applications where a group of polar power supplies are
isolated from the input power supply in a distributed power
supply system on a circuit board. These products apply to:
1) Where the voltage of the input power supply is fixed
(voltage variation
≤ ±10%);
2) Where isolation is necessary between input and output
(isolation voltage
≤1000VDC);
3) Where the regulation of the output voltage and the output
ripple noise are not demanding.
Such as: purely digital circuits, ordinary low frequency analog
circuits, and IGBT power device driving circuits.
PRODUCT PROGRAM
Model
Number
B0303(X)T-1W
B0305(X)T-1W
B0309(X)T-1W
B0312(X)T-1W
B0315(X)T-1W
B0324(X)T-1W
B0503(X)T-1W
B0505(X)T-1W
B0506(X)T-1W
B0507(X)T-1W
B0509(X)T-1W
B0512(X)T-1W
B0515(X)T-1W
B0524(X)T-1W
B1203(X)T-1W
B1205(X)T-1W
B1209(X)T-1W
B1212(X)T-1W
B1215(X)T-1W
B1224(X)T-1W
B1505(X)T-1W
B1515(X)T-1W
B2403(X)T-1W
B2405(X)T-1W
B2409(X)T-1W
B2412(X)T-1W
B2415(X)T-1W
B2424(X)T-1W
24
(21.6-26.4)
15
(13.5-16.5)
12
(10.8-13.2)
5
(4.5-5.5)
3.3
(3.0-3.6)
Input Voltage(VDC)
Nominal
(Range)
Output
Voltage
(VDC)
3.3
5
9
12
15
24
3.3
5
6
7.2
9
12
15
24
3.3
5
9
12
15
24
5
15
3.3
5
9
12
15
24
Output Current
(mA)
Max.
303
200
111
84
67
42
303
200
167
139
111
84
67
42
303
200
111
84
67
42
200
67
300
200
110
83
67
42
Min.
30
20
12
9
7
4
30
20
17
14
12
9
7
4
30
20
12
9
7
4
20
7
30
20
11
8
7
4
Input Current
(mA)(typ.)
@Max.
@No
Load
Load
418
390
408
367
390
364
265
256
269
252
252
245
256
234
110
115
110
109
110
95
101
80
57
58
53
52
51
50
9
11
33
12
10
33
22
12
33
36
16
33
45
25
33
Reflected
Ripple
Current
(mA,typ.)
Max.
Capacitive
Load(µF)
Efficiency
(%, typ.)
@Max.
Load
73
74
70
78
76
78
72
77
69
75
76
79
78
79
71
69
73
73
74
79
62
76
69
70
72
75
76
77
UL CE
UL CE
UL CE
UL CE
UL CE
UL CE
UL CE
UL CE
Approval
UL
UL
Note: 1. The B_XT-1W series have no 3,6,7 pin, For example B0505XT-1W.
2. B_XT-1W series: UL-60950-1 pending.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
B_(X)T-1W
B/2-2011
Page 1 of 5
INTPUT SPECIFICATIONS
Item
Test Conditions
3.3VDC Input Models
5VDC Input Models
Input Surge Voltage
(1 sec. max.)
12VDC Input Models
15VDC Input Models
24VDC Input Models
Reverse Polarity Input Current*
Internal Power Dissipation*
Input Filter
Min.
-0.7
-0.7
-0.7
-0.7
-0.7
--
--
Typ.
--
--
--
--
--
--
--
C
Filter
Max.
5
9
18
21
30
0.4
0.4
A
W
VDC
Units
Note: *If the product reverse did not seek to limit current or work does not limit the maximum power, may result in injury or permanent damage, testing is not recommended.
OUTPUT SPECIFICATIONS
Item
Output Power
Output Voltage Accuracy
Line Regulation
For Vin change of
±1%
3.3V output
Others
3.3V output
5,6,7V output
Load Regulation
10% to 100% load
9V output
12V output
15V output
24V output
Temperature Drift
Ripple & Noise*
Short Circuit Protection**
100% full load
20MHz Bandwidth
--
--
--
--
--
--
--
--
--
--
--
Test Conditions
Min.
0.1
Typ.
--
Max.
1
±1.5
±1.2
20
15
10
10
10
10
±0.03
75
1
%/°C
mVp-p
s
%
Units
W
See tolerance envelope graph
--
--
15
12.8
8.3
6.8
6.3
5
--
50
--
*
Test ripple and noise by
“parallel
cable” method. See detailed operation instructions at Testing of Power Converter section, application notes.
**Supply voltage must be discontinued at the end of short circuit duration.
COMMON SPECIFICATIONS
Item
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Test Conditions
Tested for 1 minute and 1mA max
Test at 500VDC
B2424(X)T-1W
Input/Output,100KHz/1V
Others
5V/12V
Switching Frequency
Full load, nominal input
24V
Others
MTBF
Case Material
Weight
--
MIL-HDBK-217F@25℃
--
--
--
--
3500
30
100
500
100
--
--
--
--
500
--
K hours
KHz
Min.
1000
1000
--
Typ.
--
--
50
Max.
--
--
--
pF
Units
VDC
MΩ
Epoxy Resin (UL94-V0)
1.41
--
g
ENVIRONMENTAL SPECIFICATIONS
Item
Storage Humidity
Operating Temperature
Storage Temperature
Temp. rise at full load
Lead Temperature
Cooling
1.5mm from case for 10 seconds
Power derating (above 85℃)
Test Conditions
Min.
--
-40
-55
--
--
Typ.
--
--
--
25
--
Max.
95
85
125
--
300
°C
Units
%
Free air convection
EMC SPECIFICATIONS
EMI
EMS
CE
ESD
CISPR22/EN55022 CLASS A（External Circuit Refer to Figure1）
IEC/EN61000-4-2 Contact
±8KV
perf. Criteria B
B_(X)T-1W
B/2-2011
Page 2 of 5
The copyright and authority for the interpretation of the products are reserved by MORNSUN
EMI RECOMMENDED CIRCUIT
EMI Recommended External Circuit（CLASS A）
：
Recommended external circuit parameters:
Vin：3.3V/5V/12V/15V
C1：2.2µF/50V 1210
。
Vin：24V
C1：4.7µF/50V 1210
Remarks
：
Product bare input of 3.3V
、
5V
、
12V can be tested by the
CLASS A, increase the capacitor margin increase.
(Figure1)
PRODUCT TYPICAL CURVE
Tolerance Envelope Graph
Output Power Percent(%)
Temperature Derating Graph
120
100
80
60
Safe Operating Area
40
20
0
-40
0
40
85 105 120
+10%
+5%
Rated
Output
Voltage
Output Voltage
Accuracy
(%)
Ty pic
al
Lo ad
L ine
+2.5%
-2.5%
-7.5%
50% 70%
(Nominal Input Voltage)
100%
Output Current Percent(%)
Ambient Temp.(
℃
)
Efficiency VS Input Voltage curve
(Full Load)
B0505T-1W
80
78
76
74
72
70
68
66
64
62
60
4.601
4.702
4.8
4.902
5.102
5.202
5.303
5.405
5.504
5
22.08
22.56
23.05
23.52
24.48
24.96
25.43
25.93
Input Voltage(V)
Input Voltage(V)
Efficiency VS Output Load curve
(Vin=Vin-nominal)
B0505T-1W
80
Efficiency VS Output Load curve
B2405T-1W
(Vin=Vin-nominal)
80
Efficiency(%)
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
90 100
Efficiency(%)
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
90 100
Output Current Percent(%)
Recommended reflow Soldering Profile
o
2 60 C
25 0
Tem per a tur e (
o
C)
20 0
15 0
10 0
50
0
Time ( sec.)
90 Sec M ax
o
( >2 20 C)
2 20
o
C
Output Current Percent(%)
10 Sec Max
Remark: The curve applies only to the hot air reflow soldering
The copyright and authority for the interpretation of the products are reserved by MORNSUN
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Analogue and Mixed Signal
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