LP3971SQX-Q418/NOPB
Product Overview
- Category: Power Management IC
- Use: Voltage Regulator
- Characteristics: High efficiency, low quiescent current, small package size
- Package: 24-pin WQFN
- Essence: Efficient power management for portable devices
- Packaging/Quantity: Tape & 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: 15µA
- Efficiency: Up to 95%
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
- Pin 1: VIN
- Pin 2: EN
- Pin 3: GND
- Pin 4: SW
- Pin 5: FB
- Pin 6: VOUT
- ...
Functional Features
- Integrated synchronous buck regulator
- Low dropout voltage
- Overcurrent and thermal protection
- Adjustable output voltage
- Power good indicator
Advantages and Disadvantages
Advantages
- High efficiency
- Wide input voltage range
- Small package size
- Low quiescent current
Disadvantages
- Limited output current compared to some alternatives
- Requires external components for operation
Working Principles
The LP3971SQX-Q418/NOPB is a synchronous buck regulator that efficiently steps down the input voltage to a lower output voltage. It uses a pulse-width modulation (PWM) control scheme to regulate the output voltage and maintain high efficiency across varying load conditions.
Detailed Application Field Plans
The LP3971SQX-Q418/NOPB is well-suited for a wide range of portable and battery-powered applications, including smartphones, tablets, portable media players, and handheld gaming devices. Its low quiescent current and high efficiency make it ideal for extending battery life in these devices.
Detailed and Complete Alternative Models
- Alternative Model 1: LT1763
- Higher output current capability
- Smaller package size
- Lower dropout voltage
- Alternative Model 2: TPS62825
- Ultra-low quiescent current
- Wide input voltage range
- Integrated power good indicator
This completes the entry for LP3971SQX-Q418/NOPB, covering its basic information overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.
Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af LP3971SQX-Q418/NOPB i tekniske løsninger
What is the input voltage range of LP3971SQX-Q418/NOPB?
- The input voltage range of LP3971SQX-Q418/NOPB is 2.7V to 5.5V.What is the maximum output current of LP3971SQX-Q418/NOPB?
- The maximum output current of LP3971SQX-Q418/NOPB is 300mA.Can LP3971SQX-Q418/NOPB be used in battery-powered applications?
- Yes, LP3971SQX-Q418/NOPB is suitable for battery-powered applications due to its low power consumption and wide input voltage range.Does LP3971SQX-Q418/NOPB have built-in overcurrent protection?
- Yes, LP3971SQX-Q418/NOPB features built-in overcurrent protection to safeguard the system from excessive current draw.What is the typical dropout voltage of LP3971SQX-Q418/NOPB?
- The typical dropout voltage of LP3971SQX-Q418/NOPB is 200mV at 100mA load.Is LP3971SQX-Q418/NOPB suitable for use in automotive electronics?
- Yes, LP3971SQX-Q418/NOPB is designed to meet the requirements for automotive applications, making it suitable for automotive electronics.Can LP3971SQX-Q418/NOPB operate in a wide temperature range?
- LP3971SQX-Q418/NOPB is capable of operating in a wide temperature range from -40°C to 125°C, making it suitable for harsh environments.What is the package type of LP3971SQX-Q418/NOPB?
- LP3971SQX-Q418/NOPB is available in a small 10-pin WSON package, which is ideal for space-constrained designs.Does LP3971SQX-Q418/NOPB require external compensation components?
- No, LP3971SQX-Q418/NOPB does not require external compensation components, simplifying the design process.Can LP3971SQX-Q418/NOPB be used in portable consumer electronics?
- Yes, LP3971SQX-Q418/NOPB is well-suited for use in portable consumer electronics due to its low quiescent current and small form factor.