Ultra Low Noise, Ultra Compact, Isolated type DC-DC Converter
b
6Watt BLC05 Series
4-3 Temperature derating
自然空冷
Natural cooling
100
80
60
40
20
0
-40 -30 -20 -10
0
10
20
40
60
70
80
30
50
Ambient temperature (°C)
周囲温度（℃）
Note) at rated output
4-4 Measurement circuit
1
7
6
+Vin
+Vout
-Vout
SW1
C2
Output ON
Open:出力=ON
Shrt:出力=OFF
SW2
V
Load
Output OFF
+Vin
C1
V
A
Open:Vout=5V
BLC-S Series
Shrt:Vout=5V→6V
-Vin
(Multi-layered ceramic capacitor)
A
C1=10μF(積層セラミック)
2
3
(Multi-layered ceramic capacitor)
C2=0.47μF(積層セラミック）
SW1
NC
5
4
SW2
ON/OFF
Vadj
1
7
A
+Vin
+Vout
SW1
Output ON
C4
C5
Open:出力=ON
Output OFF
V
V
Load
Load
+Vin
Shrt:出力=OFF
C3
V
SW2
Common
Open:Vout=±12V
Shrt:Vout=±12V→±15V
BLC-W Series
6
5
(Multi-layered ceramic capacitor)
A
-Vin
C3=10μF(積層セラミック)
(Multi-layered ceramic capacitor)
C4,C5=0.47μF（積層セラミック）
2
SW1
-Vout
Vadj
A
ON/OFF
+Vout
3
4 SW2
OSC
オシロスコープ
Oscilloscope
-Vout
Cx
Rx
Coaxial cable
(Measurement
（リップル･
同軸ケーブル:50Ω 1.5m
Rx:51Ω
Cx:0.1μF
of ripple noise)
ノイズの測定）
GND
4
DC-DC Converter
BDD20170524_A01
BELLNIX [ Bellnix ]
