Download PDF

53769

5W 100K+ Proton Rad Hard Hybrid DC-DC Converter

Features

  • RadHard TID >100kRad(Si)
  • 2:1 Margin: Operates beyond 200kRad TID
  • No SEE: LET > 82meV*cm^2/mg
  • Proton Resistant: No optocouplers used
  • Completely self contained Thick Film Hybrid DC-DC Converter

Specifications

Input: 28 VDC
Input Range (Continuous): 18 VDC to 40 VDC
Transient Survival Voltage: 80 VDC
Isolation Input to Case: 500 VDC
Isolation Input to Output: 500 VDC
Isolation Output to Case: 100 VDC
Storage Temp: -55 °C to 150 °C
Shock: 50 G's
Acceleration: 500 G's
Vibration: 30 G's
Weight: 50 gms typical

Environment

    • Grade EU:
      • Full Output Power at Tcase = 85°C
      • Minimum Output Power at Tcase = -55°C
        • Linearly derates to zero at Tcase = 115

      • TID up to kRad(Si)
      • No SEE up to 60MeV*cm2/mg

    • Grade LE:
      • Full Output Power at Tcase = 125°C
      • Minimum Output Power at Tcase = -55°C
        • Linearly derates to zero at Tcase = 135

      • TID up to 45kRad(Si)
      • No SEE up to 60MeV*cm2/mg

    • Grade SE:
      • Full Output Power at Tcase = 125°C
      • Minimum Output Power at Tcase = -55°C
        • Linearly derates to zero at Tcase = 135

      • TID up to 100kRad(Si)
      • No SEE up to 60MeV*cm2/mg

Additional Notes

Dual Output Devices

Parameters Conditions 53769 (5W)
MIN TYP MAX
Output set voltage — 14.5
4.8		 15.0
5.0		 15.5
5.2
Output current Vin min — Vin max — — 250mA
150mA
Efficiency Pout = max rated load 72% 76% —
Line regulation Pout = max rated load
Vin min — Vin max		 — — 100mV
300mV
Load regulation Pout = 10% to F.L. — ±450mV
±: 150mV		 —
Output ripple F.L. BW 2 MHz
mVpp		 — — 100mV
300mV

Pinout Table

53769
Pin-1: +28VDC Input
Pin-2: +28 VDC Input
Pin-3: N/C
Pin-4: Case
Pin-5: N/C
Pin-6: +5VDC Output
Pin-7: Common Output Return
Pin-8: N/C
Pin-9: +15VDC Output
Pin-10: N/C
Pin-11: N/C
Pin-12: N/C
Pin-13: N/C
Pin-14: N/C
Pin-15: Inhibit Not
Pin-16: N/C
Pin-17: +28 VDC Input Return
Pin-18: +28 VDC Input Return

Case Styles

Part Number Designator Case Style Pin Count Mounting Step File
TF Case Style 15 18 Seam Weld Flanged Chassis Mount —