Model: 4690-S02

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4690-S02

Proton Rad Hard 100K+® DC – DC Converters

Features

  • RadHard TID >100kRad(Si)
  • 2:1 Margin: Operates beyond 200kRad TID
  • No SEE: LET > 82meV*cm^2/mg
  • Proton Resistant: No optocouplers used
  • Fully Isolated design

Specifications

  • Input: 28 to
  • Input Range (Continuous): 16 to 50
  • Isolation Input to Case: 500 to
  • Isolation Input to Output: 500 to
  • Isolation Output to Case: 100 to
  • Storage Temp: -55 °C to +150 °C
  • Shock: 50 G's to G's
  • Acceleration: 500 G's to G's
  • Vibration: 30 G's to G's
  • Weight: 50 gms typical to 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 L:
      • Full Output Power at Tcase = 85°C
      • Minimum Output Power at Tcase = -55°C
        • Linearly derates to zero at Tcase = 115

      • TID up to 45kRad(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 S:
      • Full Output Power at Tcase = 85°C
      • Minimum Output Power at Tcase = -55°C
        • Linearly derates to zero at Tcase = 115

      • TID up to 100kRad(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

Typical no load quiescent current <15mA at 28VDC.

Typical INH (off) quiescent current <275uA.

Single Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 4690-S02 (2.5W) MIN 4690-S02 (2.5W) TYP 4690-S02 (2.5W) MAX
Output set voltage +1.9 +2.0 +2.1
Output current Vin min — Vin max 125mA 1.25A
Efficiency Pout = max rated load 59% 62%
Line regulation Pout = max rated load
Vin min — Vin max
10mV 30mV
Load regulation Pout = 10% to F.L. 50mV 100mV
Output ripple F.L. BW 2 MHz
mVpp
30 65

Pinout Table

4690-Sxx <24V
Pin-1: BIT
Pin-2: Inhibit Not
Pin-3: Soft Start
Pin-4: Sync
Pin-5: Case
Pin-6: Input Return
Pin-7: + Input
Pin-8: Main Output
Pin-9: Main Output Return
Pin-10: N/C
Pin-11: N/C
Pin-12: N/C

Case Styles

Part Number Designator Case Style Pin Count Mounting Step File
2 Case Style 2 12 Solder Sealed Flangelss PCB Mount
F Case Style 3 12 Solder Sealed Flanged PCB Mount
G Case Style 5 12 Seam Weld Flangeless PCB Mount Download
GF Case Style 6 12 Seam Weld Flanged PCB Mount Download
UF Case Style 8 12 Seam Weld Flanged Chassis Mount Download