B7
Series
1. Features :
10 to 15 Watt Isolated DC-DC Converter
Single / Dual Output
!
Wide 2：1 Input Range
!
Low Ripple and Noise
!
Input / Output Isolation 1.5K Vdc or 3K Vdc
!
100 % Burn-In
!
Input
π-
Filter
!
Custom Design Available
2. Absolute maximum ratings：
：
( Exceeding these values may damage the module. These are not continuous operating ratings )
Parameter
Condition
12V Input Model
Input
Absolute
Voltage Range
24V Input Model
48V Input Model
Output Short circuit duration
Reverse Polarity Input current Limit
Operating temperature
Storage temperature
Nominal Input Range
---
Output Full Load
Min.
-0.7
-0.7
-0.7
Typ.
12
24
48
Max.
22.5
45
90
Vdc
Unit
Indefinite & Auto-Restart
---
-25
-55
---
---
---
1
+71
+105
A
℃
3. Nominal Input / Output Electrical Specifications :
( Specifications typical at Ta = +25℃, nominal input voltage, rated output current unless otherwise noted )
Parameter
Condition
12V Input Model
Input Voltage Range
24V Input Model
48V Input Model
Line Regulation
Load Regulation
Output Voltage Accuracy
Output Voltage Balance
Switching Frequency
Temperature Coefficient
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Standard Series
High Isolation Series
500 Vdc
1 KHz / 250 mV rms
Output full Load
Single Output Model
Dual Output Model
Nominal Input
Dual Output at same Load
Nominal Input
---
---
---
---
1500
3000
1000
---
± 1.0
---
250
± 0.01
---
---
---
350
Min.
9
18
36
---
---
Typ.
12
24
48
---
---
Max.
18
36
72
± 0.5
± 0.5
±2
± 2.0
± 1.0
---
± 0.02
---
---
---
---
MΩ
pF
KHz
%/
℃
Vdc
%
Vdc
Unit
BOTHHAND USA. http://www.bothhand.com
B7
Series
4. Single Output Selection Guide：
：
Input
Bothhand
Voltage Voltage
Model No.
(Vdc)
(Vdc)
(mA) Max
(mA) Typ.
Current
@ No Load
Output
Output
10 to 15 Watt Isolated DC-DC Converter
Single / Dual Output
( Specifications typical at Ta = +25
℃,
Nominal input voltage, Rated output current unless otherwise noted )
Input Current Input Current
@ Max. Load
(mA) Typ.
Output
Ripple
(mV) Max.
Load
Efficiency
Regulation
(%) Typ.
(%) Max.
10 W Single output Series
：
B7-123R3S10
9 ~ 18
B7-1205S10
B7-2405S10
18 ~ 36
B7-2412S10
B7-4805S10
36 ~ 72
12.0
5.0
800
2000
15
7
482
260
100
50
± 0.5
± 0.5
83
80
5.0
5.0
2000
2000
25
13
1042
514
50
50
± 0.5
± 0.5
80
81
3.3
2500
20
870
50
± 0.5
79
15 W Single output Series
：
B7-1205S15
9 ~ 18
B7-1212S15
B7-2405S15
18 ~ 36
B7-2412S15
B7-4805S15
36 ~ 72
B7-4812S15
B7-xxxxSxx
Notes：
1.
2.
5.0
12.0
5.0
12.0
5.0
12.0
3000
1250
3000
1250
3000
1250
22
30
17
20
12
15
1582
1543
781
762
396
381
50
100
50
100
50
100
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
79
81
80
82
79
82
Standard output Voltage is 3.3V, 5V, 9V, 12V, 15V,
Suffix “H” for 3K Vdc Isolation. ( B7-xxxxSxxH )
B7-xxxxSxx is for Customer Design.
Mechanical
：
( Single O/P )
Units : mm ( inch )
+
Tolerance : .xx ± 0.25
( ± 0.01 )
BOTHHAND USA. http://www.bothhand.com
B7
Series
5. Dual Output Selection Guide：
：
Input
Bothhand
Voltage
Model No.
(Vdc)
(Vdc)
(mA) Max
(mA) Typ.
Voltage
Current
@ No Load
Output
Output
10 to 15 Watt Isolated DC-DC Converter
Single / Dual Output
( Specifications typical at Ta = +25
℃,
Nominal input voltage, Rated output current unless otherwise noted )
Input Current Input Current
@ Max. Load
(mA) Typ.
Output
Ripple
(mV) Max.
Load
Efficiency
Regulation
(%) Typ.
(%) Max.
10 W Dual output Series
：
B7-1205D10
B7-2405D10
18 ~ 36
B7-2415D10
B7-4805D10
36 ~ 72
B7-4815D10
± 15.0
± 325
15
254
120
±2
80
15 W Dual output Series
：
B7-1205D15
9 ~ 18
B7-1212D15
B7-2405D15
18 ~ 36
B7-2412D15
B7-4805D15
36 ~ 72
B7-4815D15
B7-xxxxDxx
Notes：
1.
2.
9 ~18
± 5.0
± 5.0
± 15.0
± 5.0
± 1000
± 1000
± 325
± 1000
27
18
20
12
1068
527
495
260
50
50
120
50
±2
±2
±2
±2
78
79
82
80
± 5.0
± 12.0
± 5.0
± 12.0
± 5.0
± 15.0
± 1500
± 625
± 1500
± 625
± 1500
± 500
27
32
20
22
12
15
1603
1563
791
772
396
381
50
100
50
100
50
120
±2
±2
±2
±2
±2
±2
78
80
79
81
79
82
Standard output Voltage is 3.3V, 5V, 9V, 12V, 15V,
Suffix “H”
for 3K Vdc Isolation. ( B7-xxxxDxxH )
B7-xxxxDxx is for Customer Design.
Mechanical
：
( Dual O/P )
Units : mm ( inch )
Tolerance : .xx ± 0.25
+
( ± 0.01 )
BOTHHAND USA. http://www.bothhand.com
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