MCP1703AT-1202E/DB

Product Overview

Category

The MCP1703AT-1202E/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: 1.2V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 178mV at 250mA
• Low Quiescent Current: 2.0µA (typical)
• Package Type: SOT-23-3
• Operating Temperature Range: -40°C to +125°C

Packaging/Quantity

The MCP1703AT-1202E/DB is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 1.2V
• Output Current: Up to 250mA
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2.0µA (typical)
• Line Regulation: ±0.4% (typical)
• Load Regulation: ±0.4% (typical)
• Ripple Rejection: 70dB (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-3

Detailed Pin Configuration

The MCP1703AT-1202E/DB has three pins:

1. VIN: This pin is used to connect the input voltage.
2. VOUT: This pin provides the regulated output voltage.
3. GND: This pin is connected to the ground reference.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
• Low quiescent current minimizes power consumption in standby or idle modes.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• High ripple rejection ratio reduces the impact of noise on the output voltage.

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage enables efficient power conversion.
• Low quiescent current prolongs battery life in portable devices.
• Small package size (SOT-23-3) facilitates space-constrained designs.
• Good line and load regulation ensures stable performance.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Single fixed output voltage limits versatility in certain scenarios.

Working Principles

The MCP1703AT-1202E/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 MCP1703AT-1202E/DB finds applications in various fields, including:

1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial automation: Used in control systems, sensors, and actuators to ensure reliable and regulated power supply.
3. Automotive electronics: Suitable for powering microcontrollers, sensors, and other components in automotive applications.
4. Communication systems: Enables stable voltage supply for routers, modems, and other networking equipment.
5. Medical devices: Used in medical instruments and monitoring devices to maintain precise voltage levels.

Detailed and Complete Alternative Models

1. MCP1703AT-1202E/CB: Similar specifications but available in a different package (SOT-89-3).
2. MCP1703AT-1202E/MB: Similar specifications but available in a different package (SOT-223-3).
3. MCP1703AT-1202E/SN: Similar specifications but available in a different package (TO-92-3).

(Note: The above alternative models are for reference purposes and may have slight variations in characteristics and package types.)

In conclusion, the MCP1703AT-1202E/DB is a voltage regulator with excellent characteristics, suitable for various applications that require stable and regulated power supply. Its compact size, low dropout voltage, and low quiescent current make it an ideal choice for battery-powered devices and other electronic systems.