bma1 bmb1 series

1 Watt Isolated DC-DC Converter
BMA1 / BMB1 Series
Dual Output
1 . Features
Input Filter With Internal Capacitor
SIL and DIL Package
Low Ripple And Noise
Input / Output Isolation 1K Vdc
100% Burn-In
Industry Standard Pinout
Custom Design Available
Net Weight : 3.0g / 3.7 g
Typical
RoHS Converter Certified By SGS
Safety Approval : EN60950-1
2 . Model Selection Guide
(Specifications typical at Ta= +25℃
℃, Nominal input voltage, Rated output current unless otherwise noted)
Model No.
Input
Voltage
(Vdc)
Output Output Input Current Input Current
Output
Load
Efficiency
Voltage Current
@No Load
@Max. Load
Ripple
Regulation
(%)Typ.
(Vdc) (mA) Max
(mA) Typ.
(mA) Typ.
(mV) Max. (%) Max.
1) Dual Output SIL Package Style
BMA1-48D1
±5
± 100
6
31
60
±10
72
±9
± 56
5.5
30
80
±10
74
BMA1-48D2
± 12
± 42
5.5
30
100
±10
73
BMA1-48D3
± 15
± 34
5.5
30
120
±10
74
±5
± 100
6
31
60
±10
72
±9
± 56
5.5
30
80
±10
74
BMB1-48D2
± 12
± 42
5.5
30
100
±10
73
BMB1-48D3
± 15
± 34
5.5
30
120
±10
74
BMA1-48DA
48
2) Dual Output DIL Package Style
BMB1-48D1
BMB1-48DA
48
3 . Absolute Maximum Ratings
(Exceeding these values may damage the module. These are not continuous operating ratings)
Parameter
Condition
Min.
Typ.
Max.
48V nominal Input
-0.7
48
60
Vdc
Max. Output Power
---
---
1
W
Output Short Circuit Duration
---
---
1.0
Second
-40
---
+85
-55
---
+105
Input Absolute Voltage Range
OperationTemperature(Ambient
Temperature)
Storage Temperature
Output Full Load
1
BOTHHAND USA [email protected]
Unit
℃
1 Watt Isolated DC-DC Converter
BMA1 / BMB1 Series
Dual Output
4 . Nominal Input/Output Electrical Specifications
(Specifications typical at Ta= +25℃
℃
,Nominal input voltage, Rated output current unless otherwise noted)
Parameter
Condition
Min.
Typ.
Max.
Unit
48V nominal Input
43.2
48
52.8
Vdc
Output Voltage Accuracy
---
---
± 5.0
Load Regulation(10% load to full load)
---
---
± 10
Voltage Balance (Dual Outputs)
---
---
± 1.0
Unbalanced load 10% to 100% full load
---
---
±15
Switching Frequency
---
100
---
KHz
Temperature Coefficient
---
± 0.01
± 0.02
%/ ℃
60 Second / 0.5 mA
1000
---
---
Vdc
Isolation Resistance
500 Vdc
1000
---
---
MΩ
Isolation Capacitance
1KHz / 250mV rms
---
30
---
pF
---
---
1.3
%
Input Voltage Range
Nominal Input
Isolation Voltage
Max. Line Regulation (Per 1.0 % change in input change)
%
5 . General Specification
Parameter
Specification
Isolation Voltage
1000 Vdc
Condition
Test Duration 60 Seconds / 0.5 mA
Isolation Resistance
1000 MΩ Min.
@ 500 Vdc
Operating Temperature (1)
-40℃ ~ +85℃
@ Ambient Temperature With Natural Convention
Operating Temperature (2)
-40℃ ~ +95℃
@ Case Surface Temperature
Storage Temperature
-55℃ ~ +105℃
---
Humidity
Up To 90 %
---
Cooling
Free Air Convection
---
Plastic
---
Case Type
6. Ordering Information
7 . Power Derating Curve
Temperature derating graph
Temperature Derating Graph
BMA1-xxD1
Output Power
Input Voltage
"S"For Single Output;"D" For Dual Output
Output Voltage:"0"For 3.3V;"1"For
5V;"A"For 9V;"2"For 12V;"3"For 15V
125%
Output Power(%)
Device Family
"A"For SIL Package;"B"For DIL Package
100%
75%
50%
25%
-40 -20
0
20
40
60
80 85 100 120
Operating Ambient Temperature(°C)
2
BOTHHAND USA [email protected]
BMA1 / BMB1 Series
1 Watt Isolated DC-DC Converter
Dual Output
8 . Mechanical Dimension
SIL Package Style
Pin
1K Vdc-Dual Output
1
+Vin
2
-Vin
3
No Pin
4
-Vo
5
Common
6
+Vo
Units : mm (inch)
Tolerance : 0.xx ± 0.25(0.xx ± 0.01)
DIL Package Style
Pin
1
1K Vdc-Dual Output
-Vin
+Vin
2
Pin
14
13
No Pin
3
4
Tolerance : 0.xx ± 0.25(0.xx ± 0.01)
3
BOTHHAND USA [email protected]
No Pin
-Vo
11
5
No Pin
10
6
+Vo
9
common
8
7
Units : mm (inch)
12
NC
BMA1 / BMB1 Series
1 Watt Isolated DC-DC Converter
9. Package
SIL Package Style
DIL Package Style
4
BOTHHAND USA [email protected]
Dual Output
Similar pages