4690A-3.3/5

2.5W Proton Rad Hard 100K+® DC – DC Converters

Features

  • RadHard TID >100kRad(Si)
  • No SEE: LET > 82meV*cm^2/mg
  • Proton Resistant: No optocouplers used
  • Completely self contained Thick Film Hybrid DC-DC Converter
  • No External Filter Caps required
  • 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 to VDC
  • Input Range (Continuous): 16 VDC to 40 VDC
  • Isolation Input to Case: 500 VDC to VDC
  • Isolation Input to Output: 500 VDC to VDC
  • Isolation Output to Case: 100 VDC to VDC
  • 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 28 VDC

Typical INH (off) quiescent current <800uA

Triple Output Devices

Parameters Conditions 4690A-3.3/5 (2.5W)
MIN TYP MAX
Output set voltage +3.2
+4.9
-4.9
+3.3
+5.0
-5.0
+3.4
+5.1
-5.1
Output current Vin min — Vin max 40mA
± 25mA
380mA
± 250mA
Efficiency Pout = max rated load 60% 63%
Line regulation Pout = max rated load
Vin min — Vin max
25mV 50mV
Load regulation Pout = 10% to F.L. 50mV 100mV
Output ripple F.L. BW 2 MHz
mVpp
50

Pinout Table

Case Styles