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NH Series (NH50S)
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Download NH50S with case drawing
| Features |
| • 0.38 Inch Profile |
| • Power Good |
| • Synchronization |
| • Remote Turn On (TTL) |
| • Output Voltage Trim Pin. |
| • Over Temperature Protection. |
| • MIL-STD-883 Screening (Military Version). |
| • Output Overvoltage/Overcurrent Protection |
| • Outputs Isolated allowing any combination of Output Voltages |
| Accessory Products | |
| NHF150: | EMI Filter to meet MIL-STD-461C. |
| Selection Chart | |||
| Nominal Output (Vdc) | Output Current (Amps) | Model Number (Industrial) |
Model Number (Military) |
|---|---|---|---|
| 2.0 | 10 | NH50SI/2-A | NH50SM/2-A |
| 3.3 | 10 | NH50SI/3.3-A | NH50SM/3.3-A |
| 5.0 | 10 | NH50SI/5-A | NH50SM/5-A |
| 5.2 | 9.6 | NH50SI/5.2-A | NH50SM/5.2-A |
| 12 | 4.2 | NH50SI/12-A | NH50SM/12-A |
| 15 | 3.3 | NH50SI/15-A | NH50SM/15-A |
| 24 | 2.1 | NH50SI/24-A | NH50SM/24-A |
| 28 | 1.8 | NH50SI/28-A | NH50SM/28-A |
| Input Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Input Voltage | 200 | 270 | 400 | Vdc |
| Brown Out (75%)Full Load (fig. I) | 180 | Vdc | ||
| No Load Power Dissipation | 2 | 3 | Watt | |
| Inrush Charge (fig. VII) | 0.12 | 0.2 | mc | |
| Reflected Ripple Current (fig. VIII) | 33 | % | ||
| Logic Disable Current (Sink) | 5 | 6 | mA | |
| Logic Disable Power In | 2 | 3 | W | |
| Input Ripple Rejection (120 Hz) | 75 | dB | ||
| Input Ripple Rejection (800 Hz) | 60 | dB | ||
| Efficiency (FL) (fig. II, III) | 75 | 80-86 | % | |
| 3.3 Vdc Ouptut (FL) | 70 | 74 | % | |
| 2 Vdc Ouptut (FL) | 60 | 65 | % | |
| EMI: Units conform to MIL-STD-704D (on the input leads) with companion filter | ||||
| Input Transient: Units conform to MIL-STD-704D for transients up to 500V for 0.1 second | ||||
| Output Characteristics | ||||
| Min | Typ | Max | Units | |
| Set Point Accuracy | 1* | % Vout | ||
| Load Regulation | 0.15 | 0.2 | % Vout | |
| Line Regulation | 0.15 | 0.2 | % Vout | |
Ripple P-P (10 MHz) |
100 | mV | ||
| Trim Range | 90 | 110 | % Vout | |
| Remote Sense Compensation | 0.5 | Vdc | ||
| Overvoltage Protection | 125 | % Vout | ||
| Current Sharing | ±10 | % Iout | ||
| Transient Response (Recovery to 1% Vout) Time / Overshoot | ||||
| 20 - 80% Load | 500/500 | µS/mV | ||
| Low Line - High Line | 500/500 | µS/mV | ||
| 50 - 100% | 500/500 | µS/mV | ||
| Temperature Drift | .01 | .05 | %/oC | |
| Long Term Drift | .01 | .05 | %/1KHrs | |
| Current Limit | 130 | % Iout | ||
| Short Circuit Current (Burp Mode) | 25 | % Iout | ||
| Turn On Time (fig. XI) | 60 | mS | ||
| Logic Turn On Time (fig. IX) | 1.0 | mS | ||
| * 1% or 50mV, whichever is greater | ||||
| Isolation Characteristics | ||||
| |
Min | Typ | Max | Units |
|---|---|---|---|---|
| Isolation: | ||||
|
1000 | Vdc | ||
|
500 | Vdc | ||
|
1000 | Vdc | ||
| Input to Output Capacitance | 0.022 | µF | ||
| Insulation Resistance(@50 Vdc) | 50 | MOhm | ||
| Temperature Characteristics | ||||
| Min | Typ | Max | Units | |
|---|---|---|---|---|
| Operating Temp | -55 | +100 | ºC | |
| Storage (Ambient) | -55 | +125 | ºC | |
| Over Temperature Shutdown | +105 | ºC | ||
| Thermal Resistance Case - Ambient | 11 | ºC/W | ||
| Environmental Screening - M Model | |
| Stabilization Bake: | +125oC for 24 hours similar to M1108, Condition B |
| Temperature Cycling: | 10 cycles at -55oC to +125oC (transition period 36 minutes) similar to 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 | |
See "Guide to Operation" for full details |
|
| Mechanical Characteristics | ||
| Weight | 4.2 |
oz |
120 |
grams |
|
| Size | 3.0 x 2.0 x 0.38 |
inch |
76.2 x 50.8 x 9.7 |
mm |
|
| Volume | 2.28 |
inch3 |
37.5 |
cm3 |
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| Material | Pin | Brass (Solder Plating) |
| Baseplate | Aluminum 5052-H32 | |
| Case | 28 Gauge Steel (cold rolled) | |
| Finish | Nickle Plating | |
| Mounting | Standard | 4-40 inserts provided in baseplate |
| I Option | M2.5 metric inserts (4 places) | |
| D Option | 0.115 DIA thru holes (4 places) | |
