+1.631.345.3100
Made in the USA

Model: 3813-D12

3813-D12

18 Watt Proton Rad Hard 100K+® DC-DC Converter

Features

RadHard TID >100kRad(Si)
No SEE: LET > 82meV*cm^2/mg
Proton Resistant: No optocouplers used
Inhibit-not function
Power on soft start
200kHz operation for low ripple and fast response time
External Sync
Fully hermetic package
Fully Isolated design with magnetically coupled feedback

Specifications

Input: 28 VDC
Input Range (Continuous): 18 VDC to 50 VDC
Isolation Input to Case: 500 VDC
Isolation Input to Output: 500 VDC
Isolation Output to Case: 500 VDC
Storage Temp: -55 °C to +150 °C
Shock: G's
Acceleration: G's
Vibration: G's
Weight: 35 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

To operate converter, open Inhibit-not pin.

To inhibit converter, connect Inhibit-not pin to Input Return.

If not used, leave sync pin open

Suggested EMI Filter MDI Model 3723

Dual Output Devices

Parameters Conditions 3813-D12 (18W)
MIN TYP MAX
Output set voltage +lout = -lout+ +11.8
-11.8		 +12.0
-12.0		 +12.1
-12.1
Output current Vin min — Vin max ± 0.075A — ± 0.75A
Efficiency Pout = max rated load 80% 83% —
Line regulation Pout = max rated load
Vin min — Vin max		 — ± 200mV ± 300mV
Load regulation Pout = 10% to F.L. — ± 100mV ± 500mV
Output ripple F.L. BW 2 MHz
mVpp		 — 60 150

Pinout Table

3813-Sxx <24VDC
Pin-1: Inhibit Not
Pin-2: N/C
Pin-3: Output Return
Pin-4: Output +
Pin-5: Sync
Pin-6: Case
Pin-7: +28VDC Input Return
Pin-8: =28VDC Input

Case Styles

Part Number Designator Case Style Pin Count Mounting Step File
AA Case Style 18 8 Seam Weld Flangeless PCB Mount View PDF
AF Case Style 19 8 Seam Weld Flanged PCB Mount —