NCP1251ASN100T1G - onsemi

Manufacturer Part Number

NCP1251ASN100T1G

Manufacturer

onsemi

Introduction

The NCP1251ASN100T1G is a highly integrated primary-side regulated flyback controller IC that provides a complete solution for offline AC/DC power supplies.

Product Features and Performance

Primary-side regulated flyback controller with integrated power MOSFET

Integrated 800V power MOSFET

100 kHz switching frequency

Excellent line and load regulation

Precise output voltage regulation without secondary-side feedback

Overpower, overvoltage, and short-circuit protection

Soft start function for smooth start-up

Product Advantages

Highly integrated design reduces component count and simplifies power supply design

Excellent regulation performance without secondary-side feedback

Robust protection features for reliable operation

Wide input voltage range for various applications

Key Technical Parameters

Input Voltage Range: 8.8V to 28V

Switching Frequency: 100 kHz

Output Isolation: Isolated

Duty Cycle: 80%

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

RoHS3 compliant

Overpower, overvoltage, and short-circuit protection

Compatibility

Suitable for various offline AC/DC power supply applications

Application Areas

Chargers and adapters for consumer electronics

Industrial power supplies

LED lighting power supplies

Product Lifecycle

The NCP1251ASN100T1G is an active product and not nearing discontinuation. Replacement or upgrade options may be available from onsemi.

Key Reasons to Choose This Product

Highly integrated design for simplified power supply design

Excellent regulation performance without secondary-side feedback

Robust protection features for reliable operation

Wide input voltage range for versatile applications