ADR225HFZ

Product Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High-frequency, low-dropout (LDO) regulator
Package: TO-220
Essence: Ensures stable voltage output in electronic circuits
Packaging/Quantity: Individually packaged; quantity varies based on supplier

Specifications

• Input Voltage Range: 2.5V to 18V
• Output Voltage Range: 1.2V to 15V
• Maximum Output Current: 2.25A
• Dropout Voltage: 0.3V at 2.25A
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.04% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The ADR225HFZ features a standard TO-220 package with three pins:

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

Functional Features

• High-frequency operation allows for efficient power conversion.
• Low dropout voltage ensures minimal power loss.
• Excellent line and load regulation for stable output voltage.
• Low quiescent current minimizes power consumption during standby.

Advantages and Disadvantages

Advantages: - High efficiency due to high-frequency operation. - Wide input voltage range enables versatile applications. - Compact TO-220 package facilitates easy integration. - Excellent line and load regulation for stable voltage output.

Disadvantages: - Dropout voltage of 0.3V may limit certain low-voltage applications. - Higher cost compared to traditional linear regulators.

Working Principles

The ADR225HFZ is a voltage regulator that maintains a stable output voltage despite variations in the input voltage and load conditions. It utilizes a high-frequency switching mechanism to efficiently regulate the voltage. The internal circuitry continuously monitors the output voltage and adjusts the switching frequency to maintain the desired output level. This ensures a consistent and reliable power supply for electronic circuits.

Detailed Application Field Plans

The ADR225HFZ finds applications in various electronic systems, including:

1. Power Supplies: Provides regulated voltage for microcontrollers, sensors, and other components.
2. Audio Amplifiers: Ensures stable power supply for audio amplification circuits.
3. Battery-Powered Devices: Regulates voltage in portable devices such as smartphones, tablets, and handheld instruments.
4. Automotive Electronics: Maintains stable voltage for automotive control units, infotainment systems, and lighting modules.
5. Industrial Control Systems: Offers reliable voltage regulation in PLCs, motor drives, and industrial automation equipment.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range.
2. LT1086: Low dropout linear regulator with high current capability.
3. LM1117: Fixed voltage regulator available in various output voltage options.
4. TPS7A47: High-performance LDO regulator with ultra-low noise output.
5. ADP3339: Low dropout voltage regulator with high accuracy and low quiescent current.

These alternative models provide similar functionality and can be considered based on specific requirements and design constraints.

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