SM72238TDE-3.3/NOPB

Product Overview

Category

SM72238TDE-3.3/NOPB belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Voltage Regulation: SM72238TDE-3.3/NOPB provides stable output voltage regulation.
• Power Management: It efficiently manages power distribution within electronic devices.
• Package: The IC comes in a compact package suitable for surface mount technology (SMT) assembly.
• Essence: The essence of this product lies in its ability to regulate and manage power effectively.
• Packaging/Quantity: SM72238TDE-3.3/NOPB is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: 3.3V
• Output Current: Up to 2A
• Dropout Voltage: 0.35V at 1A
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

The SM72238TDE-3.3/NOPB IC has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• Voltage Regulation: The IC maintains a constant output voltage despite variations in input voltage.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard connected devices.
• Thermal Shutdown: In case of excessive heat, the IC shuts down to prevent damage.
• Enable Control: The enable pin allows for easy on/off control of the IC.

Advantages and Disadvantages

Advantages

• Efficient Power Management: SM72238TDE-3.3/NOPB optimizes power distribution, enhancing device performance.
• Compact Size: Its small package size makes it suitable for space-constrained applications.
• Wide Input Voltage Range: The IC can handle a broad range of input voltages, increasing versatility.

Disadvantages

• Dropout Voltage: The 0.35V dropout voltage may limit its use in low-power applications.
• Operating Temperature Range: The IC's operating temperature range is limited to -40°C to +85°C.

Working Principles

SM72238TDE-3.3/NOPB operates based on a voltage regulation principle known as linear regulation. It uses an internal feedback mechanism to compare the output voltage with a reference voltage. By adjusting the internal circuitry, it ensures that the output voltage remains constant despite fluctuations in the input voltage.

Detailed Application Field Plans

The SM72238TDE-3.3/NOPB IC finds application in various electronic devices, including but not limited to:

1. Mobile Devices: It regulates power supply in smartphones, tablets, and portable media players.
2. Computer Peripherals: Used in USB hubs, external hard drives, and other computer accessories.
3. Industrial Equipment: Provides stable power management in industrial control systems and automation equipment.
4. Automotive Electronics: Used in vehicle infotainment systems, GPS devices, and dashboard displays.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1086-3.3: Offers higher output current capability while maintaining voltage regulation.
3. TPS73633: Provides ultra-low dropout voltage for more demanding applications.

These alternative models offer comparable functionality and can be considered as substitutes for SM72238TDE-3.3/NOPB.

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