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Polytron SMUS1 Series DC-DC Converters,1 Watt
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Price (Each): Call or e-mail for quotes or to order.
Available to Order
Item Number: SMUS1
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SMUS1
SMUS1 Series 1-watt DC-DC converters feature high efficiency, 1.5 to 3 KV DC isolation, no-load input current as low as 5 mA and meet EC/UL/CUL/EN 62368-1 safety standards. The unregulated output-type units are made to alleviate design complexity, and they come in a 14-pin surface mount package with industry standard pinout. SMUS1 DC-DC converters also include continuous short-circuit protection. The operating temperature range is -40 to +105°C. The SMUS1 Series complies with the RoHS regulation and comes with a three-year warranty.
SMUS1 Series Specification Sheet PDF
| Daburn Model Number | Input Voltage (Vdc) | Output Voltage (Vdc) | Output Current (mA) | Efficiency (%) | Package Style | Maximum Capacitor Load (µF) |
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| SMUS1-33S33 |
3.3 |
3.3 |
303 |
76 |
1/2/3/4 |
2400 |
| SMUS1-33S5 |
3.3 |
5 |
200 |
82 |
1/2/3/4 |
2400 |
| SMUS1-33S9 |
3.3 |
9 |
112 |
83 |
1/2/3/4 |
1000 |
| SMUS1-33S12 |
3.3 |
12 |
84 |
84 |
1/2/3/4 |
470 |
| SMUS1-33S15 |
3.3 |
15 |
67 |
84 |
1/2/3/4 |
330 |
| SMUS1-33S24 |
3.3 |
24 |
42 |
85 |
3/4 |
100 |
| SMUS1-5S33 |
5 |
3.3 |
303 |
76 |
1/2/3/4 |
2400 |
| SMUS1-5S5 |
5 |
5 |
200 |
82 |
1/2/3/4 |
2400 |
| SMUS1-5S9 |
5 |
9 |
112 |
83 |
1/2/3/4 |
1000 |
| SMUS1-5S12 |
5 |
12 |
84 |
84 |
1/2/3/4 |
470 |
| SMUS1-5S15 |
5 |
15 |
67 |
84 |
1/2/3/4 |
330 |
| SMUS1-5S24 |
5 |
24 |
42 |
85 |
3/4 |
100 |
| SMUS1-9S33 |
9 |
3.3 |
303 |
76 |
1/2/3/4 |
2400 |
| SMUS1-9S5 |
9 |
5 |
200 |
82 |
1/2/3/4 |
2400 |
| SMUS1-9S9 |
9 |
9 |
112 |
83 |
1/2/3/4 |
1000 |
| SMUS1-9S12 |
9 |
12 |
84 |
84 |
1/2/3/4 |
470 |
| SMUS1-9S15 |
9 |
15 |
67 |
84 |
1/2/3/4 |
330 |
| SMUS1-9S24 |
9 |
24 |
42 |
85 |
3/4 |
100 |
| SMUS1-12S33 |
12 |
3.3 |
303 |
78 |
1/2/3/4 |
2400 |
| SMUS1-12S5 |
12 |
5 |
200 |
82 |
1/2/3/4 |
2400 |
| SMUS1-12S9 |
12 |
9 |
112 |
85 |
1/2/3/4 |
1000 |
| SMUS1-12S12 |
12 |
12 |
84 |
85 |
1/2/3/4 |
680 |
| SMUS1-12S15 |
12 |
15 |
67 |
87 |
1/2/3/4 |
330 |
| SMUS1-12S24 |
12 |
24 |
42 |
85 |
3/4 |
220 |
| SMUS1-15S33 |
15 |
3.3 |
303 |
78 |
1/2/3/4 |
2400 |
| SMUS1-15S5 |
15 |
5 |
200 |
82 |
1/2/3/4 |
2400 |
| SMUS1-15S9 |
15 |
9 |
112 |
85 |
1/2/3/4 |
1000 |
| SMUS1-15S12 |
15 |
12 |
84 |
85 |
1/2/3/4 |
680 |
| SMUS1-15S15 |
15 |
15 |
67 |
87 |
1/2/3/4 |
330 |
| SMUS1-15S24 |
15 |
24 |
42 |
85 |
3/4 |
220 |
| SMUS1-24S33 |
24 |
3.3 |
303 |
78 |
1/2/3/4 |
2400 |
| SMUS1-24S5 |
24 |
5 |
200 |
82 |
1/2/3/4 |
2400 |
| SMUS1-24S9 |
24 |
9 |
112 |
85 |
1/2/3/4 |
1000 |
| SMUS1-24S12 |
24 |
12 |
84 |
85 |
1/2/3/4 |
680 |
| SMUS1-24S15 |
24 |
15 |
67 |
87 |
1/2/3/4 |
330 |
| SMUS1-24S24 |
24 |
24 |
42 |
85 |
3/4 |
220 |
Input and Output Specifications:
| Input Specifications | | |
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| Voltage range, % |
±10 Typ. |
Vo,Io Nom @Vin:3.3V,5V,9V |
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±20 Typ. |
Vo,Io Nom@ Vin:12V,15V,24V |
| Filter |
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Capacitor |
| SurgeRange (1 sec. max.), VDC |
-0.7 Min, 5 Max |
3.3VDC input |
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-0.7 Min, 9 Max |
5VDC input |
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-0.7 Min, 15 Max |
9VDC input |
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-0.7 Min, 18 Max |
12VDC input |
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-0.7 Min, 21 Max |
15VDC input |
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-0.7 Min, 30 Max |
24VDC input |
| Reflected Ripple Current, mA |
15 Typ |
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| Output Specifications | | |
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| Voltage Tolerance, % |
±5 Max |
100% full load |
| Short Circut Protection |
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Continuous,self-recovery |
| Line regulation, % |
1.2 Typ. |
For 1.0% of Vin |
| Load Regulation, % |
15 Typ., 20 Max |
3.3V (10% To 100% F.L) |
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10 Typ., 15 Max |
5V (10% To 100% F.L) |
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8 Typ., 10 Max |
9V (10% To 100% F.L) |
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7 Typ., 10 Max |
12V (10% To 100% F.L) |
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6 Typ., 10 Max |
15V (10% To 100% F.L) |
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5 Typ., 10 Max |
24V (10% To 100% F.L) |
| Ripple & Noise, mVp-p |
30 Typ., 75 Max |
BW=DC To 20MHz @ Vo:3.3V,5V,9V,12V,15V |
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50 Typ., 100 Max |
BW=DC To 20MHz @ Vo:24V |
| General Specifications | | | | |
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| Isolation resistance, MΩ |
500Vdc |
1000 Min. |
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| Isolation capacitance, pF |
Input-output, 100KHz/0.1V |
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20 Typ. |
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| Switching frequency, kHz |
Full load, nominal input @3.3V, 5V Vin |
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215/370 Typ. |
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Full load, nominal input @other Vin |
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250 Typ. |
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| Environmental Specifications | | | | |
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| Operation Tempature, ºC |
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-40 Min |
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105 Max |
| Storage temperature, ºC |
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-55 Min |
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125 Max |
| Humidity, % |
Non Condensing |
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95 Max |
| Cooling |
Free Air Convection |
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| Physical Specifications | | |
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| Design meet safety standard |
UL/cUL/IEC/EN 62368-1 approved |
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| Dimensions, mm |
Package 1/2 |
12.7x7.6x6.25, Typ. |
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Package 3 |
12.8x10.8x6.9, Typ. |
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Package 4 |
13.2x8.5x7.0, Typ. |
| Case material |
DAP |
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| Weight, g |
Package 1/2/3/4 |
1.2/1.2/1.28/1.36 Typ. |
| MTBF, Hours |
MIL-HDBK-217F@25ºC |
3,500,000 Min. |
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| EMC Specifications | | |
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| Specifications |
Conditions |
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| EMI |
CE |
CISPR32/EN55032 CLASS B (see Fig. 1 for recom- mended circuit) |
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RE |
CISPR32/EN55032 CLASS B (see Fig. 1 for recom- mended circuit) |
| EMS |
ESD |
IEC/EN61000-4-2 Air ±8kV , Contact ±6kV perf. Criteria B |
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