropout Voltage: 178mV (typical)
• Quiescent Current: 2.0µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703AT-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

• Voltage Regulation: The MCP1703AT-4002E/MB maintains a constant output voltage regardless of changes in the input voltage or load conditions.
• Short Circuit Protection: It includes internal circuitry to protect against short circuits, preventing damage to the regulator and connected devices.
• Low Power Consumption: The low quiescent current ensures minimal power consumption during standby or idle periods.
• Thermal Shutdown: In case of excessive heat, the regulator automatically shuts down to prevent overheating.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage enables efficient operation even with small input-output voltage differentials.
• Compact package size suitable for space-constrained applications.
• Thermal shutdown protection prevents damage due to excessive heat.

Disadvantages

• Limited output current capacity (up to 250mA).
• Input voltage range is restricted to 2.7V to 16V.

Working Principles

The MCP1703AT-4002E/MB operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. When the input voltage exceeds the desired output voltage, the regulator reduces it to the required level. Conversely, if the input voltage drops below the desired output voltage, the regulator compensates by boosting it.

Detailed Application Field Plans

The MCP1703AT-4002E/MB finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: It provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: The regulator ensures consistent voltage levels for reliable operation of sensors, actuators, and other components.
3. Automotive electronics: It is used in automotive applications to regulate voltage for various subsystems, including infotainment systems, lighting, and engine control units.
4. IoT devices: The MCP1703AT-4002E/MB is suitable for low-power IoT devices that require a stable power source.

Detailed and Complete Alternative Models

1. MCP1703AT-3302E/MB: Output voltage of 3.3V, otherwise similar specifications.
2. MCP1703AT-5002E/MB: Output voltage of 5.0V, otherwise similar specifications.
3. MCP1703AT-1802E/MB: Output voltage of 1.8V, otherwise similar specifications.

These alternative models provide different output voltages while maintaining similar characteristics and functionality to the MCP1703AT-4002E/MB.

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