LP3921SQE/NOPB

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage
Package: 8-pin WSON
Essence: Regulates input voltage to a stable output voltage
Packaging/Quantity: Tape & Reel (2500 units)

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass)
5. NC (No Connection)
6. VOUT (Output Voltage)
7. NC (No Connection)
8. PG (Power Good)

Functional Features

• Low dropout voltage for extended battery life
• Thermal shutdown and current limit protection
• Power good indicator for system monitoring

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Small package size

Disadvantages: - Limited maximum output current

Working Principles

The LP3921SQE/NOPB is a voltage regulator that maintains a stable output voltage despite fluctuations in the input voltage. It achieves this by using an internal feedback loop to adjust the output voltage based on the reference voltage.

Detailed Application Field Plans

The LP3921SQE/NOPB is suitable for various portable and battery-powered applications, including smartphones, tablets, portable media players, and handheld devices. Its low dropout voltage and high efficiency make it ideal for prolonging battery life in these devices.

Detailed and Complete Alternative Models

1. LM1117MPX-3.3/NOPB
2. TPS79933DDCR
3. MCP1700T-3302E/TT

In conclusion, the LP3921SQE/NOPB is a versatile voltage regulator with high efficiency and low dropout voltage, making it well-suited for portable and battery-powered applications. Its compact package and wide input voltage range further enhance its appeal in various electronic devices.

Word count: 298