VIPer12ADIP
VIPer12AS
LOW POWER OFF LINE SMPS PRIMARY SWITCHER
TYPICAL POWER CAPABILITY
Mains type SO-8 DIP8
European
(195 - 265 Vac) 8 W 13 W
US / Wide range
(85 - 265 Vac) 5 W 8 W
FIXED 60 KHZ SWITCHING FREQUENCY
9V TO 38V WIDE RANGE VDD VOLTAGE
CURRENT MODE CONTROL
AUXILIARY UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
HIGH VOLTAGE START UP CURRENT SOURCE
OVERTEMPERATURE, OVERCURRENT AND OVERVOLTAGE PROTECTION WITH AUTORESTART
DESCRIPTION
The VIPer12A combines a dedicated current mode
PWM controller with a high voltage Power MOSFET on the same silicon chip. Typical
applications cover off line power supplies for
battery charger adapters, standby power supplies
for TV or monitors, auxiliary supplies for motor
control, etc. The internal control circuit offers the
following benefits:
– Large input voltage range on the VDD pin
accommodates changes in auxiliary supply
voltage. This feature is well adapted to battery
charger adapter configurations.
– Automatic burst mode in low load condition.
– Overvoltage protection in hiccup mode.
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