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DC-DC Converter |
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NI25 Series |
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[ 25 Watts ] |
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| General Description |
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Non-Isolated DC to DC Converter Deliver 8 Amp and 10 Amp Output Current
NI series is the non isolation dc-dc converter delivering 8 and 10 Amp output current; efficiency of this series could up to 92%. |
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| Feature |
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◆ Standard Size in 2.0 x 0.34 x 0.55 inches
◆ Output Current: 8 Amp & 10 Amp
◆ Operating Temperature: -25~50 degrees
◆ Output Power: 12~33 Watts
◆ Minimum Load 0% (of full load)
◆ Efficiency 80~92%
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| Specification |
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All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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Input Specification |
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Characteristics |
Conditions |
min. |
typ. |
max. |
unit |
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Voltage Range |
Io nom |
Vi : 3V |
3.0 |
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3.6 |
VDC |
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Vi : 5V |
4.5 |
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5.5 |
VDC |
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Filter |
Capacitor |
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Output Specification |
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Characteristics |
Conditions |
min. |
typ. |
max. |
unit |
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Output Power |
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15 |
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33 |
W |
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Voltage Accuracy |
Vi nom, Io nom |
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±2 |
% |
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Minimum Load |
Vi nom |
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0 |
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% |
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Line Regulation |
Vi min ...Vi max, Io nom |
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±0.5 |
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% |
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Load Regulation |
Vi nom, 10%Io...Io nom |
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±1 |
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% |
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Ripple |
Vi nom, Io nom, BW = 20MHz |
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50 |
mV |
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Noise |
Vi nom, Io nom, BW = 20MHz |
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100 |
mV |
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Temperature Coefficient |
Vi nom, Io nom |
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±0.02 |
% / ℃ |
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Short Circuit Protection |
Current limit, Shut Down |
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General Specification |
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Characteristics |
Conditions |
min. |
typ. |
max. |
unit |
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Switching Frequency |
Vi nom, Io nom |
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500 |
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KHz |
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Operating Temperature |
with derating |
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-25 |
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+50 |
℃ |
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Storage Temperature |
Non operational |
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-55 |
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+105 |
℃ |
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Humidity |
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95 |
% RH |
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Cooling |
Free air convection |
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Physical Specification |
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Characteristics |
Conditions |
min. |
typ. |
max. |
unit |
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Dimension |
Tolerance ±0.5 |
51.0 x 8.0 x 14.0 |
mm |
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2.0 x 0.34 x 0.55 |
inches |
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Weight |
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11 |
g |
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| Model. |
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| Model No. |
Input Range |
Output Voltage |
Output Current |
Eff |
| ( V.DC ) |
( V.DC ) |
( mA ) |
(%) |
| Single Output Models |
| NI25-3-1.5S |
3.0 ~ 3.6 |
1.5 |
10000 |
80 |
| NI25-3-1.8S |
3.0 ~ 3.6 |
1.8 |
10000 |
84 |
| NI25-3-2.1S |
3.0 ~ 3.6 |
2.1 |
10000 |
86 |
| NI25-3-2.5S |
3.0 ~ 3.6 |
2.5 |
10000 |
88 |
| NI25-5-1.5S |
4.5 ~ 5.5 |
1.5 |
10000 |
86 |
| NI25-5-1.8S |
4.5 ~ 5.5 |
1.8 |
10000 |
86 |
| NI25-5-2.1S |
4.5 ~ 5.5 |
2.1 |
10000 |
88 |
| NI25-12-2.5S |
4.5 ~ 5.5 |
2.5 |
10000 |
90 |
| NI25-5-3.3S |
4.5 ~ 5.5 |
3.3 |
10000 |
92 |
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 [ Download DataSheet ] |
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