LP3931ISQ/NOPB

Product Overview

Category

The LP3931ISQ/NOPB belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

• Low dropout voltage
• High output accuracy
• Low quiescent current
• Thermal shutdown protection

Package

The LP3931ISQ/NOPB is available in a small outline package (SOP) for easy integration into circuit designs.

Essence

The essence of LP3931ISQ/NOPB lies in its ability to provide consistent and regulated power to electronic devices, enhancing their performance and reliability.

Packaging/Quantity

The LP3931ISQ/NOPB is typically packaged in reels or tubes, with varying quantities based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LP3931ISQ/NOPB features a standard 5-pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. BYP (Bypass) 5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage for efficient power conversion
• Enable pin for control over device operation
• Bypass pin for noise reduction and stability enhancement
• Thermal shutdown protection for overtemperature conditions

Advantages and Disadvantages

Advantages

• High output accuracy ensures precise voltage regulation
• Low quiescent current minimizes power consumption
• Small package size for space-constrained applications

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Input voltage range may not cover all potential use cases

Working Principles

The LP3931ISQ/NOPB operates by comparing the reference voltage to the feedback voltage and adjusting the pass element to maintain a constant output voltage, even with varying input voltages and load conditions.

Detailed Application Field Plans

The LP3931ISQ/NOPB is well-suited for various portable and battery-powered applications, including: - Mobile devices - Wearable electronics - Portable medical devices - IoT sensors

Detailed and Complete Alternative Models

Some alternative models to LP3931ISQ/NOPB include: - LM1117 - MCP1703 - TPS799

In conclusion, the LP3931ISQ/NOPB offers a compact and efficient solution for voltage regulation in low-power electronic devices, catering to a wide range of portable and battery-powered applications.

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