MCP1703A-4002E/DB

Product Overview

Category

The MCP1703A-4002E/DB belongs to the category of voltage regulators.

Use

This product 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 MCP1703A-4002E/DB comes 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 stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity

The MCP1703A-4002E/DB is typically packaged in reels, with each reel containing a specific quantity of units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 4.0V
• Dropout Voltage: 178mV (typical) at 250mA load
• Quiescent Current: 2.0µA (typical)
• Maximum Output Current: 250mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MCP1703A-4002E/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

• Low Dropout Voltage: The MCP1703A-4002E/DB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: This voltage regulator provides high accuracy in maintaining the desired output voltage, minimizing variations and ensuring stable performance.
• Low Quiescent Current: With a low quiescent current, this product minimizes power consumption when the load is light or idle, making it suitable for battery-powered applications.
• Thermal Shutdown Protection: The MCP1703A-4002E/DB incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Short-Circuit Current Limiting: In case of a short circuit, this voltage regulator limits the current to protect the circuitry.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage
• Low dropout voltage ensures efficient regulation
• High output voltage accuracy
• Low quiescent current for reduced power consumption
• Thermal shutdown protection prevents overheating
• Short-circuit current limiting protects the circuit

Disadvantages

• Limited maximum output current (250mA)
• Restricted input voltage range (2.7V to 16V)

Working Principles

The MCP1703A-4002E/DB operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. By dissipating excess voltage as heat, it ensures a stable and regulated output.

Detailed Application Field Plans

The MCP1703A-4002E/DB finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. MCP1703AT-3302E/CB: Output voltage of 3.3V, SOT-23 package.
2. MCP1703AT-5002E/MB: Output voltage of 5.0V, SOT-23 package.
3. MCP1703AT-1802E/DB: Output voltage of 1.8V, SOT-23 package.
4. MCP1703AT-1202E/DB: Output voltage of 1.2V, SOT-23 package.

These alternative models provide different output voltages while sharing similar characteristics and package types.

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