Ultra Low Noise, Ultra Compact, Isolated type DC-DC Converter
b
6Watt BLC05 Series
11. Serial operation method (example)
Serial operation is possible by wiring this product as per the following figure. Limit the output current not to
exceed the smaller rated current of the power supplies connected in series to avoid more current than rating
to run into the power supply.
+Vin
+Vout
1
7
BLC-S
Series
+Vin
D1
-Vin
-Vout
2
1
6
7
Load
+Vin
+Vout
BLC-S
Series
D2
-Vin
-Vout
2
6
Note) This product is not suitable for parallel operation.
Schottky diodes of low forward voltage are recommended for D1 and D2.
12. Soldering conditions
Observe the following conditions for soldering temperature and time. Flow mounting is not possible for this
product.
Reflow method
Reflow temperature profile
In the case of Sn-3Ag-0.5Cu series solder
A
1.0 ~ 3.0℃/s
TP
A' Ty1:
Ty2:
150±10℃
170±10℃
40 ~ 100s
225
Ty1 ~ Ty2:
1.0 ~ 4.0℃/s
B' TP:
Ty2
Ty1
B
245℃max.
and over
225℃以上:
20 ~ 40s
C
1.0 ~ 5.0℃/s
A
A'
B
B'
C
Soldering time (s)
半田付け時間(s)
Refrain from causing vibration of the product during the reflow.
The number of reflows shall be once (no mounting of the reverse side).
* Eutectic solder may be used so far as within the above profile condition.
10
BDD20170524_A01
DC-DC Converter
BELLNIX [ Bellnix ]
