viper22as13tr STMicroelectronics, viper22as13tr Datasheet - Page 5

• Manufacturer Part Number: viper22as13tr
• Description: Low Power Off Line Smps Primary Switcher
• Manufacturer: STMicroelectronics

Figure 1 : Rise and Fall Time
Figure 2 : Start Up VDD Current
Figure 3 : Restart Duty Cycle
V
V
V
10%
I
V
DDoff
I
DDon
DDch
90%
DD
DS
I
DD
DD0
I
D
V
DDhyst
V
DDoff
t
fv
D
RST
t
V
CH
DDon
=
-------------------------
t
ST
V
F
DS
sw
t
+
S T
t
= 100 V
= 0 kHz
CH
t
ST
t
rv
V
t
t
DD
t
10 F
VIPer22A
FB
VDD
CONTROL
C << Coss
2V
FB
SOURCE
VIPer22A
DRAIN
VIPer22ADIP / VIPer22AS
C
VDD
CONTROL
L
D
SOURCE
DRAIN
300V
100V
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