NCP4304

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Secondary Side Controller, Synchronous Rectification, for High Efficiency SMPS Topologies

制造商：ON

中文数据手册

产品信息

The NCP4304A/B is a full featured controller and driver tailored to control synchronous rectification circuitry in switch mode power supplies. Due to its versatility, it can be used in various topologies such as flyback, forward and Half Bridge Resonant LLC. The combination of externally adjustable minimum on and off times helps to fight the ringing induced by the PCB layout and other parasitic elements. Therefore, a reliable and noise less operation of the SR system is insured. The extremely low turn off delay time, high sink current capability of the driver and automatic package parasitic inductance compensation system allow to maximize synchronous rectification MOSFET conduction time that enables further increase of SMPS efficiency. Finally, a wide operating VCC range combined with two versions of driver voltage clamp eases implementation of the SR system in 24 V output applications.

Precise True Secondary Zero Current Detection with Adjustable Threshold
Automatic Parasitic Inductance Compensation
Typically 40 ns Turn off Delay from Current Sense Input to Driver
Zero Current Detection Pin Capability up to 200 V
Optional Ultrafast Trigger Input
Disable Input
Adjustable Minimum ON Time and Minimum OFF Time
5 A/2.5 A Peak Current Sink/Source Drive Capability
Operating Voltage Range up to 30V

电路图、引脚图和封装图

NCP4304电路图
NCP4304电路图

在线购买

型号	制造商	描述	购买
NCP4304AMNTWG	ON	IC SEC SIDE SYNC RECT DRV 8SOIC	立即购买
NCP4304BMNTWG	ON	IC SEC SIDE SYNC RECT DRV 8SOIC	立即购买
NCP4304ADR2G	ON	IC SEC SIDE SYNC RECT DRV 8SOIC	立即购买
NCP4304BDR2G	ON	IC SEC SIDE SYNC RECT DRV 8SOIC	立即购买

技术资料

标题	类型	大小（KB）	下载
Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies	PDF	478	点击下载
SOIC-8 Narrow Body	PDF	61	点击下载
8 PIN DFN, 4x4	PDF	59	点击下载
NCP4304_PO.PNG	UNKNOW	4	点击下载
NCP4304_MS.PNG	UNKNOW	24	点击下载
NCP4304_PD.PNG	UNKNOW	9	点击下载
NCP4304_AD.PNG	UNKNOW	44	点击下载
Utilizing GaN HEMTs in an All-in-One Workstation Power Supply	PDF	534	点击下载

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