LM20123MHX/NOPB

Product Overview

LM20123MHX/NOPB belongs to the category of voltage regulators. It is commonly used to regulate voltage in electronic circuits, providing stable and reliable power supply. The device is characterized by its high efficiency, low dropout voltage, and small package size. It is typically available in a small outline package (SOP) with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage Range: 0.8V to 16V
• Maximum Output Current: 3A
• Dropout Voltage: 340mV at 3A
• Quiescent Current: 360µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LM20123MHX/NOPB has a standard pin configuration with input, output, and ground pins, along with additional pins for enable and feedback.

Functional Features

• High Efficiency: The LM20123MHX/NOPB offers high efficiency, making it suitable for battery-powered applications.
• Adjustable Output: The device allows for adjustable output voltage, providing flexibility in various applications.
• Thermal Shutdown: It features thermal shutdown protection, ensuring safe operation under extreme temperature conditions.

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Small package size

Disadvantages

• Limited maximum output current compared to some alternatives
• Sensitive to external noise due to low dropout voltage

Working Principles

The LM20123MHX/NOPB operates based on the principle of regulating the output voltage by comparing it to a reference voltage and adjusting the pass element accordingly. This ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The LM20123MHX/NOPB is well-suited for a wide range of applications, including: - Portable electronic devices - Battery-powered systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to LM20123MHX/NOPB include: - LM2937: Offers higher maximum output current - LM1117: Provides lower dropout voltage for noise-sensitive applications - LM317: Adjustable linear voltage regulator with higher output current capability

In conclusion, the LM20123MHX/NOPB is a versatile voltage regulator with high efficiency and a wide range of applications. Its compact size and adjustable output make it an ideal choice for various electronic systems.

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