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3 Watt

Single and Dual Output


24-pin DIP package

With no external components, our 3 watt single output model of DC-DC converter has short circuit protection, a 2:1 wide input range and new 3.3 Vdc outputs.

INPUT

Input Voltages:

  • 5 Vdc: 4.5 - 6.0 Vdc
  • 12 Vdc: 9 - 18 and 9 - 36 Vdc
  • 24 Vdc: 18 - 36 and 18 - 72 Vdc
  • 48 Vdc: 36 - 72 Vdc

OUTPUT

  • Voltage Accuracy: ±3% max.
  • Voltage Stability: 0.5% max.
  • Line Regulation: 1% max.
  • Load Regulation: 1% max.
  • Ripple Noise of 20MHz Bw: 0.5 - 1% p-p max.
  • Temperature Coefficient (at FL): 0.02% °C max.
  • Short Circuit Protection: Continuous
  • Stability: 0.5% max.

GENERAL

  • Efficiency: 76% max. at FL
  • Isolation Voltage: 500 Vdc min.
  • Isolation Resistance: 1000 MOhms
  • Switching Frequency: 25 KHz min.

ENVIRONMENTAL

  • Operating Temperature Range: -25 to 71°C
  • Storage Temperature Range: -55 to 105°C
  • Derating: None
  • Cooling: Free Air Convection
  • Humidity: 25 - 95% RH Non-Condensing

PHYSICAL

  • Case Material: Non-Conductive Black Plastic
  • Weight: 0.5 oz. (14.3 g)
  • Dimensions: 1.25” x 0.80” x 0.50”
      Input Current (mA)    
Input Voltage
(Vdc)
Output Voltage
(Vdc)
Output Current
(mA)
No Load Full Load Model Number Case
Single Output
5 3.3 600 14.1 649 TWA3-5S33 B
5 500 60 720 TWA3-5S5 B
12 250 170 930 TWA3-5S12 B
15 200 140 880 TWA3-5S15 B
12 3.3 600 15.9 266 TWA3-12S33 B
5 500 30 300 TWA3-12S5 B
12 250 30 340 TWA3-12S12 B
15 200 35 375 TWA3-12S15 B
24 3.3 600 10 126 TWA3-24S33 B
5 500 15 165 TWA3-24S5 B
12 250 15 165 TWA3-24S12 B
15 200 20 170 TWA3-24S15 B
48 3.3 600 3.2 61 TWA3-48S33 B
5 500 15 80 TWA3-48S5 B
12 250 15 85 TWA3-48S12 B
15 200 10 95 TWA3-48S15 B
Dual Output
5 ±5 ±250 140 810   TWA3-5-5 B
±12 ±125 180 900   TWA3-5-12 B
±15 ±100  180 1000 TWA3-S-15 B
12 ±5 ±250 100 300 TWA3-12-5 B
±12 ±125 75 360   TWA3-12-12 B
±15 ±100 60 350 TWA3-12-15 B
24 ±5 ±250 30 150 TWA3-24-5 B
±12 ±125 30 180 TWA3-24-12 B
±15 ±100 30 120 TWA3-24-15 B
48 ±5 ±250 20 80 TWA3-48-5 B
±12 ±125 20 85 TWA3-48-12 B
±15 ±100 20 90 TWA3-48-15 B