VIPER53-E View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

VIPER53-E

OFF-line primary switch

STMicroelectronics 

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VIPer53 - E

4

Operation pictures

Operation pictures

Figure 3. Rise and fall time

ID

VDS

90%

tfv

10%

C<<C OSS

C

L

D

t

VDD

DRAIN

trv

t

OSC

15V

TOVL

COMP SOURCE

300V

Figure 4. Overloaded event

VDD

Normal

operation

VDDon

VDDoff

Abnormal

operation

VCOMP

VDIFFovl

VTOVL

VOVLth

tOVL

VDS

Not

switching

Switching

9/36

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