HYBRID IC
VLA312-2425
ISOLATED TYPE DC-DC CONVERTER
DESCRIPTION
The VLA312-2425 is an isolated DC-DC converter designed
to control the industrial equipment. It can input the rectified
AC480V (DC850Vmax) directly and convert to low voltage.
Total output power is 25W.
FEATURES
•Input ------------
475V to 850V DC
•Output----------- +24V, 1.05A (25.2W)
•Electrical isolation (between input and output)
------------- 2500Vrms 1 minute
•Over current protection (auto resumption)
•Over voltage protection
APPLICATIONS
On-board pre-regulator for industrial control equipment
BLOCK DIAGRAM
+V
IN
RECTIFIER
-Vo
+Vo
CURRENT
SENSING
FG
-V
IN
GATE
POWER
CONTROL
POWER
MAIN
CONTROL
HIGH SIDE
DRIVE
LOW SIDE
DRIVE
ISAHAYA [ ISAHAYA ELECTRONICS CORPORATION ]
