HYBRID IC
PRELIMINARY
Notice: This is not a final specification
Some parametric limits are subject to change
YS243DS-05
HYBRID IC FOR ON-BOARD POWER SUPPLY
DESCRIPTION
The
YS243DS-05
is
a
thin-profile
and
lightweight
single-output DC-DC converter. Its output power is 3W and
the input is insulated from the output. With an over-current
protection circuit built-in, the YS243DS-05 is an optimum
solution for onboard power supplies in FA, OA, and control
equipment.
1
2
+Vin
OUTLINE DRAWING
Pin name
243S05
+Vo
Dimensions: mm
7.62
4
15.24
22.0
3
7.62
φ1.0
8.5
-Vo
-Vin
34.0
FEATURES
•Input voltage range: 18 to 36V DC
•Output: +5V, 600�½�A (output power: 3W)
•Thin-profile and lightweight design
•Insulation between input and output: 500V DC, 1min
•Built-in over-current protection circuit
APPLICATIONS
Best suited to onboard power supplies in FA, OA, and
control equipment.
29.21
BLOCK DIAGRAM
LC FILTER
LC FILTER
+V
IN
1
4
+Vo
CONSTANT-
VOLTAGE
CIRCUIT
BASE
DRIVER
OVER-CURRENT
PROTECTION
CIRCUIT
3
-Vo
-V
IN
2
OPTOCOUPLER
ISAHAYA [ ISAHAYA ELECTRONICS CORPORATION ]
