NCP1652

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?Power Factor Controller (PFC), High Efficiency, Single Stage

制造商：ON

中文數(shù)據(jù)手冊

產(chǎn)品信息

The NCP1652 is a highly integrated controller for implementing power factor correction (PFC) and isolated step down ac-dc power conversion in a single stage, resulting in a lower cost and reduced part count solution. This controller is ideal for notebook adapters, battery chargers and other off-line applications with power requirements between 75 W and 150 W. The single stage is based on the flyback converter and it is designed to operate in continuous conduction (CCM) or discontinuous conduction (DCM) modes.
The NCP1652 increases the system efficiency by incorporating a secondary driver with adjustable nonoverlap delay for controlling a synchronous rectifier switch in the secondary side, an active clamp switch in the primary or both. In addition, the controller features a proprietary Soft-Skip? to reduce acoustic noise at light loads. Other features found in the NCP1652 include a high voltage startup circuit, voltage feedforward, brown out detector, internal overload timer, latch input and a high accuracy multiplier.

Dual Control Outputs with Adjustable Non Overlap Delay for Driving a Synchronous Rectifier Switch, an Active Clamp Switch or Both
Voltage Feedforward
Frequency Jittering
Proprietary Soft-Skip? at Light Loads
High Accuracy Multiplier
Brown Out Detector
Internal 150 ms Fault Timer
Independent Latch-Off Input Facilitates Implementation of Overvoltage and Overtemperature Fault Detectors
Single Stage PFC and Isolated Step Down Converter
Continuous or Discontinuous Conduction Mode Operation
Average Current Mode Control (ACMC), Fixed Frequency Operation
Adjustable Operating Frequency from 20 kHz to 250 kHz

電路圖、引腳圖和封裝圖

NCP1652電路圖
NCP1652電路圖

在線購買

型號	制造商	描述	購買
NCP1652ADR2G	ON	IC PFC CTLR STEPDOWN 16SOIC	立即購買
NCP1652DWR2G	ON	IC PFC CONTROLLER CCM/DCM 20SOIC	立即購買
NCP1652DR2G	ON	IC PFC CONTROLLER CCM/DCM 16SOIC	立即購買

技術(shù)資料

標題	類型	大?。↘B）	下載
NCP1652 Design Worksheet	XLS	1549	點擊下載
Controller, PFC, High Efficiency, Single Stage	PDF	340	點擊下載
A 48 V/ 2 A High Efficiency, Single Stage, Isolated Power Factor Corrected Power Supply for LED Drivers and Telecom Power	PDF	200	點擊下載
A 90 W/19V High Efficiency, Notebook Adapter Power Supply with Inherent Power Factor Correction	PDF	145	點擊下載
SOIC 16 LEAD	PDF	37	點擊下載
SOIC-20 WB	PDF	35	點擊下載
NCP1652_PO.JPG	UNKNOW	42	點擊下載
NCP1652_PD.JPG	UNKNOW	47	點擊下載

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