VLA309-156R Datasheet, PDF (1/5 Pages) Isahaya Electronics Corporation – ISOLATED TYPE DC-DC CONVERTER

HYBRID IC
VLA309-156R
ISOLATED TYPE DC-DC CONVERTER
DESCRIPTION
The VLA309-156R is an isolated DC-DC converter design-
ed to control the industrial equipment. It can convert the
high voltage to low voltage 3 outputs. Total output power
is 8.5W.
FEATURES
•Input ------------ DC400V to 800V DC
•Output----------- +15V, 550mA (8.25W)
+5V, 500mA (2.5W)
-15V, 50mA (0.75W)
•Electrical isolation (between input and outputs)
------------- 2500Vrms 1 minute
OUTLINE DRAWING
91.0max
Dimensions : mm
19.5max
APPLICATIONS
On board power supply for control equipment
7.5max
31
2.54x30=76.20
7.5max
1
BLOCK DIAGRAM
TEST 1
TEST 2
NC 3
NC 4
+V_IN ⁵
6
Rs 12
-V_IN ⁹
10
TEST 11
SNUBBER
VOLTAGE
CONSTANT
20
21 +V_O1
23
24 COMMON
PWM
CONTROL
CURRENT
SENSING
VOLTAGE
CONSTANT
27 _-VO2
26 TEST
OPTO-COUPLER
IN 29
STEP-DOWN
CONVERTER
31 +V_O3
30 -V_O3