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NCP1568D

ON Semiconductor
Part Number NCP1568D
Manufacturer ON Semiconductor
Description DC-DC Active Clamp Flyback PWM
Published Nov 6, 2022
Detailed Description DC-DC Active Clamp Flyback PWM IC Product Preview NCP1568D The NCP1568D is a highly integrated PWM controller designed ...
Datasheet PDF File NCP1568D PDF File

NCP1568D
NCP1568D

Overview
DC-DC Active Clamp Flyback PWM IC Product Preview NCP1568D The NCP1568D is a highly integrated PWM controller designed to implement an active clamp flyback topology.
NCP1568D 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 NCP1568D features a HV startup circuit, a strong low side driver, and a 5 V logic level driver for the active clamp FET.
The NCP1568D is suitable for a variety of applications including power brick, industrial, telecom, lighting, and other applications where power density and efficiency are important requirements.
The NCP1568D also features multimode operation and transitions from ACF mode to Discontinuous Conduction Mode (DCM) to have outstanding light load operation.
The NCP1568D 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 NCP1568D with Super−Junction MOSFETs (Si) and Gallium Nitride (GaN) FETs.
Features • Active Clamp Flyback Topology Aids in ZVS • Proprietary Multi−Mode Operation to Enhance Efficiency at all Loads • Proprietary Adaptive ZVS Algorithm Allows High Frequency Operation while Reducing EMI • Adaptive Dead−Time Control Both Main and Active Clamp FETs • Peak Current−Mode Control with built in Slope Compensation Options • Flexible Control Scheme and Programmability Allow for Configuration with Either External Silicon or GaN FETs • Programmable Optional Transition to DCM • DCM Mode Frequency Foldback with Minimum Frequency Clamp • Quiet Skip Eliminates Audible Noise • 700 V Startup Circuit • 0.
85 A/1.
5 A Source/Sink for Low Side • 6...


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