LP8543SQX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance, low-dropout voltage regulator
• Package: 20-pin WQFN package
• Essence: Provides power management solutions for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on supplier

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 300mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP8543SQX/NOPB has a total of 20 pins. The pin configuration is as follows:

1. EN (Enable)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)
4. GND (Ground)
5. PG (Power Good)
6. FB (Feedback)
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)
17. NC (No Connection)
18. NC (No Connection)
19. NC (No Connection)
20. NC (No Connection)

Functional Features

• High efficiency and low dropout voltage
• Overcurrent and thermal protection
• Power good output signal
• Soft-start function for controlled startup
• Low quiescent current for power-saving operation
• Wide input voltage range for compatibility with various power sources

Advantages and Disadvantages

Advantages: - High-performance voltage regulation - Compact package size - Wide input voltage range - Power-saving operation - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (300mA) - No adjustable output voltage option

Working Principles

The LP8543SQX/NOPB is a low-dropout voltage regulator that provides stable and regulated output voltage for electronic devices. It operates by taking an input voltage within the specified range and converting it to a lower, regulated output voltage. The device ensures high efficiency and low dropout voltage, minimizing power dissipation.

Detailed Application Field Plans

The LP8543SQX/NOPB is commonly used in various applications, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Handheld gaming devices

Detailed and Complete Alternative Models

1. LP8544SQX/NOPB
2. LP8545SQX/NOPB
3. LP8546SQX/NOPB
4. LP8547SQX/NOPB
5. LP8548SQX/NOPB

These alternative models offer similar functionality and characteristics to the LP8543SQX/NOPB, providing power management solutions for electronic devices.

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