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NB Series (NB80T)
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| Features |
| 0.38 Inch Profile |
| Synchronization |
| Remote Turn On (TTL) |
| Output Voltage Trim Pins. |
| Over Temperature Protection. |
| Output Overvoltage/Overcurrent Protection. |
| Output Isolated Allowing Any Combination of Output Voltages. |
| Built-In Test (Output Power Good; Main Output). |
| MIL-STD-883 Screening (Military Version). |
| How To Order | |
| Series: | NB |
| Total Output Power: | 80 |
| Triple Output: | T |
| Product Grade: | M ("I" for Industrial) |
| Output Voltage: | see Selection Chart |
| Options: | see below |
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| Options | |
| A Option: | Pins out side of unit. |
| B Option: | Pins out bottom of unit. |
| C Option: | Pins out top of unit. |
| D Option: | Through hole inserts (STD threaded) 0.115 01A |
| I Option: | M2.5 inserts |
| Model
Numbering Example: To order an 80 watt, triple output, 15 Vdc, 15 Vdc and 5.2 Vdc, industrial grade power supply with pins out the bottom (baseplate), the model number would be: NB80TI/15/15/5.2-B. Triple output, 12 V, 15 V, and 3.3 Vout, military grade, would be NB80TM/12/15/3.3-B. When ordering a dual output unit, the first output voltage in the model number is located on channel 1, and the second output voltage is located on channel 2, and the third output voltage on channel 3 (see case drawing in PDF File). |
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| Accessory Products | |
| SM1275: | Input Transient Suppression Module (for 28 Vdc input only) for conformance to MIL-STD-704A & MIL-STD-1275. |
| NBF150: | EMI Filter to meet MIL-STD-461C. |
| Selection Chart | |||
| MAIN OUTPUT | PER
CHANNEL AUXILIARY OUTPUT RATING |
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|---|---|---|---|
| Voltage | Current | Voltage | Current |
| 2 | 10A | 2 | 3.0A |
| 3.3 | 10A | 3.3 | 3.0A |
| 5 | 10A | 5 | 3.0A |
| 5.2 | 9.6A | 5.2 | 2.9A |
| 12 | 4.2A | 12 | 1.25A |
| 15 | 3.3A | 15 | 1.0A |
| 24 | 2.1A | ||
| 28 | 1.8A | ||
| Input Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Input Voltage | 14 | 28 | 40 | Vdc |
| Brown Out (75%) Full Load | 12 | Vdc | ||
| No Load Power Dissipation | 4 | 8 | Watt | |
| Inrush Charge | 4 | mc | ||
| Logic Disable Current (Sink) | 300 | 450 | µA | |
| Logic Disable Power In | 3 | 6.5 | W | |
| Input Ripple Rejection (120 Hz) | 55 | dB | ||
| Input
Ripple Rejection (800 Hz) |
45 | Vdc | ||
| Efficiency (FL) | 72 | 82 | % | |
| EMI | Units conform to MIL-STD-461C (on the input leads) with companion filter |
| Input Transient | Units conform to MIL-STD-704D (50 Vdc for 0.1 second). Up to 100 Vdc for 100 mS with SM1275 transient suppression module. |
| Output Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Set Point Accuracy | 1* | % Vout | ||
| Load Regulation | 5 | 0.2%1 | mV | |
| Line Regulation | 5 | 0.2%1 | mV | |
| Ripple P-P (10
MHz) (2V to 24V) |
45 | 150 | mV | |
| Ripple P-P (10
MHz) (28V) |
0.2 | 1 | % | |
| Trim Range | 100 | 110 | % Vout | |
| Remote Sense Compensation (Main Only) | 0.5 | Vdc | ||
| Overvoltage Protection | ||||
| (5V-28V) | 125 | % Vout | ||
| (2V-3.3V) | 140 | % Vout | ||
| Transient Response (Vout 1%) Time / Overshoot | ||||
| 20 - 80% Load Main | 350 / 300 | µS/mV | ||
| 20 - 80% Load Aux | 350 / 250 | µS/mV | ||
| Low Line - High Line Main | 300 / 350 | µS/mV | ||
| Low Line - High Line Aux | 300 / 300 | µS/mV | ||
| 50 - 100% Load Main | 250 / 300 | µS/mV | ||
| 50 - 100% Load Aux | 250 / 200 | µS/mV | ||
| Temperature Drift | 0.01 | 0.05 | %/oC | |
| Long Term Drift | 0.01 | 0.02 | %/1KHrs | |
| Current Limit | 105 | 125 | 150 | % Iout |
| Short Circuit Current | 25 | 75 | % Iout | |
| Turn On Time | 1.5 | mS | ||
| Logic Turn On Time | 1.5 | mS | ||
| * = 1 % or 50mV, whichever is
greater 1 = 0.2% or 25mV, whichever is greater |
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| Isolation Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Isolation: Input to Output |
500 | Vdc | ||
| Output to Base | 250 | Vdc | ||
| Input to Base (28 Vdc in) |
250 | Vdc | ||
| Input to Output
Capacitance |
0.066 | µF | ||
| Insulation Resistance (@50 Vdc) | 50 | MOhm | ||
| Mechanical Characteristics | ||
| Weight | 6.8 | oz |
| 190 | grams | |
| Size | 3.0 x 3.5 x 0.38 | inch |
| 76.2 x 88.9 x 9.7 | mm | |
| Volume | 3.99 | inch3 |
| 65.7 | cm3 | |
| Temperature Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Operating | -55 | +100 | oC | |
| Storage (Ambient) | -55 | +125 | oC | |
| Over Temperature Shutdown | +105 | oC | ||
| Thermal Resistance Case - Ambient | 12 | oC/W | ||
| Environmental Screening - M Model | |
| Stabilization Bake: | +125oC for 24 hours similar to Mil-Std-883, M1108, Condition B |
| Temperature Cycling: | 10 cycles at -55oC to +125oC (transition period 36 minutes) similar to Mil-Std-883, M1010, Condition B |
| Burn-in: | 160 hours at +85oC minimum |
| Final Testing | |
| Environmental Screening - I Model | |
| Burn-in: | 16 hours at +85oC minimum |
| Final Testing | |
