2 to 6 Watt Isolated DC-DC Converter
BD Series
Single / Dual Output
4. Single Output Selection Guide：
( Specifications typical at Ta = +25 ℃, Nominal input voltage, Rated output current unless otherwise noted )
Input
Voltage Voltage
(Vdc) (Vdc)
Output
Output
Current
Input Current Input Current
Output
Ripple
Load
Bothhand
Model No.
Efficiency
(%) Typ.
@ No Load
(mA) Typ.
@ Max. Load
(mA) Typ.
Regulation
(mA) Max
(mV) Max. (%) Max.
2 W Single output Series
BD-1205S2
9 ~ 18
BD-1215S2
5.0
400
134
400
167
134
400
167
9
9
6
6
6
3
3
235
226
116
113
109
57
50
120
50
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
71
74
72
74
77
73
76
15.0
5.0
BD-2405S2
18 ~ 36
36 ~ 75
BD-2412S2
BD-2415S2
BD-4805S2
BD-4812S2
12.0
15.0
5.0
100
120
50
12.0
55
100
4 W Single output Series
BD-123R3S4
3.3
5.0
1000
800
333
800
333
267
800
333
19
20
22
10
13
15
6
357
422
416
211
208
201
105
104
50
50
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
77
79
80
79
80
83
79
80
9 ~ 18
BD-1205S4
BD-1212S4
BD-2405S4
BD-2412S4
BD-2415S4
BD-4805S4
BD-4812S4
12.0
5.0
100
50
18 ~ 36
36 ~ 75
12.0
15.0
5.0
100
120
50
12.0
7
100
6 W Single output Series
BD-1205S6
9 ~ 18
BD-1212S6
5.0
12.0
5.0
1200
500
19
20
10
13
13
6
633
625
316
313
313
158
154
50
100
50
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
79
80
79
80
80
79
81
BD-2405S6
1200
500
18 ~ 36
36 ~ 75
BD-2412S6
BD-2415S6
BD-4805S6
BD-4812S6
BD-xxxxSx
Notes：
12.0
15.0
5.0
100
120
50
400
1200
500
12.0
8
100
1. Standard output Voltage is 3.3V, 5V, 9V, 12V, 15V, BD-xxxxSx is for Customer Design.
2. Load regulation is for output current change from 0 % to 100 % Max. Load.
3. Suffix “H” for 3.5K Vdc Isolation…… ( BD-xxxxSxH )
4. Suffix “M” for Metal case …………… ( BD-xxxxSxM )
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