MCP1703-1802E/DB

Product Overview

Category

The MCP1703-1802E/DB 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 16V
• Output Voltage: 1.8V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 178mV at 250mA
• Low Quiescent Current: 2 µA (typical)
• Package Type: SOT-23
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

The MCP1703-1802E/DB is typically packaged in a reel containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 1.8V ±2%
• Output Current: Up to 250mA
• Dropout Voltage: 178mV (typical) at 250mA
• Quiescent Current: 2µA (typical)
• Line Regulation: 0.04%/V (typical)
• Load Regulation: 0.1% (typical)
• Ripple Rejection: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Pin Configuration

The MCP1703-1802E/DB has three pins:

1. VIN: Input voltage pin
2. VOUT: Output voltage pin
3. GND: Ground pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Low quiescent current minimizes power consumption when the regulator is idle.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• High ripple rejection ratio reduces the impact of input voltage fluctuations on the output.

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage enables efficient power conversion.
• Low quiescent current prolongs battery life in portable devices.
• Small package size (SOT-23) facilitates space-constrained designs.
• Excellent line and load regulation ensures stable performance.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Output voltage fixed at 1.8V may not be suitable for all voltage requirements.

Working Principles

The MCP1703-1802E/DB is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage.

Detailed Application Field Plans

The MCP1703-1802E/DB finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

Some alternative models to the MCP1703-1802E/DB include: - MCP1703-3302E/DB: Output voltage of 3.3V - MCP1703-5002E/DB: Output voltage of 5V - MCP1703-1802E/SN: Package type: SOT-89

These alternative models offer different output voltages and package options to suit specific application requirements.

In conclusion, the MCP1703-1802E/DB is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It provides stable and efficient voltage regulation for various electronic systems. However, its limited maximum output current and fixed output voltage may restrict its usage in certain applications.