SM72238TDE-5.0/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Input Voltage Range: 4.5V to 28V - Output Voltage: 5.0V - Package Type: TO-263-7 (D2PAK) - Essence: High-efficiency, low-dropout linear voltage regulator - Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Output Current: Up to 3A
• Dropout Voltage: 300mV at 1A
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.04% typical
• Quiescent Current: 100µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The SM72238TDE-5.0/NOPB has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| EN VOUT|-- Pin 2: Output Voltage --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC VIN |-- Pin 7: Input Voltage |_______________| ```

Functional Features

• High efficiency with low dropout voltage
• Wide input voltage range for versatile applications
• Excellent line and load regulation
• Thermal shutdown and current limit protection
• Enable pin for easy on/off control

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Wide input voltage range allows for flexibility in power supply selection - Excellent line and load regulation ensures stable output voltage - Thermal shutdown and current limit protection enhance reliability - Enable pin provides convenient control over the regulator

Disadvantages: - Dropout voltage of 300mV may not be suitable for ultra-low voltage applications - Limited output current of up to 3A may not meet high-power requirements

Working Principles

The SM72238TDE-5.0/NOPB is a linear voltage regulator that regulates the input voltage to a constant 5.0V output voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to maintain the desired output voltage despite changes in input voltage or load conditions. The regulator also incorporates various protection features, such as thermal shutdown and current limit, to ensure safe operation.

Detailed Application Field Plans

The SM72238TDE-5.0/NOPB is commonly used in various electronic devices and systems that require a stable 5.0V power supply. Some typical application fields include:

1. Consumer Electronics:

   • Set-top boxes
   • Audio/video equipment
   • Gaming consoles

2. Industrial Automation:

   • PLC (Programmable Logic Controllers)
   • Motor control systems
   • Power supplies for industrial equipment

3. Automotive Electronics:

   • Infotainment systems
   • Advanced driver-assistance systems (ADAS)
   • Lighting control modules

4. Telecommunications:

   • Network routers and switches
   • Wireless base stations
   • Data storage systems

Detailed and Complete Alternative Models

1. LM1117-5.0: Low dropout voltage regulator with similar specifications and package type.
2. LT1086-5.0: High-current linear regulator with adjustable output voltage.
3. TPS7A4700: Ultra-low noise, high PSRR linear regulator suitable for sensitive applications.

These alternative models offer similar functionality and can be considered as substitutes for the SM72238TDE-5.0/NOPB based on specific application requirements.

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