Welcome to Martek Power Abbott, Inc.

     



NW Series (NW50D)

50 Watt Dual Output Power Supply

           
orge_arr.gif (136 bytes) Download NW50D with case drawing

FEATURES
dot.gif (332 bytes) Over Temperature Protection
dot.gif (332 bytes) Remote Turn On (TTL)
dot.gif (332 bytes) Output Overvoltage Protection
dot.gif (332 bytes) Output Overcurrent Protection
dot.gif (332 bytes) 100% Envirnomental Screening (M Version)

 

HOW TO ORDER
NW sel 50.jpg (26911 bytes)

 

HOW TO ORDER
Series: NW
Total Output Power: 50 Watts
Output: "D" for Dual
Product Grade: "M" for Screened
"I"  for Industrial
Output Voltage: 2/3.3/5/5.2/9/12/15/24/28
Options: A/I/F (see table below)
OPTIONS
Standard Pins out top of unit.
A Option: Terminal Block
I Option: M.25 inserts
F Option: EMI Filter - internal

 

SELECTION CHART
Nominal Output (Vdc) Output Current @Channel (Amps)
2.0 5.0
3.3 5.0
5.0 5.0
5.2 4.8
9 2.8
12 2.1
15 1.66
24 1.1
28 0.9

 

INPUT CHARACTERISTICS (Per Channel)
   Min Typ Max Units
Input Voltage 90 110 130 Vac
   120 150 184 Vdc
Brown out (75% of Full Load)     80 Vac
No Load Power Dissipation    1.0 1.5 Watt
Inrush Current   15   A
Logic Disable Current (Sink)   5

  6

mA
Logic Disable Power in   1.0 1.5 Watt
Efficiency at Full Load 75 80-86    %
Efficiency 3.3Vdc Output 70 74   %
Efficiency 2Vdc Output 60 65    
Power Factor (110 Vac,60Hz)
      Half Load
      Full Load
  0.55
0.59
   
EMI Units conform to MIL-STD-461D (on input leads) with optional filter (-F)
Input Transient Units can withstand 180 Vac transients for up to 0.1 sec.

 

OUTPUT CHARACTERISTICS
  Min Typ Max Units
Set Point Accuracy       1* % Vout
Load Regulation   0.1 0.2 % Vout
Line Regulation    0.1 0.2 % Vout
Ripple P-P (10 MHz)
* or 1% (whichever is greater)
    50 150 mV
Overvoltage Protection      125      % Vout
Transient Response (Vout 1%) Time/Overshoot
     20-80% Load   500/300   µS/mV
     Low Line - High Line 500/300 µS/mV
     50%-100% Load   500/300   µS/mV
Temperature Drift 0.01 0.02 %/oC
Long Term Drift   0.01   %/1KHrs
Current Limit 130 % Iout
Short Circuit Current   50   % Iout
Turn On Time 200 mS
Logic Turn On Time   3   mS
* 1% or 50mV, whichever is greater

 

TEMPERATURE CHARACTERISTICS
  Min Typ Max Units
Operating -40 +90 oC
Storage - Ambient -55   +115 oC
Over Temperature Shutdown +95 oC
Thermal Resistance Case-
  Ambient
  5   oC/W

 

M- GRADE -  ENVIRONMENTAL SCREENING
Stabilization Bake +115 °C for 24 hours similar to Mil-Std-883, M1108, Condition B
Temperature Cycling 10 cycles at -55 °C to +115 °C (transition period 5 °C/min.) similar to Mil-Std-883, M1010, Condition B
Burn in 160 hours @ 75 °C minimum.
Final Testing    

 

I- GRADE -  ENVIRONMENTAL SCREENING
Burn in 16 hours @ +75 °C minimum.
Final Testing     

 

ISOLATION CHARACTERISTICS
Min Units
Isolation    
   Input to Output 500 Vdc
   Output to Base 500 Vdc
   Input to Base 500 Vdc
Insulation Resistance @ 50Vdc 50 MOhm

 

MECHANICAL CHARACTERISTICS
Weight 28.8 oz.
816.4 grams
Size 3.5 x 2.5 x 2.18 inch
88.9 x 63.5 x 55.4 mm
Volume 19.08 inch3
312.7
mm3
Material 24GA CRS
Finish Nickel Plating
Mounting 4-40 Inserts


All specifications are typical at +25 °C with nominal input voltages under full output load conditions, unless otherwise noted.   Specifications subject to change without notice.