A-NXT-1W Series
1W, FIXED INPUT, ISOLATED DUAL OUTPUT SMD DC-DC CONVERTER
SELECTION GUIDE
Efficiency
(%.Typ.)
Input
Output
Isolation
Capacitance
pF
MTTF1
KHrs
Voltage(VDC)
Nominal
Order code
Current (mA)
Voltage
(VDC)
Current
(mA)
Rated Load
A0303NXT-1W
A0305NXT-1W
A0309NXT-1W
A0312NXT-1W
A0315NXT-1W
A0503NXT-1W
A0505XT-1W
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
◆Footprint over pins 1.64cm2
±9
◆Short Circuit Protection(automatic recovery)
◆I/O isolation voltage 1000VDC
◆Operating Temperature: -40℃～﹢85℃
◆High efficiency up to 78%
±12
±15
±3.3
±5
±42
±33
±152
±100
±100
±55
5
A0505NXT-1W
A0509NXT-1W
A0512NXT-1W
A0515NXT-1W
A1205NXT-1W
A1209NXT-1W
A1212NXT-1W
A1215NXT-1W
5
±5
◆Toroidal magnetics
5
±9
5
±12
±15
±5
±42
◆Small SMD package with footprint
◆Power density 1.36W/cm3
5
±33
12
12
12
12
±100
±55
◆Lead frame technology
±9
◆Multi-layer ceramic capacitors
◆Custom solutions available
±12
±42
±15
±33
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.
MODEL SELECTION
⑦
A 05 05 N X T -1W
①
②
③
④
⑤
⑥
Input Characteristics
Parameter
Voltage range
Start up time
Conditions
Min.
Typ.
Max.
Units
①Product Series
③Output Voltage
⑤Fixed Input
②Input Voltage
④No Pin
⑥SMD Package
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
⑦Rated Power
10.8
12
41
13.2
50
VDC
mA p-p
APPLICATIONS
The A-NXT-1W series are miniature,1W
DC/DC 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.
Isolation Characteristics
Parameter
Conditions
Min.
Typ.
Max.
Max.
Units
Isolation voltage
Resistance
Flash tested for 1 second
Viso= 1000VDC
1000
10
VDC
GΩ
General Characteristics
Parameter
Conditions
Min.
Typ.
Units
0312, 0315
100
110
115
kHz
kHz
kHz
Switching frequency
0303, 0305, 0503, 0505
All other variants
Absolute Maximum Ratings
Parameter
Conditions
MICRODC RESERVES THE COPYRIGHT
Lead temperature 1.5mm from case for 10 seconds
Internal power dissipation
300℃
700mW
5.5V
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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