VIPER22A-E データシートの表示（PDF） - STMicroelectronics

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VIPER22A-E

Low power OFF-line SMPS primary switcher

STMicroelectronics 

VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E

5

Operation pictures

Figure 9. Rise and fall time

ID

VDS

90%

tfv

10%

t

trv

t

Figure 10. Start-up VDD current

IDD

IDD0

VDDhyst

Operation pictures

C

L

D

C << Coss

VDD

FB

CONTROL

VIPer22A

DRAIN

SOURCE

300V

IDDch

VDDoff

Figure 11. Restart duty-cycle

VDDon

VDD

100 V≤ VDS ≤ 400 V

Fsw = 0 kHz

VDD

VDDon

VDDoff

tCH

tST

DRST

=

---------t--S-----T----------

tST + tCH

10 F

t

VDD

FB

CONTROL

2V

VIPer22A

DRAIN

SOURCE

100V

Doc ID 12050 Rev 2

13/21

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