AN41919A-VB

Product Overview

Category: Integrated Circuit (IC)

Use: AN41919A-VB is a high-performance voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: AN41919A-VB is available in a compact and industry-standard SOT-23 package, which allows for easy integration into different circuit designs.

Essence: The essence of AN41919A-VB lies in its ability to regulate voltage with high precision, ensuring reliable and consistent power supply to sensitive electronic components.

Packaging/Quantity: AN41919A-VB is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.5V
• Output Voltage Range: 1.2V - 5.0V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 500mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AN41919A-VB features a standard SOT-23 package with three pins:

1. VIN (Pin 1): Input voltage pin. Connects to the power source.
2. GND (Pin 2): Ground pin. Connected to the common ground of the circuit.
3. VOUT (Pin 3): Output voltage pin. Connects to the load or component requiring regulated power supply.

Functional Features

• High Efficiency: AN41919A-VB offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected components from excessive current flow.
• Thermal Shutdown Protection: AN41919A-VB includes thermal shutdown protection, preventing overheating and potential damage to the IC.
• Wide Input Voltage Range: The IC can operate within a wide input voltage range, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High efficiency ensures optimal power utilization. - Overcurrent and thermal shutdown protection enhance system reliability. - Wide input voltage range allows for versatile application.

Disadvantages: - Limited maximum output current may restrict usage in high-power applications. - SOT-23 package may require additional space on the circuit board.

Working Principles

AN41919A-VB operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage despite variations in the input voltage or load conditions. This ensures that the connected components receive a consistent and regulated power supply.

Detailed Application Field Plans

AN41919A-VB finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AN41919A-VB are: - LM1117-3.3V - LT1761-5.0 - MCP1702-3.3

These alternatives can be considered based on specific requirements and compatibility with the target application.

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