NCP1607 Ver la hoja de datos (PDF) - ON Semiconductor

Número de pieza

componentes Descripción

Fabricante

NCP1607

Cost Effective Power Factor Controller

ON Semiconductor 

NCP1607

VCC

VOUT

CBULK

DBOOST

Shutdown

POK

ROUT1

−

+

VUVP

UVP

FB

E/A −

(Enable EA)

Dynamic OVP

+

Isink>Iovp

ROUT2

CCOMP

ESD

RFB

VREF

Enable

VCONTROL

Measure

IEAsink

VDD

VEAL

Clamp

Static OVP

Static OVP is triggered

when clamp is activated.

AC IN LBOOST

Control

CT

CT

CS

RS

RZCD

ZCD

ESD

VDD

ICHARGE

ESD

VEAH

Clamp

Add VEAL

Offset

PWM

−

+

DRV

LEB

ESD

+ OCP

−

VCS(limit)

Demag

VDD

VCL(NEG)

Active

Clamp

+

−

SQ

VZCDH

+

RQ

−

VZCDL

Off Timer

−

Reset

+

Shutdown

VCL(POS)

Clamp

VSDL

uVDD

POK

SQ

RQ

SQ

RQ

SQ

RQ

VCC

UVLO

+

−

VDD Reg

VDD

VDDGD

Fault

uVDD

VCC

UVLO

SQ

RQ

VDDGD

uVDD

POK

DRV

GND

*All SR Latches are Reset Dominant

Figure 2. Block Diagram

http://onsemi.com

2

Share Link: