NCP1251ASN65T1G - onsemi

Manufacturer Part Number

NCP1251ASN65T1G

Manufacturer

onsemi

Introduction

The NCP1251ASN65T1G belongs to onsemi's range of Power Management Integrated Circuits (PMIC), specifically designed for AC DC Converters and Offline Switch applications.

Product Features and Performance

Flyback topology for efficient power conversion

No internal switches to reduce complexity

Operates at a 65kHz switching frequency for optimized performance

Supports a wide supply voltage range from 8.8V to 28V

Up to 80% duty cycle for higher efficiency power delivery

Fault protection features include Over Power, Over Voltage, and Short Circuit protection

Can sustain operating temperatures from -40°C to 125°C

Product Advantages

Designed for isolated output applications

High switching frequency allows for smaller component size

Wide operating voltage range for versatile power supply design

Integrated fault protection enhances system reliability

Key Technical Parameters

Topology: Flyback

Voltage - Start Up: 18V

Voltage - Supply (Vcc/Vdd): 8.8V ~ 28V

Duty Cycle: 80%

Frequency - Switching: 65kHz

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Over Power, Over Voltage, and Short Circuit protection

High temperature operational capability ensures reliability in stressful conditions

Compatibility

This PMIC is compatible with applications requiring AC DC conversion with flyback topology

Mounts via Surface Mount technology on SOT-23-6 Thin, TSOT-23-6 package

Application Areas

Offline power supplies

AC DC converters for consumer electronics

Power adapters and battery chargers

Product Lifecycle

The NCP1251ASN65T1G is listed as an Obsolete product

Potential buyers should consider looking for replacements or upgrades

Several Key Reasons to Choose This Product

Obsolete status indicates a push towards newer, possibly more efficient components

High switching frequency for reduced-size passive components

Wide supply voltage range offers design flexibility

Integrated protection features safeguard against common power issues

High duty cycle enables effective power delivery in high-efficiency systems

Able to operate in extreme temperature conditions for a wide range of applications