LP3927ILQX-AZ/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: LP3927ILQX-AZ/NOPB is a voltage regulator IC primarily used in electronic devices to provide stable and regulated power supply.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: LP3927ILQX-AZ/NOPB is available in a compact and industry-standard QFN package, which ensures easy integration into various electronic circuits.

Essence: The essence of LP3927ILQX-AZ/NOPB lies in its ability to regulate voltage efficiently and reliably, ensuring the smooth operation of electronic devices.

Packaging/Quantity: LP3927ILQX-AZ/NOPB is typically sold in reels containing a specified quantity of ICs, usually 2500 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LP3927ILQX-AZ/NOPB features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High Efficiency: LP3927ILQX-AZ/NOPB exhibits high efficiency, minimizing power loss during voltage regulation.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: LP3927ILQX-AZ/NOPB includes thermal shutdown protection, preventing overheating and potential damage to the device.
• Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - High efficiency ensures optimal power utilization - Overcurrent and thermal shutdown protection enhance device reliability - Wide input voltage range allows versatility in application

Disadvantages: - Limited maximum output current may restrict usage in high-power applications - Dropout voltage may cause slight voltage drop across the regulator

Working Principles

LP3927ILQX-AZ/NOPB operates based on the principle of linear voltage regulation. It compares the feedback voltage (FB) with a reference voltage to generate an error signal. This error signal is then used to adjust the output voltage (VOUT) by controlling the internal pass transistor.

Detailed Application Field Plans

LP3927ILQX-AZ/NOPB finds extensive application in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LP3927ILQX-AZ/NOPB are: - LM317 - LT1084 - ADP3339

These alternatives can be considered based on specific requirements and design constraints.

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