SM72482E/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOP-8 (Small Outline Package)

Essence: The SM72482E/NOPB is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The SM72482E/NOPB is typically sold in reels of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 200mA
• Dropout Voltage: 150mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SM72482E/NOPB has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. NC: No Connection
6. VIN: Input Voltage
7. NC: No Connection
8. NC: No Connection

Functional Features

• High Efficiency: The SM72482E/NOPB offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 150mV at 100mA, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 3.6V, providing flexibility for various applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates to prevent damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection - Small package size (SOP-8)

Disadvantages: - Limited maximum output current (200mA) - Narrow input voltage range (2.7V to 5.5V)

Working Principles

The SM72482E/NOPB operates as a linear voltage regulator. It takes an input voltage from the VIN pin and regulates it to a stable output voltage at the VOUT pin. The feedback pin (FB) is used to adjust the output voltage within the specified range. The enable pin (EN) controls the operation of the IC, allowing it to be turned on or off as required.

Detailed Application Field Plans

The SM72482E/NOPB finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wearable Electronics: Smartwatches, fitness trackers.
3. IoT Devices: Sensors, smart home devices.
4. Consumer Electronics: Digital cameras, handheld gaming consoles.
5. Industrial Equipment: Measurement instruments, control systems.

Detailed and Complete Alternative Models

1. LM317: Adjustable Voltage Regulator IC with higher maximum output current (up to 1.5A).
2. LT1083: Adjustable Linear Regulator IC with a wider input voltage range (up to 40V).
3. TPS7A4700: Ultra-Low Noise Linear Regulator IC suitable for sensitive audio applications.

Note: The above alternative models are provided as examples and may have different specifications and pin configurations. It is recommended to refer to the respective datasheets for detailed information.

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