Product Series: 4690A

Home / Products / 4690A

4690A

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

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

Single Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 4690A-S02 (2.5W) 4690A-S02.5 (2.5W) 4690A-S03.3 (2.5W) 4690A-S05 (2.5W) 4690A-S05.2 (2.5W) 4690A-S12 (2.5W) 4690A-S15 (2.5W) 4690A-S28 (2.5W)
4690A-S02 (2.5W) MIN 4690A-S02 (2.5W) TYP 4690A-S02 (2.5W) MAX 4690A-S02.5 (2.5W) MIN 4690A-S02.5 (2.5W) TYP 4690A-S02.5 (2.5W) MAX 4690A-S03.3 (2.5W) MIN 4690A-S03.3 (2.5W) TYP 4690A-S03.3 (2.5W) MAX 4690A-S05 (2.5W) MIN 4690A-S05 (2.5W) TYP 4690A-S05 (2.5W) MAX 4690A-S05.2 (2.5W) MIN 4690A-S05.2 (2.5W) TYP 4690A-S05.2 (2.5W) MAX 4690A-S12 (2.5W) MIN 4690A-S12 (2.5W) TYP 4690A-S12 (2.5W) MAX 4690A-S15 (2.5W) MIN 4690A-S15 (2.5W) TYP 4690A-S15 (2.5W) MAX 4690A-S28 (2.5W) MIN 4690A-S28 (2.5W) TYP 4690A-S28 (2.5W) MAX
Output set voltage +1.9 +2.0 +2.1 +2.4 +2.5 +2.6 +3.2 +3.3 +3.4 +4.9 +5.0 +5.1 5.1 +5.2 +5.3 +11.9 +12.0 +12.2 +14.9 +15.0 +15.1 +27.8 +28.0 +28.2
Output current Vin min — Vin max 125mA 1.25A 100mA 1.0A 75mA 0.75A 50mA 0.50A 48mA 0.480A 20.8mA 0.208A 16.7mA 0.167A 9.0mA 90.0mA
Efficiency Pout = max rated load 60% 66% 62% 68% 67% 69% 73% 77% 73% 77% 80% 85% 80% 86% 80% 86%
Line regulation Pout = max rated load
Vin min — Vin max
50mV 100mV 50mV 100mV 50mV 100mV 50mV 100mV 50mV 100mV 50mV 200mV 50mV 200mV 100mV 400mV
Load regulation Pout = 10% to F.L. 50mV 100mV 62mV 125mV 75mV 250mV 100mV 200mV 100mV 200mV 250mV 500mV 300mV 600mV 600mV 1.20V
Output ripple F.L. BW 2 MHz
mVpp
30 65 30 65 30 100 40 125 40 85 60 150 75 180 150 350

Dual Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 4690A-D05 (2.5W) 4690A-D12 (2.5W) 4690A-D15 (2.5W)
4690A-D05 (2.5W) MIN 4690A-D05 (2.5W) TYP 4690A-D05 (2.5W) MAX 4690A-D12 (2.5W) MIN 4690A-D12 (2.5W) TYP 4690A-D12 (2.5W) MAX 4690A-D15 (2.5W) MIN 4690A-D15 (2.5W) TYP 4690A-D15 (2.5W) MAX
Output set voltage +4.9
-4.9
+5.0
-5.0
+5.1
-5.1
+11.9
-11.9
+12.0
-12.0
+12.1
-12.1
+14.9
-14.9
+15.0
-15.0
+15.1
-15.1
Output current Vin min — Vin max ± 25mA ± 250mA ± 10.4mA ± 104mA ± 8.3mA ± 83mA
Efficiency Pout = max rated load 73% 77% 80% 85% 80% 86%
Line regulation Pout = max rated load
Vin min — Vin max
± 50mV ± 100mV ± 100mV ± 200mV ± 50mV ± 200mV
Load regulation Pout = 10% to F.L. ± 50mV ± 300mV ± 250mV ± 0.5V ± 300mV ± 600mV
Output ripple F.L. BW 2 MHz
mVpp
40 125 60 150 75 180

Triple Output Devices

Toggle Columns: Parameter - Conditions
Parameters Conditions 4690A-3.3/5 (2.5W) 4690A-3.3/12 (2.5W) 4690A-3.3/15 (2.5W) 4690A-T05 (2.5W) 4690A-T12 (2.5W) 4690A-T15 (2.5W)
4690A-3.3/5 (2.5W) MIN 4690A-3.3/5 (2.5W) TYP 4690A-3.3/5 (2.5W) MAX 4690A-3.3/12 (2.5W) MIN 4690A-3.3/12 (2.5W) TYP 4690A-3.3/12 (2.5W) MAX 4690A-3.3/15 (2.5W) MIN 4690A-3.3/15 (2.5W) TYP 4690A-3.3/15 (2.5W) MAX 4690A-T05 (2.5W) MIN 4690A-T05 (2.5W) TYP 4690A-T05 (2.5W) MAX 4690A-T12 (2.5W) MIN 4690A-T12 (2.5W) TYP 4690A-T12 (2.5W) MAX 4690A-T15 (2.5W) MIN 4690A-T15 (2.5W) TYP 4690A-T15 (2.5W) MAX
Output set voltage +3.2
+4.9
-4.9
+3.3
+5.0
-5.0
+3.4
+5.1
-5.1
+3.2
+11.0
-11.9
+3.3
+12.0
-12.0
+3.4
+12.1
-12.1
+3.2
+14.9
-14.9
+3.3
+15.0
-15.0
+3.4
+15.1
-15.1
+4.9
+4.9
-4.9
+5.0
+5.0
-5.0
+5.1
+5.1
-5.1
+4.9
+11.9
-11.9
+5.0
+12.0
-12.0
+5.1
+12.1
-12.1
+4.9
+14.9
-14.9
+5.0
+15.0
-15.0
+5.1
+15.1
-15.1
Output current Vin min — Vin max 40mA
± 25mA
380mA
± 250mA
40mA
± 115mA
380mA
± 105mA
40mA
± 15mA
380mA
± 83mA
30mA
± 20mA
250mA
± 125mA
30mA
± 20mA
250mA
± 52mA
30mA
± 20mA
250mA
± 42mA
Efficiency Pout = max rated load 60% 63% 61% 64% 61% 64% 61% 64% 65% 70% 65% 70%
Line regulation Pout = max rated load
Vin min — Vin max
25mV 50mV 25mV 250mV 25mV 250mV 100mV 200mV 100mV 200mV 100mV 200mV
Load regulation Pout = 10% to F.L. 50mV 100mV 75mV 150mV 80mV 160mV 50mV 100mV 75mV 150mV 80mV 160mV
Output ripple F.L. BW 2 MHz
mVpp
50 50 50 50 50 50

Pinout Table

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

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