SM72480/NOPB

Product Overview

Category: Voltage Regulator
Use: SM72480/NOPB is a voltage regulator designed to provide a stable output voltage for various electronic devices.
Characteristics: It offers high precision and efficiency, making it suitable for a wide range of applications.
Package: The SM72480/NOPB comes in a small outline integrated circuit (SOIC) package.
Essence: This voltage regulator ensures reliable and consistent power supply for electronic systems.
Packaging/Quantity: It is typically available in reels containing 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.25V to 22V
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 500mA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SM72480/NOPB has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. VOUT (Output Voltage) 4. BYP (Bypass Capacitor) 5. TRIM (Voltage Trim)

Functional Features

• High Precision: Provides a stable output voltage with minimal deviation.
• Low Dropout Voltage: Ensures efficient operation even with low input voltages.
• Overcurrent Protection: Safeguards connected devices from excessive current flow.
• Thermal Shutdown: Protects the regulator from overheating.

Advantages and Disadvantages

Advantages: - Wide Input Voltage Range - Compact SOIC Package - Overcurrent Protection

Disadvantages: - Limited Output Current Capacity - Higher Dropout Voltage compared to some alternatives

Working Principles

The SM72480/NOPB operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output. It utilizes feedback control to regulate the output voltage, ensuring stability under varying load conditions.

Detailed Application Field Plans

The SM72480/NOPB is well-suited for various applications, including: - Battery-Powered Devices - Portable Electronics - Automotive Systems - Industrial Control Systems

Detailed and Complete Alternative Models

Some alternative models to consider include: - LM317: A versatile adjustable voltage regulator with higher output current capability. - LT1086: Offers lower dropout voltage and higher output current compared to the SM72480/NOPB. - LM2940: Suitable for low-power applications with its low quiescent current and thermal shutdown feature.

In conclusion, the SM72480/NOPB voltage regulator provides reliable and precise voltage regulation for a diverse range of electronic systems. Its compact package and high precision make it a valuable component in various applications, despite its limitations in output current capacity. When considering alternatives, factors such as dropout voltage, output current, and package size should be carefully evaluated to select the most suitable voltage regulator for specific requirements.

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