MCP1703AT-3302E/DB

Product Overview

Category

The MCP1703AT-3302E/DB belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and ensure stable power supply.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 178mV at 250mA
• Low Quiescent Current: 2 µA (typical)
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• SOT-23-3 Package

Packaging/Quantity

The MCP1703AT-3302E/DB is available in a SOT-23-3 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 250mA
• Dropout Voltage: 178mV (typical) at 250mA
• Quiescent Current: 2µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-3

Pin Configuration

The MCP1703AT-3302E/DB has three pins arranged as follows:

```

---

| | --| V+ |-- --| |-- |____| ```

1. V+: Input Voltage Pin
2. GND: Ground Pin
3. VOUT: Output Voltage Pin

Functional Features

• Voltage Regulation: The MCP1703AT-3302E/DB provides a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage as low as 178mV at 250mA, this regulator minimizes power loss and improves efficiency.
• Low Quiescent Current: The device consumes only 2µA of current in standby mode, reducing power consumption.
• Thermal Shutdown Protection: The MCP1703AT-3302E/DB includes built-in thermal shutdown protection to prevent overheating.
• Short Circuit Current Limiting: It features short circuit current limiting to protect the circuit from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current reduces power consumption during standby.
• Thermal shutdown protection prevents damage due to overheating.
• Short circuit current limiting protects the circuit from excessive current.

Disadvantages

• Limited output current capacity (up to 250mA).
• SOT-23-3 package may require additional space on the PCB.

Working Principles

The MCP1703AT-3302E/DB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage to adjust the pass transistor's resistance, maintaining a stable output voltage of 3.3V.

Detailed Application Field Plans

The MCP1703AT-3302E/DB finds applications in various electronic devices and systems, including: 1. Battery-powered devices requiring stable voltage supply. 2. Microcontroller-based projects. 3. Portable consumer electronics. 4. Industrial control systems. 5. Automotive electronics. 6. IoT devices. 7. Wireless communication modules.

Detailed and Complete Alternative Models

1. MCP1703AT-3302E/CB: Similar specifications but available in a different package (SOT-89-3).
2. MCP1703AT-3302E/MB: Similar specifications but available in a different package (SOT-223-3).
3. MCP1703AT-3302E/SN: Similar specifications but available in a different package (SOIC-8).

These alternative models provide similar functionality and voltage regulation capabilities, allowing users to choose the most suitable package for their specific application requirements.

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