SM72238E/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low power consumption
• Package: SOP-8 (Small Outline Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 24V
• Output Current: Up to 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SM72238E/NOPB IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. COMP: Compensation pin
6. SS: Soft-start pin
7. PG: Power Good pin
8. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency ensures minimal power loss
• Low power consumption in standby mode
• Overcurrent protection for enhanced safety
• Soft-start feature prevents inrush current during startup
• Power Good indicator for monitoring output status

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings
• Wide input voltage range provides flexibility
• Overcurrent protection enhances safety
• Soft-start feature prevents damage during startup
• Power Good indicator allows for easy monitoring

Disadvantages

• Limited output current capacity (up to 3A)
• Relatively high operating temperature range (-40°C to +125°C)

Working Principles

The SM72238E/NOPB is a voltage regulator IC that converts the input voltage to a stable output voltage. It utilizes a control loop to maintain the desired output voltage by adjusting the duty cycle of an internal switch. The feedback pin (FB) monitors the output voltage and provides feedback to the control circuit, which adjusts the switch accordingly. This ensures a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The SM72238E/NOPB is commonly used in various applications, including:

1. Power supplies for industrial equipment
2. Automotive electronics
3. Telecommunications systems
4. Consumer electronics
5. LED lighting systems

Detailed and Complete Alternative Models

• SM72236E/NOPB: Similar specifications, lower output current capacity (up to 2A)
• SM72240E/NOPB: Similar specifications, higher output current capacity (up to 4A)
• SM72238F/NOPB: Improved efficiency, similar specifications

Note: Please refer to the manufacturer's datasheet for a comprehensive list of alternative models.

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