HAL574UA-K Product Overview

Introduction

The HAL574UA-K is a versatile electronic component designed for use in various applications. This entry provides an in-depth overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The HAL574UA-K belongs to the category of integrated circuits and is commonly used as a voltage regulator in electronic devices. Its primary function is to stabilize the output voltage regardless of variations in the input voltage or load conditions.

Characteristics

• Stability: The HAL574UA-K offers exceptional stability in regulating voltage, making it suitable for precision electronic applications.
• Efficiency: With high efficiency ratings, this component minimizes power loss during voltage regulation.
• Temperature Range: It operates effectively within a wide temperature range, making it suitable for diverse environmental conditions.

Package and Quantity

The HAL574UA-K is typically available in a compact surface-mount package, with quantities varying based on supplier specifications.

Essence

The essence of the HAL574UA-K lies in its ability to provide reliable voltage regulation, ensuring consistent performance of electronic systems.

Packaging/Quantity

The HAL574UA-K is commonly packaged in tape and reel format, with quantities ranging from hundreds to thousands per reel, depending on supplier offerings.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 500mA
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 75µA (typical)

Detailed Pin Configuration

The HAL574UA-K features a standard 5-pin SOT-23 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. EN (Enable) 5. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The HAL574UA-K maintains a stable output voltage despite fluctuations in the input voltage or load variations.
• Low Dropout: It exhibits low dropout voltage, ensuring efficient operation even with small voltage differentials.
• Overcurrent Protection: The component includes built-in overcurrent protection to safeguard connected circuits.

Advantages and Disadvantages

Advantages

• High Stability
• Low Dropout Voltage
• Overcurrent Protection
• Wide Operating Temperature Range

Disadvantages

• Limited Output Current Capacity
• Sensitive to ESD (Electrostatic Discharge)

Working Principles

The HAL574UA-K utilizes a feedback control mechanism to adjust the output voltage based on the reference voltage and input conditions. By comparing the actual output voltage with the reference, it continuously adjusts the internal circuitry to maintain the desired output voltage level.

Detailed Application Field Plans

The HAL574UA-K finds extensive use in various applications, including: - Portable Electronic Devices - Battery-Powered Systems - Automotive Electronics - Industrial Control Systems

Detailed and Complete Alternative Models

Several alternative models offering similar functionality to the HAL574UA-K include: - LM317 - LT1086 - ADP3338

In conclusion, the HAL574UA-K serves as a reliable voltage regulator with a wide range of applications, offering stability, efficiency, and essential protection features. Its compact form factor and versatile performance make it a preferred choice for many electronic designs.

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