VIPER53E-E STMicroelectronics, VIPER53E-E Datasheet - Page 22

• Manufacturer Part Number: VIPER53E-E
• Description: Fixed frequency off line converter
• Manufacturer: STMicroelectronics

Operation pictures
22/31
Figure 9.
Figure 11. Thermal Shutdown
T
I
I
V
SD
DDch2
DDch1
COMP
-T
V
I
I
DD
DD0
V
DDon
HYST
T
DD
T
SD
j
Start-up V
V
DDhyst
V
DDoff
DD
current
V
F
V
DS
SW
DDon
= 100 V
Automatic
= 0 kHz
startup
DocRev1
V
DD
Figure 10. Blanking Time
Figure 12. Overvoltage Event
V
V
COMP
DDovp
V
V
DD
DS
t
t
t
b
b1
b2
VIPer53EDIP - E / VIPer53ESP - E
V
Switching
COMPbl
Abnormal
operation
V
COMPhi
switching
Not
V
COMP