FEATURES. Nominal Output Voltage Units Vdc Vdc Watt mc ma ma W db db

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1 NH Watts Power Series Total Power Single (S), Dual (D) Industrial (I) or Military (M) Brown Out ( of Full Load) (fig. I)* No Load Power Dissipation Inrush Charge (fig. VII)* Reflective Ripple Current (fig. VIII)* Logic Disable Current (Sink) Logic Disable Power In Input Ripple Rejection ( Hz) Input Ripple Rejection ( Hz) Voltage: Options: Maximum current A- pins out side of unit as stated in chart B- pins out bottom of unit C- pins out top of unit D- through hole inserts (STD threaded) I - M. inserts Model Numbering Example: To order a watt, Vout (single output), industrial grade power supply with pins out the side, the model number would be: NHSI/-A. Military grade would be NHSM/-A. To order a watt, dual output, and, industrial grade power supply with pins out of the top, the model number would be: NHDI//-C. Dual output, and, military grade, would be NHDM//-C. When ordering a dual ouput unit, the first output voltage in the model number is located on channel and the second model number is located on channel (see case drawing for details). PER CHANNEL 7.. Efficiency (FL) (fig. II, III)* 3.3 (FL) (FL) 7 7 EMI: conform to MIL-STD-D (on the input leads) with companion filter Input Transient: conform to MIL-STD-7D for transients up to V for. second db SINGLE & DUAL OUTPUTS How to Order: NH D I / / - A - D INPUT CHARACTERISTICS STABILITY db Watt mc ma ma W db db FEATURES.38 Inch Profile Power Good*** Synchronization** Remote Turn On (TTL)*** Voltage Trim Pin** Single and Dual s Over Temperature Protection N+ Redundancy (Single ) Overvoltage/Overcurrent Protection Environmental Screening (Military Version) s Isolated Allowing Any Combination of Voltages SELECTION CHART Nominal Voltage Single Current (Amps) OUTPUT CHARACTERISTICS Dual Per Channel Current (Amps) PER CHANNEL Set Point Accuracy Load Regulation Line Regulation Ripple P-P ( MHz) (fig. IV)*.. mv or Vout, whichever is greater Trim Range Remote Sense Compensation Overvoltage Protection Current Sharing ±. ± Transient Response (Recovery to Vout) Time/Overshoot - Load Low Line - High Line - Load Temperature Drift Long Term Drift Current Limit / / /.. 3 Short Circuit Current (Burp Mode) Turn On Time (fig. XI)* Logic Turn On Time (fig. IX)*. Vout Vout Vout mv Vout Vout Iout / /KHrs Iout Iout ms ms - db Phase Gain or mv, whichever is greater * Figures on page ** Features referenced to Ground *** Features referenced to Channel Ground Knox Street Torrance CA 9 USA Tel: sales@martekpower.com >>

2 HIGH DENSITY DC TO DC CONVERTERS TEMPERATURE TURE CHARACTERISTICS Operating Storage (Ambient) Over Temperature Shutdown Thermal Resistance Case - Ambient CASE DRAWINGS /W ENVIRONMENTAL SCREENING - M MODEL Stabilization Bake: + for hours similar to Mil-Std-883, M8., Condition B Temperature Cycling: cycles at - to + (transition period 3 minutes) similar to Mil-Std-883, M, Condition B Burn-in: hours at +8 min. Final Testing ENVIRONMENTAL SCREENING - I MODEL Burn-in: Final Testing hours at +8 min. See Guide to Operation for full details. Isolation: Input to to Base Input to Base Input to Capacitance (single) Input to Capacitance (dual) Insulation Resistance (@ ) Weight Size Volume Material Finish Mounting Industrial & Military Grades ISOLATION CHARACTERISTICS x. x x. x Pin Baseplate Case Standard I Option D Option.. MECHANICAL CHARACTERISTICS μf μf MOhm oz. grams inch mm inch 3 cm 3 Brass (Solder Plating) Aluminum -H3 8 Gauge Steel (cold rolled) Nickel Plating - inserts provided in basplate M. metric inserts ( places). DIA thru holes ( places). /. 3.8 / / / /.33. / / 3.8 +V IN IN RTN 3 TTL POWER GOOD SYNC PAR TRIM +S + OUT - S / / 7. - UNC-B THRU PLACES 3. / / / / / 7.3. / 9.8. /.. /.97. /. 3.8 / / / /.33. / / 3.8 +V IN 3 TTL IN RTN Channel POWER GOOD SYNC TRIM +S + OUT - S / / 7. - UNC-B THRU PLACES 3. / / / / 7.3. / 9.8. /.. /.97 Single.8 / 7.3 Dual.8 / 7.3. / 3.8 +OUT 3. / 9.. /.. / 3.8 Channel TRIM +S +OUT - S 3. / / 3.. / 9.. /.. /. -C Option.3 / 7. marking surface. /.7 MIN..38 / 9.7 base plate. / 3.8. /.7 MIN.. DIA ±. -B Option Tolerances: inches - x = ±.3 = ±. mm - x.x = ±.8 = ±. Knox Street Torrance CA 9 USA Tel: sales@martekpower.com >>

3 NH Performance Characteristics I. vs. Power I. Efficiency vs. Load III. Efficiency vs. Line Voltage 9 9 Power V V 3V V V V 8V 8 7 8V V 8 V V V 3V 7 V 8V V V V V 3V V Load IV. Voltage Ripple V. Load Transient Response VI. Input Transient Response Current A A/div A V/div mv/div Voltage Vin = 7 VII. Input Inrush Current VIII. Input Current Ripple IX. TTL Turn On ma/div Iout = A Vin = 7, Vout =, Iout = A mv/div mv/div Vin = 7 Vout = Voltage Time: μs/div Vin = 7, Vout =, Iout = A Time:.ms/div Time:.ms/div Vin = 7, Vout =, Iout = A V/div V/div TTL Signal.A/div Input Current Vin = 7, Vout =, Iout = A.V/div Voltage Time: μs/div Time: μs/div Time: μs/div X. TTL Turn-off XI. Turn On XI. Turn Off / Hold-up Time Vin = 7, Vout =, Iout = A Vin = 7, Vout =, Iout = A Vin = 7, Vout =, Iout = A.V/div TTL Signal V/div V/div.V/div Voltage.V/div Voltage.V/div Voltage Time: μs/div Time: ms/div Time: μs/div Knox Street Torrance CA 9 USA Tel: sales@martekpower.com >>

4 NHF EMI Filter FEATURES How to Order: NHF - A - D MIL-STD-D Compliance CE and CE Thermally Non-dissapative device Less than. Volt Drop Across the NHF Does Not Require External Components Meets Environmental Requirements of MIL- STD-8E and MIL-STD-9C For Use With NH, NH, and NH Series DC/DC Converters Series Total Power Options: A- pins out side of unit B- pins out bottom of unit C- pins out top of unit D- through hole inserts (STD threaded) I - M. inserts SPECIFICATIONS CASE DRAWINGS (Maximum) Rated Current Isolation (Input/ to Case) A. / 3.8. /.8. /. Operating Temperature Storage Temperature Insulation Resistance ) M Ohm. / / UNC-B THRU PLACES.3 / 3.93 Weight.7 oz.. /.7 + IN 8. grams + OUT 3.8 /.3 Size Volume. x. x.38. x 38. x 9.7. inch mm inch 3. /.3 - IN. /.88 Material. Pin cm 3 Brass (Solder Plating). / 3.8. / 3.8 Baseplate Aluminum -H3 Case 8 Gauge Steel (cold rolled) Finish Nickel Plating Mounting Standard: - inserts provided.3 / 7. -C Option I Option: in basplate M. metric inserts.38 / 9.7 marking surface. /.7 MIN. D Option: ( places). DIA thru holes ( places) base plate. /.7 MIN.. / 3.8 -B Option. DIA ±. Tolerances: inches - mm - x x.x = ±.3 = ±. = ±.8 = ±. Knox Street Torrance CA 9 USA Tel: sales@martekpower.com >> 8

5 EMI COMPLIANCE GRAPHS Mil-STD-D, CE 7 Vin - watts 7 Vin - watts khz khz Without NHF With NHF Mil-STD-D, CE 7 Vin - watts 7 Vin - watts MHz MHz Without NHF With NHF >> 9 Knox Street Torrance CA 9 USA Tel: sales@martekpower.com