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Made in the USA

Model: 5031A-S28

5031A-S28

100 Watt 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
Specifically designed for redundant space applications
Completely self contained Thick Film Hybrid DC-DC Converter
No External Filter Caps required
Fully Isolated design
Inhibit-not function
Power on soft start
200kHz operation for low ripple and fast response time
Built in EMI input filter meets MIL-STD 461C requirements CE01,CE03, CS01, CS02 & CS06
Short Circuit protection
Over voltage protection
BIT

Specifications

Input: 28 VDC
Input Range (Continuous): 16 VDC to 50 VDC
Input Range (Full Power): 18 VDC to 50 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: 160 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

5031A-S28_EFFICIENCY

 

 

5031A-S28_EFFICIENCYmdipower.com/…01/5031A-S28_EFFICIENCY.pdf

Single Output Devices

Parameters Conditions 5031A-S28 (100W)
MIN TYP MAX
Output set voltage — +27.8 +28.0 +28.2
Output current Vin min — Vin max — — 3.6A
Efficiency Pout = max rated load 84% 87% —
Line regulation Pout = max rated load
Vin min — Vin max		 — 50mV 250mV
Load regulation Pout = 10% to F.L. — 50mV 250mV
Output ripple F.L. BW 2 MHz
mVpp		 — 150 350

Pinout Table

5031A-Sxx =>24VDC
Pin-1: BIT
Pin-2: Inhibit Not
Pin-3: Soft Start
Pin-4: Sync
Pin-5: + Input
Pin-6: Input Return
Pin-7: Adjust
Pin-8: + Remote Sense
Pin-9: - Remote Sense
Pin-10: Main Output
Pin-11: N/C
Pin-12: Main Output Return

Case Styles

Part Number Designator Case Style Pin Count Mounting Step File
4 Case Style 4 12 Solder Sealed Flanged PCB Mount —
LF Case Style 7 12 Solder Sealed Flanged PCB Mount View PDF
ZF Case Style 9 12 Seam Weld Flanged Chassis Mount View PDF
PD Case Style 11 12 Solder Sealed PCB Stud Mount View PDF