LE25U20AMB-AH

Introduction

The LE25U20AMB-AH is a voltage regulator belonging to the category of integrated circuits. It is commonly used in electronic devices to regulate and stabilize voltage levels, ensuring consistent and reliable power supply to sensitive components.

Basic Information Overview

• Category: Integrated Circuit
• Use: Voltage Regulation
• Characteristics: Stable output, compact size, low power consumption
• Package: TO-220
• Essence: Regulating voltage for electronic devices
• Packaging/Quantity: Typically sold individually or in small quantities

Specifications

• Input Voltage Range: 4.4V to 26V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 150mA
• Dropout Voltage: 300mV @ 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. Input (VIN): Connects to the input voltage source
2. Ground (GND): Connected to the ground reference
3. Output (VOUT): Provides the regulated output voltage

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite fluctuations in the input voltage.
• Overcurrent Protection: Safeguards connected components by limiting the output current.
• Thermal Shutdown: Prevents damage due to excessive heat by shutting down the regulator when temperatures exceed safe limits.

Advantages and Disadvantages

Advantages

• Compact size allows for integration into space-constrained designs.
• Low quiescent current minimizes power consumption in standby mode.
• Wide input voltage range enables versatile applications.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage can impact efficiency in low input voltage scenarios.

Working Principles

The LE25U20AMB-AH utilizes a feedback control mechanism to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

Consumer Electronics

• Used in portable electronic devices such as smartphones and tablets to ensure stable power supply to sensitive components.

Automotive Electronics

• Integrated into vehicle infotainment systems and dashboard displays to regulate voltage for reliable operation.

Industrial Control Systems

• Employed in industrial automation equipment to provide consistent power to control modules and sensors.

Detailed and Complete Alternative Models

1. LM317: Offers adjustable output voltage with higher current capabilities.
2. LM7805: Provides fixed 5V output with higher current handling capacity.

In conclusion, the LE25U20AMB-AH serves as a crucial component in various electronic applications, ensuring stable and reliable power supply. Its compact size, low power consumption, and wide input voltage range make it a versatile choice for designers seeking efficient voltage regulation solutions.

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