NCP1253BSN65T1G

The NCP1253BSN65T1G is a PWM controller IC designed for use in offline flyback converters. It features a built-in 650V MOSFET, providing a cost-effective and compact solution for power supply designs.

Pinout

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

• VDD: Power supply
• Vout: Output voltage
• GND: Ground connection
• FB: Feedback pin for voltage regulation
• COMP: Compensation pin
• UVLO: Under-voltage lockout
• EN: Enable pin
• DRV: Gate driver output
• VCC: Supply voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the NCP1253BSN65T1G IC for a visual representation.

Key Features

• Integrated 650V MOSFET: Eliminates the need for an external power switch, reducing component count and system cost.
• Wide Input Voltage Range: Operates efficiently across a range of input voltages, making it versatile for various applications.
• Over-temperature Protection: Includes built-in protection mechanisms to safeguard against over-heating conditions.
• Adjustable Frequency: Allows for flexibility in setting the switching frequency to optimize performance.
• Soft-Start Function: Enables gradual start-up of the power supply, reducing in-rush currents and stress on components.

Note: For detailed technical specifications, please refer to the NCP1253BSN65T1G datasheet.

Application

• Offline Flyback Converters: Ideal for use in offline flyback converter designs for power supplies in various electronic devices.
• LED Lighting: Suitable for LED driver applications requiring efficient power conversion.
• Consumer Electronics: Used in consumer electronic products for power management and regulation.

Functionality

The NCP1253BSN65T1G is a PWM controller with an integrated 650V MOSFET, providing efficient power conversion in offline flyback converter designs. It offers reliable performance and protection features for power supply applications.

Usage Guide

• Power Supply: Connect VCC (Pin 8) to the supply voltage within the specified range.
• Feedback Control: Use the FB (Pin 4) pin to regulate the output voltage as needed.
• Enable Function: Control the IC operation using the EN (Pin 6) pin for system power management.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the NCP1253BSN65T1G?
A: The NCP1253BSN65T1G can handle input voltages up to a certain limit. Please check the datasheet for exact specifications.

Q: Is the NCP1253BSN65T1G suitable for high-power applications?
A: The NCP1253BSN65T1G is designed for specific power ratings. Ensure that the IC is used within its specified power limits for optimal performance.