LP3971SQE-W416/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power consumption
• Package: WQFN-16
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Output Current: Up to 1A
• Quiescent Current: 30µA (typical)
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP3971SQE-W416/NOPB has a total of 16 pins. The pin configuration is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. PG: Power Good indicator pin
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High efficiency power conversion
• Low quiescent current for improved battery life
• Overcurrent and thermal protection
• Power Good indicator for system monitoring
• Adjustable output voltage through feedback pin

Advantages and Disadvantages

Advantages

• High efficiency results in less power dissipation
• Wide input voltage range allows for versatile applications
• Small package size saves board space
• Power Good indicator enhances system reliability

Disadvantages

• Limited output current capacity (up to 1A)
• Not suitable for high-power applications

Working Principles

The LP3971SQE-W416/NOPB is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a regulated output voltage between 0.6V and 3.6V. It achieves this by utilizing a switching regulator topology, which provides high efficiency power conversion. The feedback pin allows for adjustable output voltage, making it suitable for various applications.

Detailed Application Field Plans

The LP3971SQE-W416/NOPB is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices. It is ideal for applications where power efficiency and battery life are crucial. Some specific application fields include:

1. Mobile phones
2. Portable media players
3. Bluetooth headsets
4. Fitness trackers
5. IoT devices

Detailed and Complete Alternative Models

1. LP3970SQE-W416/NOPB: Similar specifications and features, but with a different package (WQFN-20).
2. LP3972SQE-W416/NOPB: Higher output current capacity (up to 2A), suitable for more power-demanding applications.
3. LP3973SQE-W416/NOPB: Adjustable output voltage range from 0.6V to 5.5V, providing greater flexibility.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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