A-XT Series
1W, FIXED INPUT, ISOLATED DUALOUTPUT SMD DC-DC CONVERTER
SELECTION GUIDE
1. Calculated using MIL-HDBK-217F with nominal input voltage at full load.
All specifications typical at TA=25℃, nominal input voltage and rated output current unless otherwise specified.
Efficiency
Input
Output
Isolation
Capacitance
pF
MTTF1
Voltage(VDC)
Nominal
Order code
Current (mA)
Voltage
(VDC)
Current
(%.Typ.)
(mA)
Rated Load
KHrs
A0303XT
A0305XT
A0309XT
A0312XT
A0315XT
A0503XT
A0505XT
A0505NXT
A0509XT
A0512XT
A0515XT
A1205XT
A1209XT
A1212XT
A1215XT
3.3
3.3
3.3
3.3
3.3
5
402
388
405
390
392
259
290
251
267
260
256
121
113
111
110
±3.3
±5
±152
±100
±55
81
83
74
76
81
85
83
86
85
74
78
80
80
85
81
29
30
34
40
42
31
33
42
38
44
43
50
72
89
100
1005
399
827
375
206
964
1697
367
682
343
188
559
375
243
154
FEATURES
±9
◆Footprint over pins 1.64cm2
±12
±15
±3.3
±5
±42
◆Short Circuit Protection(automatic recovery)
◆I/O isolation voltage 1000VDC
◆Operating Temperature: -40℃～﹢85℃
◆High efficiency up to 78%
±33
±152
±100
±100
±55
5
5
±5
5
±9
◆Toroidal magnetics
5
±12
±15
±5
±42
◆Small SMD package with footprint
◆Power density 1.36W/cm3
5
±33
12
12
12
12
±100
±55
±9
◆Lead frame technology
±12
±15
±42
◆Multi-layer ceramic capacitors
◆Custom solutions available
±33
Input Characteristics
MODEL SELECTION
Parameter
Conditions
Min.
Typ.
Max.
Units
①
②
③
④
⑤
A 05 05 X T
Continuous operation, 3V input
Continuous operation, 5V input
Continuous operation, 12V input
2.97
4.5
3.3
5
3.63
5.5
VDC
VDC
Voltage range
Start up time
①Product Series
③Output Voltage
⑤SMD Package
②Input Voltage
④Fixed Input
10.8
12
41
13.2
50
VDC
mA p-p
Isolation Characteristics
APPLICATIONS
Parameter
Conditions
Min.
Typ.
Max.
Units
The A-XT series are miniature,1W DC/DC
Isolation voltage
Resistance
Flash tested for 1 second
Viso= 1000VDC
1000
10
VDC
GΩ
converters with high isolation in a
SMD package. With a new package design
these converters are qualified for the higher
temperatures requested by lead-free reflow
solder processes. With the small footprint,
these converters are the ideal solution for
board level power distribution,mainly for
applications in the industrial and telecom field.
For automated SMD production lines the
devices can be supplied in standard tape and
reel package.
General Characteristics
Parameter
Conditions
Min.
Typ.
Max.
Units
0312, 0315
100
110
115
kHz
kHz
kHz
Switching frequency
0303, 0305, 0503, 0505
All other variants
Absolute Maximum Ratings
Parameter
Conditions
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
300℃
700mW
5.5V
MICRODC RESERVES THE COPYRIGHT
Input voltage V , A03 types
Input voltage Vin, A05 types
7V
Input voltage Vin, A12 types
15V
http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646
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