4.1 Series operation
¡
In series operation, connect each PO and ALM pin mutually, wiring
as Fig.4.1.
4 Series and Parallel Operation
4.2 Parallel operation
¡
In parallel operation, connect each PO and ALM pin mutually, wir-
ing as Fig.4.2.
¡
To improve the load sharing of each unit, please use the same
length from each unit to the load.
¡
Total number of units should be no more than 10 pieces.
5 Cleaning
¡
When cleaning is necessary, follow the undermentioned condition.
Method: Immersion, ultrasonic wave and vapor
Cleaning agents: IPA (Solvent type)
Total time: 2 minutes or less
¡
After cleaning, dry them enough.
¡
To stock unpacked products in your inventory, it is recommended
to be kept under controlled condition, 5-30
C
, 60%RH and be
used within a year.
¡
24-hours-baking is recommended at 125
C
, if unpacked products
was kept under uncontrol condition, in which 30
C
, 60%RH or
higher.
Original tray is not heat-resistant, please move them to heat-
resistant tray preparing to bake them.
To check moisture condition in the pack, silica gel packet has
some moisture condition indicator particle.
Indicated blue means good. Pink means alarm to bake it.
¡
Notification. the tray will be deformed and the power supply might
be damaged, if the vacuum pressure is too much to reseal.
6 Storage method
DC-DC Converters PCB Mount Type
Instruction Manual
(b) Connection 2
(a) Connection 1
Fig.4.1 Examples of series operation
+Vin
RC
PO
ALM
-Vin
+Vout
-Vout
SW
LED
Fuse
Fuse
DC
input
+Vin
RC
PO
ALM
-Vin
+Vout
-Vout
Load
+Vin
RC
PO
ALM
-Vin
+Vout
-Vout
SW
LED
Fuse
DC
input
+Vin
RC
PO
ALM
-Vin
+Vout
-Vout
Fuse
Load
Load
Fig.4.2 Example of parallel operation
+
Vin
RC
PO
ALM
-
Vin
+
Vout
-
Vout
SW
LED
Fuse
Fuse
DC
Input
+
Vin
RC
PO
ALM
-
Vin
+
Vout
-
Vout
Load
SFS/SFCS-23
June 26, 2020
