VRF161 Product Overview

Introduction

The VRF161 is a versatile integrated circuit that belongs to the category of voltage regulators. It is widely used in various electronic devices and systems to provide stable and regulated power supply. This entry provides a comprehensive overview of the VRF161, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator
• Use: Provides stable and regulated power supply
• Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
• Package: TO-220, TO-263, D2PAK
• Essence: Integrated circuit for voltage regulation
• Packaging/Quantity: Typically available in reels or tubes with varying quantities

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Output Current: Up to 3A
• Dropout Voltage: Typically 0.6V at 3A
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: Typically 100µA

Detailed Pin Configuration

The VRF161 typically features the following pin configuration: 1. VIN: Input voltage 2. GND: Ground 3. VOUT: Output voltage 4. ADJ: Adjustable pin for output voltage adjustment

Functional Features

• High Efficiency: The VRF161 offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: Ensures stable operation even when the input voltage is close to the output voltage.
• Thermal Shutdown Protection: Protects the IC from overheating, enhancing reliability.

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Thermal shutdown protection
• Compact package options

Disadvantages

• Limited maximum output current compared to higher-power regulators
• Higher dropout voltage compared to some low-power regulators

Working Principles

The VRF161 operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The VRF161 finds extensive applications in various electronic systems, including but not limited to: - Portable electronic devices - Automotive electronics - Industrial automation systems - Power management modules

Detailed and Complete Alternative Models

Some alternative models to the VRF161 include: - VRF162: Higher output current version of VRF161 - VRF163: Lower dropout voltage version of VRF161 - VRF164: Enhanced thermal performance version of VRF161

In conclusion, the VRF161 is a reliable and efficient voltage regulator that caters to diverse application needs, offering stability and protection in power supply management.

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