B9
Series
1. Features :
!
Wide 2：1 Input Range
!
Low Ripple and Noise
!
Input / Output Isolation 1K Vdc
!
100 % Burn-In
!
Output
π-
Filter
!
Custom Design Available
2 Watt Isolated DC-DC Converter
Low Enable Single Output
2. Absolute maximum ratings
：
( Exceeding these values may damage the module. These are not continuous operating ratings )
Parameter
Condition
5V Input Model
Input
Absolute
Voltage Range
12V Input Model
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
-0.7
---
-40
-55
Typ.
5
12
24
48
---
---
---
Max.
10
22.5
45
85
1
+85
+105
A
℃
Vdc
Unit
Indefinite & Auto-Restart
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
12V Input Model
24V Input Model
48V Input Model
Line Regulation
Load Regulation
Output Voltage Accuracy
Switching Frequency
Temperature Coefficient
Isolation Voltage
Isolation Resistance
Low-Enable Signal Logic level
Pin # 3 ( Ve )
Output Voltage => Low
60 Seconds / 0.5mA
500 Vdc
Output Voltage => Hi
Output full Load
Single Output Model
Nominal Input
Nominal Input
Min.
4.5
9
18
36
---
---
---
---
---
1000
1000
Typ.
5
12
24
48
---
---
± 1.0
150
± 0.01
---
---
Max.
9
18
36
75
± 0.5
± 0.5
± 2.0
---
± 0.02
---
---
KHz
%/
℃
Vdc
MΩ
%
Vdc
Unit
No Connection (Floating)
0
2.5
---
---
0.4
5.0
Vdc
BOTHHAND USA. http://www.bothhand.com
B9
Series
4. Single Output Selection Guide：
：
Input
Bothhand
Voltage
Model No.
(Vdc)
B9-0505S2
4.5 ~ 9
B9-0509S2
B9-1205S2
B9-1212S2
B9-1215S2
B9-2405S2
B9-2409S2
18 ~ 36
B9-2412S2
B9-2415S2
B9-4805S2
B9-4809S2
36 ~ 75
B9-4812S2
B9-4815S2
BB-xxxxSx
Notes：
1.
2.
2 Watt Isolated DC-DC Converter
Low Enable Single Output
( Specifications typical at Ta = +25
℃,
Nominal input voltage, Rated output current unless otherwise noted )
Output
Voltage
(Vdc)
5.0
9.0
5.0
9 ~ 18
12.0
15.0
5.0
9.0
12.0
15.0
5.0
9.0
12.0
15.0
Output
Current
(mA) Max
400
222
400
167
134
400
222
167
134
400
222
167
134
Input Current Input Current
@ No Load
(mA) Typ.
4
4
4
4
4
4
4
4
4
4
4
4
4
@ Max. Load
(mA) Typ.
667
615
219
209
209
107
104
104
105
56
54
54
54
Output
Ripple
(mV) Max.
50
80
50
100
120
50
80
100
120
50
80
100
120
Load
Efficiency
Regulation
(%) Typ.
(%) Max.
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
± 0.5
60
65
76
80
80
78
80
80
80
75
77
78
78
B9-xxxxSx is for Customer Design.
Load regulation is for output current change from 0 % to 100 % Max. Load.
Mechanical
Dimension
：
1K Vdc -
Pin
Single
1
2
3
4
5
6
7
8
-Vin
+Vin
Ve
---
NC
Vo (+)
Vo (-)
Cext
Note：”
--- “
means Omitted
BOTHHAND USA. http://www.bothhand.com
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