MCP1703-4002E/DB

Product Overview

The MCP1703-4002E/DB is a low dropout (LDO) voltage regulator belonging to the category of integrated circuits. It is commonly used to regulate voltage in various electronic devices and systems, offering characteristics such as low dropout voltage, low quiescent current, and thermal shutdown protection. The package type for this product is SOT-23, and it is available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.3V to 16V
• Output Voltage: 4.0V
• Maximum Output Current: 250mA
• Dropout Voltage: 178mV at 250mA
• Quiescent Current: 2.0µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MCP1703-4002E/DB features a standard SOT-23 pin configuration with three pins: 1. Vin (Input) 2. Vout (Output) 3. GND (Ground)

Functional Features

• Low Dropout Voltage: Enables regulation of output voltage even when the input voltage is only slightly higher than the desired output voltage.
• Low Quiescent Current: Minimizes power consumption when the device is in standby or idle mode.
• Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing its reliability and longevity.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low power consumption
• Thermal protection for enhanced reliability

Disadvantages

• Limited maximum output current compared to some other regulators
• Higher dropout voltage compared to newer LDO regulators

Working Principles

The MCP1703-4002E/DB operates by comparing the reference voltage with the divided down output voltage. It adjusts the pass transistor to maintain the output voltage within the specified range, compensating for variations in input voltage and load conditions.

Detailed Application Field Plans

The MCP1703-4002E/DB is widely used in applications requiring stable and regulated power supply, such as: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the MCP1703-4002E/DB include: - MCP1700T-3302E/MB: Similar LDO regulator with a 3.3V output voltage - MCP1702T-5002E/MB: LDO regulator with a 5.0V output voltage - MCP1700T-1802E/MB: LDO regulator with a 1.8V output voltage

This concludes the comprehensive entry for the MCP1703-4002E/DB, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.