NCP1380CDR2G datasheet(5/26 Pages) ONSEMI

Part #	NCP1380CDR2G

Description	Quasi-Resonant Current-Mode Controller for High-Power Universal Off-Line Supplies

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NCP1380

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Ct

ICt

+

−

+

−

ZCD

La ux

10 V

ESD

Vth

DRV

de ma g

S

R

Q

/ 4

VCC

VDD

VCC

aux

V CC management

latch

VDD

Rpullup

fa ul t

DRV

ga te

gr a nd

reset

gr a nd

reset

gr a nd

reset

DRV

clamp

IpFl a g

P W Mreset

OVP/BO

GN D

Up

Down

TIMER

Res et

VCCstop

HV

+

−

IBO

noi s e de l a y

VBO

BO r es et

+

−

Vclamp

VOVP

nois e de la y

BO reset

LOGIC BLOCK

VDD

Rclamp

VDD

C :

l a tc he d

CS

Rsense

LEB 1

Soft-start

Soft−s ta r t e nd ? the n 1

else 0

IpFlag

+

−

SS end

P W Mreset

OPP

VILIMIT

LEB 2

+

−

VCS ( stop)

CsS top

LEB 2 is shorter than LEB 1

CsS top

5 ms

Time Out

40 ms

Time Out

SS end

The 40 ms Time Out is active

only during s oft−sta r t

SS end

Figure 4. Internal Circuit Architecture for Versions C and D

S

R

Q

Ipeak(VCO) = 17.5% VILIMIT

Ct se tpoint

3 ms blanking

Ct

discharge

Similar Part No. - NCP1380CDR2G

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	NCP1380CDR2G	424Kb / 28P	Quasi-Resonant Current-Mode Controller for High-Power Universal Off-Line Supplies February, 2018 - Rev. 6

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NCP1380CDR2G Datasheet(PDF) 5 Page - ON Semiconductor

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Similar Description - NCP1380CDR2G

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