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20 Watt

Single, Dual and Triple Output
Regulated, Wide Input, 2:1 and 4:1


Low profile package with epoxy encapsulation

Our 20 watt single, dual and triple output DC-DC converter features 3.3 Vdc outputs, a low profile package of 2.0" x 1.6" x 0.40" and six-sided shielding.

INPUT

  • Input Voltages
    • 12 Vdc: 9 - 18 Vdc
    • 24 Vdc: 18 - 36 Vdc
    • 48 Vdc: 36 - 72 Vdc
  • Input Filter: Pi Network

OUTPUT

  • Voltage Accuracy: 2% max.
  • External Trim Adjustment Range: 10% min.
  • Line Regulation: ±0.1%
  • Load Regulation:
    • Single: 1%
    • Dual: 5%
  • Ripple Noise (20 MHz BW): 75 mV p-p max.
  • Temperature Coefficient (at FL): 0.02%/°C
  • Remote On/Off Control
    • On Control: 4.8V min. or Open
    • Off Control: 4V max. or Short

GENERAL

  • Efficiency: 81 - 83%
  • Isolation Voltage: 1600 Vdc min.
  • Isolation Resistance: 1000 MOhms
  • Switching Frequency: 300 KHz typ.
  • Short Circuit Protection: Continuous

ENVIRONMENTAL

  • Operating Temperature Range: -25 to 71°C
  • Storage Temperature Range: -55 to 105°C
  • Cooling: Free Air Convection
  • EMI/RFI: Six-Sided Continuous Shield

PHYSICAL

  • Case Material: Nickel coated copper with non-conductive base
  • Dimensions: 2.00" x 1.60" x 0.40" (50.8 x 40.6 x 10.2 mm)
  Input Voltage
Range (Vdc)
Output Voltage
(Vdc)
Output Current
(mA)
Efficiency
%
Model Number Case
2:1 Input
Voltage

Single Output
12 (9-18)    3.3 4000 77 MWA20-12S33 
5 4000 81 MWA20-12S5 
12 1670 83 MWA20-12S12 
15 1330 83 MWA20-12S15 
24 (18-36)    3.3 4000 78 MWA20-24S33 
5 4000 81 MWA20-24S5 
12 1670 83 MWA20-24S12 
15 1330 83 MWA20-24S15 
48 (36-72)    3.3 4000 79 MWA20-48S33 
5 4000 81 MWA20-48S5 
12 1670 83 MWA20-48S12 
15 1330 83 MWA20-48S15 
Dual Output
12 (9-18)   ±5 ±2000  81 MWA20-12-5 
±12  ±833 83 MWA20-12-12 
±15  ±666 83 MWA20-12-15 
24 (18-36)   ±5 ±2000  81 MWA20-24-5 
±12  ±833 83 MWA20-24-12 
±15  ±666 83 MWA20-24-15 
48 (36-72)   ±5 ±2000  81 MWA20-48-5 
±12  ±833 83 MWA20-48-12 
±15  ±666 83 MWA20-48-15 
Triple Output
12 (9-18)    3.3/±12 3000/±300 78 MWA20-12S33-12 
3.3/±15 3000/±250 78 MWA20-12S33-15 
5/±12  2000/±300 80 MWA20-12S5-12 
5/±15  2000/±250 80 MWA20-12S5-15 
24 (18-36)    3.3/±12 3000/±300 79 MWA20-24S33-12 
3.3/±15 3000/±250 79 MWA20-24S33-15 
5/±12  2000/±300 81 MWA20-24S5-12 
5/±15  2000/±250 81 MWA20-24S5-15 
48 (36-72)    3.3/±12 3000/±300 80 MWA20-48S33-12 
3.3/±15 3000/±250 80 MWA20-48S33-15 
5/±12  2000/±300 82 MWA20-48S5-12 
5/±15  2000/±250 82 MWA20-48S5-15 
4:1 Input
Voltage
Single Output
24 (9-36) 5 4000 79 MWB20-24S5 
12 1670 81 MWB20-24S12 
15 1330 81 MWB20-24S15 
48 (18-72)   5 4000 80 MWB20-48S5 
12 1670 81 MWB20-48S12 
15 1333 81 MWB20-48S15 
Dual Output
24 (9-36)   ±5 ±2000  79 MWB20-24-5 
±12  ±833 81 MWB20-24-12 
±15  ±666 82 MWB20-24-15 
48 (18-72)   ±5 ±2000  79 MWB20-48-5 
±12  ±833 83 MWB20-48-12 
±15  ±666 84 MWB20-48-15