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Polytron TWA8 Series DC-DC Converters, 8 Watt Single and Dual Output, 24 Pin DIP Package


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Daburn Part Number:

Five-sided EMI shield with regulated outputs

Our 8 watt single and dual output DC-DC converter features a five-sided EMI shield and no derating up to 70°C. It has an efficiency of 80% and a minimum input/output isolation of 1500 Vdc.

  • 8 Watts in DIL Package
  • 3.3 Vdc Output
  • Regulated 24 Pin DIP Package
  • Isolated, 2:1 Input
  • 80% Typical Efficiency
  • Regulated Outputs
  • No Derating to 70°C
  • 1500 Vdc Min. Input/Output Isolation
  • 5-Sided EMI Shield

Dimensions: 1.25" x 0.80" x 0.40" (31.8 x 20.3 x 10.2 mm)

TWA8 Series Specification Sheet PDF



Daburn Part
Number
Input Voltage
Range 
(Vdc)
Output Voltage
(Vdc)
Output Current 
(mA)
Efficiency
%
Single Output
TWA8-12S3.3 12 (9-18) 3.3 2000 80
TWA8-12S5 5 1500 82
TWA8-12S12 12 666 83
TWA8-12S15 15 533 83
TWA8-24S3.3 24 (18-36) 3.3 2000 81
TWA8-24S5 5 1500 82
TWA8-24S12 12 666 83
TWA8-24S15 15 533 83
TWA8-48S3.3 48 (36-72) 3.3 2000 81
TWA8-48S5 5 1500 83
TWA8-48S12 12 666 84
TWA8-48S15 15 533 84
Dual Output
TWA8-12-5 12 (9-18) ±5 ±800 83
TWA8-12-12 ±12 ±333 84
TWA8-12-15 ±15 ±267 84
TWA8-24-5 24 (18-36) ±5 ±800 83
TWA8-24-12 ±12 ±333 84
TWA8-24-15 ±15 ±267 84
TWA8-48-5 48 (36-72) ±5 ±800 84
TWA8-48-12 ±12 ±333 85
TWA8-48-15 ±15 ±267 85



Input and Output Specifications:


INPUT

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


OUTPUT

  • Voltage Accuracy: ±2% max.
  • Line Regulation
    • Single Output: ±0.2% max.
    • Dual Output: ±0.2% max.
  • Load Regulation
    • Single Output: ±0.2% max.
    • Dual Output: ±1% max.
  • Ripple Noise (20 MHz BW): 50mVp-p
  • Temperature Coefficient (at FL): ±0.02%/°C max.


REMOTE ON/OFF CONTROL

  • Control Voltage Referenced To Negative (-) Input
    • Compatibility: CMOS, TTL
    • On Control: 4.8V min. on open
    • Off Control: 1.8V max. on short

 

More Specifications:

GENERAL

  • Efficiency: 80 - 85% nominal line at FL
  • Isolation Voltage: 1500 Vdc min.
  • Isolation Resistance: 1000 MOhms
  • Isolation Capacitance: 300 pF max.
  • Switching Frequency: 300 KHz min.

ENVIRONMENTAL

  • Operating Temperature Range: -25 to 71°C
  • Storage Temperature Range: -55 to 125°C
  • Cooling Free: Air Convection
  • EMI/RFI: Five-Sided Shield

PHYSICAL

  • Case Material:
    • Non-Conductive Nickel-Coated Copper with Non-Conductive Base
  • Dimensions: 1.25" x 0.80" x 0.40" (31.8 x 20.3 x 10.2 mm)

 

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