Document
A_S-1W & B_LS-1W Series
1W, FIXED INPUT, ISOLATED & UNREGULATED DUAL/SINGLE OUTPUT DC-DC CONVERTER
FEATURES ● Efficiency up to 84% ● Small Size ● Low Temperature Rise ● 1KVDC Isolation ● Operating Temperature Range:
-40°C ~ +85°C ● No External Component Required ● Industry Standard Pinout
RoHS
PART NUMBER SYSTEM A0505S-1W
SELECTION GUIDE
Input
Model Number
Voltage(VDC)
Nominal (Range)
B0303LS-1W B0305LS-1W
3.3 (3.0-3.6)
A0505S-1W
A0509S-1W
A0512S-1W
A0515S-1W
A0524S-1W
B0503LS-1W B0505LS-1W B0506LS-1W
5 (4.5-5.5)
B0507LS-1W
B0509LS-1W
B0512LS-1W
B0515LS-1W
B0524LS-1W
A1205S-1W
A1209S-1W
A1212S-1W
A1215S-1W B1203LS-1W B1205LS-1W
12 (10.8-13.2)
B1209LS-1W
B1212LS-1W
B1215LS-1W
Output Voltage (VDC)
3.3 5 ±5 ±9 ±12 ±15 ±24 3.3 5 6 7.2 9 12 15 24 ±5 ±9 ±12 ±15 3.3 5 9 12 15
Output Current (mA)
Max.
Min.
303 31
200 20
±100
±10
±56 ±6
±42 ±5
±33 ±4
±21 ±3
303 31
200 20
167 16
139 14
111 12
83 9
67 7
42 5
±100
±10
±56 ±6
±42 ±5
±33 ±4
303 31
200 20
111 12
83 9
67 7
APPLICATIONS
The A_S-1W & B_LS-1W Series are designed for application where isolated output is required from a distributed power system.
These products apply to where:
1) Input voltage variation ≤ ±10%;
2) 1KVDC input and output isolation;
3) Regulated and low ripple noise is not required. Such as: digital circuits, low frequency analog circuits, and
IGBT power device driving circuits.
Input Current (mA)(typ.)
@Max. @No Load Load 417
42 392 273 268 253 33 229 241 271 273 267 264
35 252 250 248 237 114 109
17 105 105 112 116 107 14 101 101
Reflected Ripple Current
(mA,typ.) 14
20
21
15
22
Max. Capacitive Load# (µF)
Efficiency (%, typ.) @Max. Load
72 220
74
72
77
100 79
80
82
72
70
70
72 220
78
78
80
81
72
78 100
79
78
74
71
220 76
78
79
Approval
UL UL UL UL
UL CE
UL CE UL CE UL CE
UL UL UL UL
UL CE UL CE UL CE UL CE
The copyright and authority for the interpretation of the products are reserved by MORNSUN
A_S-1W&B_LS-1W B/2-2014 Page 1 of 5
Model Number B1224LS-1W
Input Voltage(VDC)
Nominal (Range)
12(10.8-13.2)
Output Voltage (VDC)
24
Output Current (mA)
Max.
Min.
42 5
A1505S-1W
±5
±100
±10
A1512S-1W
±12 ±42
±5
A1515S-1W
15 ±15 ±33
B1505LS-1W
(13.5-16.5)
5
200
±4 20
B1512LS-1W
12 83
9
B1515LS-1W
15 67
7
A2405S-1W
±5
±100
±10
A2409S-1W
±9 ±56 ±6
A2412S-1W
±12 ±42
±5
A2415S-1W
±15 ±33
±4
A2424S-1W
24 ±24 ±21
B2405LS-1W
(21.6-26.4)
5
200
±3 20
B2409LS-1W
9 111 12
B2412LS-1W
12 83
9
B2415LS-1W
15 67
7
B2424LS-1W
24 42
4
Note: 1. # For each output. 2.The A_S-W25/B_LS-W25 series also are available in our company.
Input Current (mA)(typ.)
@Max. @No Load Load 97 14 95 84 15 88
94 85 14 84 56 53 52 8 51 51 56 52 51 7 50 50
Reflected Ripple Current
(mA,typ.) 22 22
24
43
53
Max. Capacitive Load# (µF)
Efficiency (%, typ.) @Max. Load
220 84
72
100 76
79
72
220 76
75
73
79
100 80
80
81
73
78
220 78
79
78
Approval
UL UL UL UL UL CE UL CE UL CE UL CE
INPUT SPECIFICATIONS
Item Test Conditions
3.3VDC input
Input Surge Voltage (1 sec. max.)
5VDC input 12VDC input 15VDC input
24VDC input
Input Filter
Min. Typ. Max. Unit
-0.7 --
5
-0.7 --
9
-0.7 --
18 VDC
-0.7 --
21
-0.7 --
30
Capacitance Filter
OUTPUT SPECIFICATIONS
Item Test Conditions
Min. Typ. Max.
Output Power
0.1 --
1
Output Voltage Accuracy
See tolerance envelope curve
Output Voltage Balance
Dual Output, Balanced Loads
-- ±0.5 ±1
Line Regulation
For Vin change of ±1%
-- -- ±1.2
3.3VDC output
-- 12 20
5V/6V/7.2VDC output -- 10.5 15
Load Regulation
10% to 100% load
9VDC output 12VDC output
-- 8.3 15 -- 6.8 15
15VDC output
-- 6.3 15
24VDC output
-- 5 15
Temperature Drift
100% full load
-- -- ±0.03
AXXXXS-1W
-- 50 75
Ripple & Noise*
20MHz Bandwidth
AXX24S-1W BXXXXLS-1W
-- 100 150 -- 75 100
BXX24LS-1W
-- 100 150
Short Circuit Protection**
-- --
1
Note: 1.Dual output models unbalanced load: ±5%.
2.*Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section, application notes. 3.**Supply voltage must be discontinued at the end of short circuit duration.
Unit W
%
%/°C mVp-p
s
The copyright and authority for the interpretation of the products are reserved by MORNSUN
A_S-1W&B_LS-1W B/2-2014 Page 2 of 5
COMMON SPECIFICATIONS
Item Test Conditions
Isolation Voltage
Tested for 1 minute and leakage current less than 1 mA
Isolation Resistance
Test at 500VDC
Isolation Capacitance
Input/Output, 100KHz/1V
A2424S-1W, B2424LS-1W Others
Switching Frequency
Full load, nominal input
MTBF
MIL-HDBK-217F@25℃
Case Material
Weight
Min. 1000 1000
---3500
--
Typ. Max. -- --- --
100 -30 -100 --- -Plastic(UL94-V0) 2.1 --
Unit VDC MΩ
pF
KHz K hours
g
ENVIRONMENTAL SPECIFICATIONS
Item Test Conditions
Storage Humidity
Non condensing
Operating Temperature
Power derating (above 85℃)
Storage Temperature
Temp. rise at full load
Lead Temperatu.