NCP1568 Product Preview Ac-Dc Active Clamp Flyback PWM IC

PublishTime：2022-06-20

■The NCP1568 is a highly integrated Ac−Dc PWM controller designed to implement an active clamp flyback topology. NCP1568 employs a proprietary variable frequency algorithm to enable zero voltage switching (ZVS) of Super−Junction or GaN FETs across line, load, and output conditions. The ZVS feature increases power density of a power converter by increasing the operating frequency while achieving high efficiency. The Active Clamp Flyback (ACF) operation simplifies EMI filter design to avoid interference with other sensitive circuits in the system. The NCP1568 features a HV startup circuit, a strong low side driver, and a 5 V logic level driver for the active clamp FET. The NCP1568 is suitable for a variety of applications including Ac−Dc adapters, industrial, telecom, lighting, and other applications where power density is an important requirement. The NCP1568 also features multimode operation and transitions from ACF mode to Discontinuous Conduction Mode (DCM) to meet regulatory requirements from around the world. The NCP1568 further implements skip in standby mode, resulting in excellent standby power. The combination of flexible control scheme and user programmable features allow the use of NCP1568 with Super−Junction MOSFETs (Si) and Gallium Nitride (GaN) FETs.

Brand of Product：	ON Semiconductor
Part#：	NCP1568 More Part#
Product Category：	Ac-Dc Active Clamp Flyback PWM IC 、 highly integrated Ac−Dc PWM controller More
Application：	[ USB Power Delivery ][ Notebook Adapters ][ High Density Chargers ][ Industrial Power Supplies ] More
Data Type：	Datasheet More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：	TSSOP−16
Language：	English Chinese Chinese and English Japanese
Date of Creation：	February, 2019
Version Number：	Rev. P4
Data Encoding：	NCP1568/D
Data Size：	1.8 MB

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