RPM7138-V4R

Product Overview

Belongs to: Integrated Circuits
Category: Voltage Regulator
Use: To regulate the voltage in electronic circuits
Characteristics: High precision, low dropout voltage, thermal shutdown protection
Package: TO-220
Essence: Ensures stable voltage supply for electronic devices
Packaging/Quantity: Typically sold individually

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 20V
• Maximum Output Current: 3A
• Dropout Voltage: 0.6V 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

• High Accuracy
• Low Dropout Voltage
• Thermal Shutdown Protection
• Short Circuit Protection
• Fast Transient Response

Advantages and Disadvantages

Advantages: - Stable output voltage - Wide input voltage range - Overcurrent protection

Disadvantages: - Higher cost compared to traditional linear regulators - Requires heat sink for high current applications

Working Principles

The RPM7138-V4R uses a feedback control loop to maintain a constant output voltage despite changes in input voltage and load conditions. It compares the actual output voltage to a reference voltage and adjusts the internal circuitry to minimize the difference.

Detailed Application Field Plans

1. Consumer Electronics: Used in power supplies for audio equipment, LED lighting, and small appliances.
2. Automotive: Voltage regulation in car audio systems, dashboard displays, and lighting systems.
3. Industrial: Powering sensors, actuators, and control systems in manufacturing equipment.

Detailed and Complete Alternative Models

1. LM317: Similar voltage regulator with adjustable output
2. LM7805: Fixed 5V voltage regulator for lower current applications
3. LT1083: High current adjustable voltage regulator with low dropout voltage

This comprehensive entry provides an in-depth understanding of the RPM7138-V4R, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.