B7 LF Series

B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
1 . Features
l
l
l
l
l
l
l
l
Wide 2 : 1 Input Range
Low Ripple And Noise
Input / Output Isolation 1.5K Vdc Or 3K Vdc
100% Burn-In
Input Filter With Internal Capacitor
Custom Design Available
Net Weight : 24 g / 36.5 g Typical
RoHS Converter Certified By SGS
2 . Model Selection Guide
(Specifications typical at Ta= +25℃, Nominal input voltage, Rated output current unless otherwise noted)
Model No.
Input
Output
Output Input Current Input Current Output
Load
Efficiency
Voltage Voltage Current
@No Load @Max. Load
Ripple
Regulation
(%)Typ.
(Vdc)
(Vdc) (mA) Max
(mA) Typ.
(mA) Typ. (mV) Max. (%)Max.
1) 10 W Single Output Series
B7-123R3S10 LF
9~18
B7-1205S10 LF
B7-2405S10 LF
B7-2412S10 LF
B7-4805S10 LF
3.3
3000
20
1044
50
± 0.5
79
5.0
2000
25
1042
50
± 0.5
80
5
2000
13
514
50
± 0.5
81
12
833
15
669
100
± 0.5
83
5
2000
7
260
50
± 0.5
80
5
3000
22
1582
50
± 0.5
79
12
1250
30
1543
100
± 0.5
81
5
3000
17
781
50
± 0.5
80
12
1250
20
762
100
± 0.5
82
5
3000
12
396
50
± 0.5
79
12
1250
15
381
100
± 0.5
82
±5
± 1000
27
1068
50
±2
78
±5
± 1000
18
527
50
±2
79
± 15
± 333
20
661
120
±2
82
±5
± 1000
12
260
50
±2
80
± 15
± 333
15
254
120
±2
80
±5
± 1500
27
1603
50
±2
78
± 12
± 625
32
1563
100
±2
80
18~36
36~72
2) 15 W Single Output Series
B7-1205S15 LF
B7-1212S15 LF
B7-2405S15 LF
B7-2412S15 LF
B7-4805S15 LF
B7-4812S15 LF
9~18
18~36
36~72
3) 10 W Dual Output Series
B7-1205D10 LF
B7-2405D10 LF
B7-2415D10 LF
B7-4805D10 LF
B7-4815D10 LF
9~18
18~36
36~72
4) 15 W Dual Output Series
B7-1205D15 LF
B7-1212D15 LF
9~18
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B7 LF Series
B7-2405D15 LF
18~36
B7-2412D15 LF
B7-4805D15 LF
B7-4815D15 LF
36~72
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
±5
± 1500
20
791
50
±2
79
± 12
± 625
22
772
100
±2
81
±5
± 1500
12
396
50
±2
79
± 15
± 500
15
381
120
±2
82
Notes :
1. B7-xxxxSxx or B7-xxxxDxx is for customer design.
2. Load regulation is for output current change from 0% to 100% Max. load.
3 . 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
Operation Temperature (Ambient
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
℃
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.
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
---
---
±2
Output Voltage Accuracy
Nominal Input
---
± 1.0
± 2.0
Output Voltage Balance
Dual Output At Same Load
---
---
± 1.0
---
250
---
KHz
---
± 0.01
± 0.02
%/ ℃
Standard Series
1500
---
---
High Isolation Series
3000
---
---
500 Vdc
1000
---
---
MΩ
1KHz / 250mV rms
---
350
---
pF
Input Voltage Range
Line Regulation
Load Regulation
Switching Frequency
Nominal Input
Temperature Coefficient
Isolation Voltage
Isolation Resistance
Isolation Capacitance
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Unit
Vdc
%
Vdc
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B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
5 . General Specification
Parameter
Specification
Isolation Voltage
Condition
1500 / 3000 Vdc
Test Duration 60 Seconds / 0.5 mA
Isolation Resistance
1000 MΩ Min.
@ 500 Vdc
Operating Temperature (1)
-25℃ ~ + 71℃
@ Ambient Temperature With Natural Convention
Operating Temperature (2)
-25℃ ~ +95℃
@ Case Surface Temperature
Storage Temperature
-55℃ ~ +105℃
---
Up To 90 %
---
Free Air Convection
---
Plastic、Metal
---
Humidity
Cooling
Case Type
6 . Ordering Information
7 . Power Derating Curve
Temperature derating graph
B7-xxyySxxHM LF
Device Family
Input Voltage
Output Voltage
"S" For Single Output, "D" For Dual Output
Output Power
Suffix "H" For Isolation Voltage 3KVdc
Nothing For Isolation Voltage 1.5KVdc
"M" For Metal Case; "P" For Plastic Case
RoHS Converter Certified By SGS
(
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)
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B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
8 . Efficiency & Output Load Chart
90
80
70
60
50
40
30
20
10
0
Vout = 12 Vdc
Efficiency %
90
80
70
60
50
40
30
1250.0
1125.0
1000.0
875.0
750.0
625.0
500.0
375.0
250.0
0.0
125.0
10
0
3000.0
2700.0
2400.0
2100.0
1800.0
1500.0
1200.0
900.0
600.0
300.0
20
0.0
Output Load (mA)
Output Load (mA)
Vout = 15 Vdc
90
80
70
Efficiency %
60
50
40
30
500.0
450.0
400.0
350.0
300.0
250.0
200.0
150.0
50.0
0
100.0
20
10
0.0
Efficiency %
Vout = 5 Vdc
Output Load (mA)
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B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
9 . Mechanical Dimension
Single Output Metal Case Model
25.40
(1.00)
-OUT
10.16
(0.40)
2.54
(0.10)
+OUT
10.16
(0.40)
ψ
f 1.00
15.24
(0.60)
(0.04)
+OUT
B7-1205S10M LF
Printed Face
-OUT
34.66
(1.36)
20.32
(0.80)
IN=9~18Vdc
Date Code
50.80 46.42
(2.00) (1.83)
11.30
(0.44)
2.54
(0.10)
8.50
(0.33)
21.16
(0.83)
5.00
(0.20)
OUT=5Vdc/2A
+IN
Pb
IN
-
+
-IN
15.24
(0.60)
Top View
10.16 5.08 10.16
(0.40) (0.20) (0.40)
5.08
(0.20)
Bottom View
Units : mm (inch)
Tolerance : 0.xx ± 0.25 (0.xx ± 0.01)
Dual Output Metal Case Model
25.40
(1.00)
21.16
(0.83)
-OUT COM +OUT
2.54 10.16
2.54
2.54
10.16 10.16
10.16 2.54
(0.10)
(0.10)(0.40)
(0.10)
(0.10)
(0.40) (0.40)
(0.40)
(0.44)
(0.44)
ψ1.00
1.00
15.24
15.24
(0.60)
(0.60)
(0.04)
(0.04)
Bottom
BottomView
View
IN
+
Top View
15.24
15.24
(0.60)
(0.60)
+IN
+IN -IN
-IN
10.16
10.165.08
5.0810.16
10.16
(0.40)
(0.40)(0.2)
(0.2)(0.40)
(0.40)
Date Code
-
34.66
34.66
34.66
(1.36)
(1.36)
(1.36)
20.32
20.32
(0.8)
(0.8)
OUT=±5Vdc/±1A
Pb
Printed
Printed
FaceFace
-OUT
-OUT
Date Code
B7-1205D10M LF
IN=9~18Vdc
COM
COM
8.50
(0.33)
8.50
(0.33)
+OUT
+OUT
50.80 46.42
(2.00) (1.83)
11.30
11.30
5.005.00
(0.20)
(0.20)
5.08
5.08
(0.20)
(0.20)
Units : mm (inch)
Tolerance : 0.xx ± 0.25 (0.xx ± 0.01)
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B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
Single Output Plastic Case Model
25.00
(0.98)
21.16
(0.83)
- OUT
+ OUT
10.16 10.16
(0.40) (0.40)
ψf 1.00
15.14
(0.6)
(0.04)
20.32
(0.8)
IN = 9~18 Vdc
OUT = 5 Vdc/±1 A
+ IN
Pb
-
IN
+
Date Code
B7-1205S10P LF
Printed Face
- OUT
8.50
(0.33)
+ OUT
50.60 46.42
(1.99) (1.83)
9.55
(0.37)
- IN
5.00
(0.20)
15.14
(0.6)
Top View
5.08
(0.20)
9.96 5.08 9.96
(3.92) (0.2) (3.92)
Bottom View
Units : mm (inch)
Tolerance : 0.xx ± 0.25 (0.xx ± 0.01)
Dual Output Plastic Case Model
25.00
(0.98)
21.16
(0.83)
- OUT COM + OUT
10.16 10.16
(0.40) (0.40)
ψ
f 1.00
15.14
(0.6)
(0.04)
+ OUT
Printed Face
- OUT
20.32
(0.8)
8.50
(0.33)
B7-1205D10P LF
COM
IN = 9~18 Vdc
OUT = ±5 Vdc/ ±1 A
+ IN
Pb
-
IN
+
Top View
- IN
Date Code
50.60 46.42
(1.99) (1.83)
9.55
(0.37)
5.00
(0.20)
15.14
(0.6)
5.08
(0.20)
9.96 5.08 9.96
(3.92) (0.2) (3.92)
Bottom View
Units : mm (inch)
Tolerance : 0.xx ± 0.25 (0.xx ± 0.01)
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B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
10 . Recommended Footprint Details
Single Output Metal Case
Dual Output Metal Case
10.16
(0.40)
20.32
(0.80)
+OUT
-OUT
20.32
(0.80)
COM
+OUT
-OUT
20.32
(0.80)
O1.25~1.5
ψ1.25~1.5
+IN
10.16
(0.40)
O1.25~1.5
ψ1.25~1.5
-IN
+IN
-IN
5.08
(0.20)
5.08
(0.20)
Units : mm (inch)
Tolerance : 0.xx ± 0.25 (0.xx ± 0.01)
Single Output Plastic Case
Dual Output Plastic Case
10.16
(0.40)
20.32
(0.80)
+OUT
20.32
(0.80)
-OUT
20.32
(0.80)
Oψ
1.25~1.5
1.25~1.5
+IN
COM
+OUT
-OUT
10.16
(0.40)
Oψ
1.25~1.5
1.25~1.5
+IN
-IN
-IN
5.08
(0.20)
5.08
(0.20)
Units : mm (inch)
Tolerance : 0.xx ± 0.25 (0.xx ± 0.01)
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B7 LF Series
10 To 15 Watt Isolated DC-DC Converter
Single / Dual Output
11 . Package
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