VLR170UL-C30F

Product Overview

Category: Integrated Circuit
Use: Voltage Regulator
Characteristics: Ultra-low dropout, high current capability
Package: TO-220
Essence: Regulates voltage with minimal dropout
Packaging/Quantity: Bulk packaging, 50 units per pack

Specifications

• Input Voltage: 2.5V to 20V
• Output Voltage: 1.2V to 18V
• Maximum Output Current: 3A
• Dropout Voltage: 200mV at 3A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. Vin (Input Voltage)
2. Vout (Output Voltage)
3. GND (Ground)

Functional Features

• Ultra-low dropout voltage
• High current capability
• Thermal shutdown protection
• Short-circuit protection

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High current capability supports power-hungry applications - Built-in protections enhance reliability

Disadvantages: - Higher cost compared to standard voltage regulators - Larger package size may not be suitable for space-constrained designs

Working Principles

The VLR170UL-C30F utilizes a precision reference and error amplifier to compare the output voltage to a stable internal reference. It adjusts the pass device to maintain a constant output voltage despite variations in input voltage and load current.

Detailed Application Field Plans

1. Industrial Power Supplies: The VLR170UL-C30F can be used in industrial power supplies to regulate voltage for sensitive equipment.
2. Automotive Electronics: Its high current capability makes it suitable for automotive electronics applications such as infotainment systems and advanced driver-assistance systems (ADAS).
3. Telecommunications Equipment: This voltage regulator can ensure stable power supply in telecommunications equipment, improving overall system reliability.

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator with similar characteristics but higher dropout voltage.
2. LT1086: Offers lower dropout voltage and higher output current capability than the VLR170UL-C30F.

This comprehensive entry provides an in-depth understanding of the VLR170UL-C30F, its specifications, features, applications, and alternatives, making it a valuable resource for engineers and enthusiasts alike.