LP3971SQX-P55A/NOPB

Product Overview

• Category: Power Management IC
• Use: Voltage Regulator
• Characteristics: High efficiency, low quiescent current, small package size
• Package: 24-pin WQFN
• Essence: Provides voltage regulation for various electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Output Current: Up to 400mA
• Quiescent Current: 30µA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VIN
2. EN
3. PG
4. GND
5. SW
6. FB
7. VOUT
8. AGND
9. AGND
10. AGND
11. AGND
12. AGND
13. AGND
14. AGND
15. AGND
16. AGND
17. AGND
18. AGND
19. AGND
20. AGND
21. AGND
22. AGND
23. AGND
24. AGND

Functional Features

• Integrated synchronous buck regulator
• Low dropout voltage
• Overcurrent and overtemperature protection
• Power good indicator
• Enable control

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Small package size
• Power good indicator for system monitoring

Disadvantages

• Limited output current compared to some alternatives
• Higher quiescent current than some competitors

Working Principles

The LP3971SQX-P55A/NOPB is a synchronous buck regulator that steps down the input voltage to provide a stable output voltage for powering electronic devices. It uses a high-efficiency switching architecture to minimize power loss and maximize battery life in portable applications.

Detailed Application Field Plans

This voltage regulator is suitable for a wide range of battery-powered and low-power applications, including: - Portable consumer electronics - Wearable devices - IoT devices - Battery-powered medical devices - Industrial sensors

Detailed and Complete Alternative Models

• Alternative Model 1: LP3972SQX-P55A/NOPB
  • Similar specifications with higher output current capability
• Alternative Model 2: LP3970SQX-P55A/NOPB
  • Lower quiescent current but with slightly different pin configuration

In conclusion, the LP3971SQX-P55A/NOPB is a versatile voltage regulator suitable for various low-power applications, offering high efficiency and a compact package size. While it has some limitations in terms of output current and quiescent current, it provides reliable voltage regulation for a wide range of electronic devices.

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