ISOLATED UNREGULATED DUAL OUTPUT DC/DC CONVERTER
AxxxxS-1W SERIES
DESCRIPTION
The AxxxxS-1W series of industrial temperature range DC/DC converters are the standard building blocks for
on-board distributed power systems. They are ideally suited for providing dual rail supplies on primarily digital
boards with the added benefit of galvanic isolation to reduce switching noise. All of the rated power may be
drawn from a single pin provided the total load does not exceed 1 watt.
FEATURES
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RoHS compliant
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Power sharing on output
1kVDC isolation
Efficiency up to 80%
Power density up to 0.85W/cm3
Wide temperature performance at full 1 Watt load, –40°C to 85°C
Dual output from a single input rail
UL 94V-0 package material
No heatsink required
5V , 12V, 24V, & 48V input
5V, 9V, 12V and 15V output
Internal SMD construction
Fully encapsulated with toroidal magnetics
No external components required
MTTF up to 1.6 million hours
Footprint from 1.17cm2
Industry standard pinout
No electrolytic or tantalum capacitors
SELECTION GUIDE
Input
Output
Output
Input Current
(Rated Load)
Isolation
Efficiency
MTTF1
Package
Style
Voltage
Voltage
Current
Capacitance
Order Code
(V)
5
(V)
±5
(mA)
±100
±55
±42
±33
±100
±55
±42
±33
±100
±55
±42
±33
±100
±55
±42
±33
(mA)
289
267
260
256
120
113
111
110
60
%
pF
28
32
34
36
33
46
55
54
39
85
65
95
26
38
52
56
kHrs
1697
682
343
188
559
375
243
154
194
129
134
101
206
174
139
104
A0505S-1W
A0509S-1W
A0512S-1W
A0515S-1W
A1205S-1W
A1209S-1W
A1212S-1W
A1215S-1W
A2405S-1W
A2409S-1W
A2412S-1W
A2415S-1W
A4805S-1W
A4809S-1W
A4812S-1W
A4815S-1W
69
75
77
78
69
74
75
76
70
77
80
80
70
80
80
80
5
±9
5
±12
±15
±5
5
12
12
12
12
24
24
24
24
48
48
48
48
±9
±12
±15
±5
SIP
±9
54
±12
±15
±5
52
52
30
±9
26
±12
±15
26
26
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