VIPER22A-E STMicroelectronics, VIPER22A-E Datasheet - Page 13

• Manufacturer Part Number: VIPER22A-E
• Description: Fixed frequency off line converter
• Manufacturer: STMicroelectronics

Specifications of VIPER22A-E

• Constant Current Output: 350 mA, 700 mA, 1.05 A (selectable)
• Input Voltage Range: 90 to 264 VAC 50/60 Hz

VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E
5
Operation pictures
Figure 9.
Figure 10. Start-up V
Figure 11. Restart duty-cycle
V
V
V
DDoff
DDon
V
DD
10%
90%
DS
I
D
Rise and fall time
t
fv
D RST
I
DD
I
DDch
t
DD
CH
I
DD0
=
current
-------------------------- -
t
ST
t
V
ST
+
DDhyst
Doc ID 12050 Rev 2
t
V
CH
DDoff
t
ST
t
rv
t
t
V
t
DDon
10 F
100 V≤ V
F
sw
VIPer22A
FB
= 0 kHz
VDD
2V
CONTROL
C << Coss
DS
≤ 400 V
FB
VIPer22A
V
VDD
SOURCE
CONTROL
DD
DRAIN
C
Operation pictures
L
SOURCE
DRAIN
D
13/21
100V
300V