LM3520SD/NOPB

Product Overview

Category: Voltage Regulator
Use: LM3520SD/NOPB is a voltage regulator designed to provide a stable output voltage for various electronic devices.
Characteristics: The LM3520SD/NOPB is known for its high efficiency, low dropout voltage, and compact package size. It comes in a small outline package (SOP) and is available in various quantities.
Essence: The essence of LM3520SD/NOPB lies in its ability to regulate voltage with minimal power loss.
Packaging/Quantity: The LM3520SD/NOPB is typically packaged in tape and reel format, with varying quantities depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Dropout Voltage: 300mV at 3A
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOP-8

Detailed Pin Configuration

The LM3520SD/NOPB features an SOP-8 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. NC (No Connection) 5. NC (No Connection) 6. VOUT (Output Voltage) 7. NC (No Connection) 8. EN (Enable)

Functional Features

• High Efficiency: The LM3520SD/NOPB offers high efficiency, making it suitable for battery-powered applications.
• Low Dropout Voltage: With a low dropout voltage of 300mV at 3A, it ensures efficient regulation even when the input voltage is close to the output voltage.
• Overcurrent Protection: The device incorporates overcurrent protection to safeguard connected circuits from excessive current flow.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Overcurrent protection - Wide input voltage range

Disadvantages: - Limited maximum output current compared to some alternative models - May require additional heat sinking for high-power applications

Working Principles

The LM3520SD/NOPB operates by comparing the feedback voltage with a reference voltage to regulate the output voltage. When the output voltage deviates from the set value, the internal circuitry adjusts the pass transistor to maintain the desired output voltage.

Detailed Application Field Plans

The LM3520SD/NOPB finds application in various fields, including: - Portable electronic devices - Battery-powered systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LM3520SD/NOPB include: - LM2940 - LM1117 - LT1086 - ADP3338

These alternatives offer similar voltage regulation capabilities and may vary in terms of package type, maximum output current, and dropout voltage.

In conclusion, the LM3520SD/NOPB is a versatile voltage regulator with high efficiency and low dropout voltage, making it suitable for a wide range of electronic applications. Its compact package and functional features make it a popular choice for designers seeking reliable voltage regulation solutions.

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