NCP1392BDR2G

The NCP1392BDR2G is a high performance current mode controller designed for offline power supplies.It provides several features, including adjustable skip cycle operation, overvoltage protection, and a wide input voltage range, making it suitable for various power supply applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Supply Voltage
• SD: Shutdown Pin
• CS: Current Sense Input
• RT: Soft Start/Line Feedforward
• COMP: Error Amplifier Output
• FB: Feedback Input
• OV: Overvoltage Comparator Input
• GND: Ground
• VREF: Voltage Reference Output
• DRV: Gate Drive Output
• VCC: Supply Voltage
• VIN: Input Voltage
• SS/TR: Soft Start/Shutdown

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the NCP1392BDR2G for a more visual representation.

Key Features

• Adjustable Skip Cycle Operation: The NCP1392BDR2G allows for skip cycle operation, providing flexibility in managing power efficiency and regulation.
• Overvoltage Protection: This feature ensures the safety of connected components by preventing excessive output voltage.
• Wide Input Voltage Range: With a wide input voltage range, this controller is suitable for various power supply designs.
• High Performance Current Mode Controller: The current mode control offers precise regulation and fast transient response.
• Integrated Soft Start: The soft start function prevents input voltage overshoot and reduces stress on components during startup.

Note: For detailed technical specifications, please refer to the NCP1392BDR2G datasheet.

Application

• Offline Power Supplies: The NCP1392BDR2G is commonly used in offline power supply designs for applications such as consumer electronics, industrial equipment, and LED lighting.
• Switch Mode Power Supplies: This controller is suitable for switch mode power supply designs requiring precise regulation and overvoltage protection.
• Power Management Systems: It can be integrated into power management systems for efficient and reliable power delivery.

Functionality

The NCP1392BDR2G operates as a current mode controller, providing regulation and protection features for power supply designs. It offers flexibility in power efficiency management and is suitable for various applications.

Usage Guide

• Power Supply: Connect VCC (Pin 1) to the positive supply voltage and GND (Pin 8) to ground.
• Feedback Loop: The FB (Pin 6) and COMP (Pin 5) pins are used in the feedback loop to regulate the output voltage.
• Soft Start: Use the RT (Pin 4) and SS/TR (Pin 12) pins to control the soft start function for smooth power-up.
• Gate Drive: Utilize the DRV (Pin 10) output for driving external power switches.

Frequently Asked Questions

Q: What is the purpose of the current sense input (CS) pin?
A: The CS pin is used to monitor the current in the power supply loop, allowing for precise current mode control.

Q: Can the NCP1392BDR2G be used in LED lighting applications?
A: Yes, the NCP1392BDR2G is suitable for LED lighting power supply designs, providing efficient regulation and overvoltage protection.