LM3702XCBP-308/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The LM3702XCBP-308/NOPB is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The LM3702XCBP-308/NOPB is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Maximum Output Current: 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM3702XCBP-308/NOPB has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The LM3702XCBP-308/NOPB exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, this voltage regulator can power a wide range of electronic devices.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.2V to 5.5V, providing flexibility for different applications.
• Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating, ensuring its reliability and longevity.
• Overcurrent Protection: The LM3702XCBP-308/NOPB incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input voltages. - High output current capability allows for powering various electronic devices. - Adjustable output voltage provides versatility for different application requirements. - Thermal shutdown protection prevents damage due to overheating. - Overcurrent protection safeguards the connected circuitry.

Disadvantages: - Limited maximum output current of 500mA may not be sufficient for high-power applications. - SOT-23-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

The LM3702XCBP-308/NOPB operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals. This is achieved through the use of a pass transistor that adjusts its resistance to maintain the desired output voltage. The feedback pin (FB) monitors the output voltage and provides the necessary control signal to adjust the pass transistor accordingly.

Detailed Application Field Plans

The LM3702XCBP-308/NOPB can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM3702XCBP-308/NOPB include: - LM317: Adjustable voltage regulator with higher output current capability. - LM1117: Fixed voltage regulator available in various output voltage options. - LT1083: High current adjustable voltage regulator with low dropout voltage.

These alternative models can be considered based on specific application requirements and desired features.

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