BOTHHAND B7

B7 Series
10 to 15 Watt Isolated DC-DC Converter
Single / Dual Output
1. Features :
! 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
Input Absolute Voltage Range
Output Short circuit duration
Reverse Polarity Input current Limit
Operating temperature
Condition
Min.
Typ.
Max.
12V Input Model
-0.7
12
22.5
24V Input Model
-0.7
24
45
48V Input Model
-0.7
48
90
Nominal Input Range
Vdc
Indefinite & Auto-Restart
---
---
---
1
Output Full Load
-25
---
+71
-55
---
+105
Storage temperature
Unit
A
℃
3. Nominal Input / Output Electrical Specifications :
( Specifications typical at Ta = +25℃, nominal input voltage, rated output current unless otherwise noted )
Parameter
Input Voltage Range
Line Regulation
Load Regulation
Condition
Min.
Typ.
Max.
12V Input Model
9
12
18
24V Input Model
18
24
36
48V Input Model
36
48
72
Output full Load
---
---
± 0.5
Single Output Model
---
---
± 0.5
Dual Output Model
Output Voltage Accuracy
Output Voltage Balance
Switching Frequency
Isolation Resistance
Isolation Capacitance
Vdc
%
Nominal Input
---
± 1.0
± 2.0
Dual Output at same Load
---
---
± 1.0
---
250
---
KHz
---
± 0.01
± 0.02
%/ ℃
Standard Series
1500
---
---
High Isolation Series
3000
---
---
500 Vdc
1000
---
---
MΩ
1 KHz / 250 mV rms
---
350
---
pF
Nominal Input
Temperature Coefficient
Isolation Voltage
±2
Unit
BOTHHAND USA. http://www.bothhand.com
Vdc
B7 Series
10 to 15 Watt Isolated DC-DC Converter
Single / Dual Output
4. Single Output Selection Guide：
：
( Specifications typical at Ta = +25 ℃, Nominal input voltage, Rated output current unless otherwise noted )
Input
Output
Output
Input Current Input Current
Output
Load
Voltage Voltage
Current
@ No Load
@ Max. Load
Ripple
Regulation
(mA) Max
(mA) Typ.
(mA) Typ.
(mV) Max.
(%) Max.
3.3
2500
20
870
50
± 0.5
79
5.0
2000
25
1042
50
± 0.5
80
5.0
2000
13
514
50
± 0.5
81
12.0
800
15
482
100
± 0.5
83
5.0
2000
7
260
50
± 0.5
80
5.0
3000
22
1582
50
± 0.5
79
12.0
1250
30
1543
100
± 0.5
81
5.0
3000
17
781
50
± 0.5
80
12.0
1250
20
762
100
± 0.5
82
5.0
3000
12
396
50
± 0.5
79
12.0
1250
15
381
100
± 0.5
82
Bothhand
Efficiency
Model No.
(%) Typ.
(Vdc)
(Vdc)
10 W Single output Series：
B7-123R3S10
9 ~ 18
B7-1205S10
B7-2405S10
18 ~ 36
B7-2412S10
B7-4805S10
36 ~ 72
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.
Standard output Voltage is 3.3V, 5V, 9V, 12V, 15V,
2.
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
10 to 15 Watt Isolated DC-DC Converter
Single / Dual Output
5. Dual Output Selection Guide：
：
( Specifications typical at Ta = +25 ℃, Nominal input voltage, Rated output current unless otherwise noted )
Input
Output
Output
Input Current Input Current
Output
Load
Voltage
Voltage
Current
@ No Load
@ Max. Load
Ripple
Regulation
(Vdc)
(Vdc)
(mA) Max
(mA) Typ.
(mA) Typ.
(mV) Max.
(%) Max.
± 5.0
± 1000
27
1068
50
±2
78
± 5.0
± 1000
18
527
50
±2
79
± 15.0
± 325
20
495
120
±2
82
± 5.0
± 1000
12
260
50
±2
80
± 15.0
± 325
15
254
120
±2
80
± 5.0
± 1500
27
1603
50
±2
78
± 12.0
± 625
32
1563
100
±2
80
± 5.0
± 1500
20
791
50
±2
79
± 12.0
± 625
22
772
100
±2
81
± 5.0
± 1500
12
396
50
±2
79
± 15.0
± 500
15
381
120
±2
82
Bothhand
Efficiency
Model No.
(%) Typ.
10 W Dual output Series：
B7-1205D10
9 ~18
B7-2405D10
18 ~ 36
B7-2415D10
B7-4805D10
36 ~ 72
B7-4815D10
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.
Standard output Voltage is 3.3V, 5V, 9V, 12V, 15V,
2.
Suffix “H”
B7-xxxxDxx is for Customer Design.
for 3K Vdc Isolation. ( B7-xxxxDxxH )
Mechanical：( Dual O/P )
Units : mm ( inch )
Tolerance : .xx ± 0.25
+
( ± 0.01 )
BOTHHAND USA. http://www.bothhand.com