NCP1252BDR2G - onsemi

Manufacturer Part Number

NCP1252BDR2G

Manufacturer

onsemi

Introduction

The NCP1252BDR2G is a PWM controller designed for offline power supplies that can operate in either flyback or forward topology.

Product Features and Performance

No internal switches, enabling external switch choice flexibility

Supports isolated power supply designs

Flyback and Forward topology support

10V startup voltage facilitates power-up

Wide supply voltage range from 9V to 28V

High duty cycle of up to 80%

Switching frequency up to 500kHz facilitates compact designs

Incorporates current limiting for fault protection

Features like frequency control and soft start support efficient operation

High operating temperature tolerance (-25°C to 125°C)

Product Advantages

High flexibility in circuit design due to no internal switches

High-frequency operation allows for smaller passive components

Temperature range ensures reliability in various operating conditions

Advanced protection features enhance product longevity

Key Technical Parameters

Topology: Flyback, Forward

Voltage Start Up: 10V

Voltage Supply (Vcc/Vdd): 9V ~ 28V

Duty Cycle: 80%

Frequency Switching: Up to 500kHz

Operating Temperature: -25°C ~ 125°C (TJ)

Quality and Safety Features

Current limiting for protection against overcurrent conditions

Reliable operation supported by a wide range of operating temperatures

Compatibility

Surface mount technology for PCB integration

Compatible with isolated power supply applications

Application Areas

Offline AC/DC power supplies

Power adaptors

Power supplies for telecom and consumer electronics

Product Lifecycle

Active product status indicates current production with availability

No indication of discontinuation, replacements, or upgrades as of the knowledge cut-off date

Several Key Reasons to Choose This Product

High efficiency with frequency control and soft start features

Wide input voltage range caters to a variety of power sources

Increased flexibility in design with external switch configuration

Robust operation in a wide range of environmental conditions

Suitable for high-density power supply designs due to its high switching frequency