VIPER12A-E STMicroelectronics, VIPER12A-E Datasheet - Page 12

• Manufacturer Part Number: VIPER12A-E
• Description: Fixed frequency off line converter
• Manufacturer: STMicroelectronics

Specifications of VIPER12A-E

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

Overvoltage threshold
8
12/21
Overvoltage threshold
An overvoltage detector on the V
exceeds V
overvoltage event. Note that this event is only latched for the time needed by V
V
Figure 8.
DDoff
, and then the device resumes normal operation automatically.
DDovp
Overvoltage sequence
V
V
V
V
V
DDovp
DDoff
DDon
. This is illustrated in
DD
DS
Doc ID 11977 Rev 2
DD
pin allows the VIPER12A to reset itself when V
Figure
8., which shows the whole sequence of an
t
t
VIPER12A-E
DD
to reach
DD