SM72482MA-4/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 SM72482MA-4/NOPB is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The SM72482MA-4/NOPB is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 200mA
• Dropout Voltage: 150mV at 100mA
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SM72482MA-4/NOPB has the following pin configuration:

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

Functional Features

• High Efficiency: The SM72482MA-4/NOPB offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of only 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 0.8V to 3.6V, providing flexibility for different applications.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC and the surrounding components.

Advantages and Disadvantages

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

Disadvantages: - Limited output current capacity (up to 200mA)

Working Principles

The SM72482MA-4/NOPB operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage (VREF). The error amplifier adjusts the pass transistor to maintain a stable output voltage regardless of input voltage variations.

Detailed Application Field Plans

The SM72482MA-4/NOPB finds applications in various electronic devices that require a regulated power supply. Some potential application fields include: 1. Mobile phones and smartphones 2. Portable media players 3. Digital cameras 4. Wireless communication devices 5. Battery-powered IoT devices

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Linear Voltage Regulator, TO-220 package, up to 800mA output current.
2. LT1763-3.3: Low Dropout Linear Regulator, SOT-23 package, fixed 3.3V output voltage, up to 500mA output current.
3. TPS7A4700: Ultra-Low Noise LDO Voltage Regulator, VQFN package, adjustable output voltage, up to 1A output current.

These alternative models offer similar functionality and can be considered as alternatives to the SM72482MA-4/NOPB depending on specific requirements and design constraints.

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