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
Specifications
- Input: 28 VDC to VDC
- Input Range (Continuous): 16 VDC to 50 VDC
- Input Range (Full Power): 18 VDC to 50 VDC
- Transient Survival Voltage: 80 VDC to 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: 160 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
- Grade EU:
- 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
- Grade L:
- 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
- Grade LE:
- 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
- Grade S:
- 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
- Grade SE:
- TID up to 100kRad(Si)
- No SEE up to 60MeV*cm2/mg
Single Output Devices
Toggle Columns: Parameter - Conditions
| Parameters | Conditions | 5031A-S28 (100W) MIN | 5031A-S28 (100W) TYP | 5031A-S28 (100W) 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 | Download |
| ZF | Case Style 9 | 12 | Seam Weld Flanged Chassis Mount | Download |
| PD | Case Style 11 | 12 | Solder Sealed PCB Stud Mount | Download |
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[model_no] => LF
[diagram] => https://mdipower.com/mdi/products/wp-content/uploads/2020/10/lf.jpg
[mounting_information] => Solder Sealed Flanged PCB Mount
[pin_count] => 12
[step_file] => 1438
[style_designator] => LF
[style_name] => Case Style 7
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[model_no] => ZF
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[mounting_information] => Seam Weld Flanged Chassis Mount
[pin_count] => 12
[step_file] => 1449
[style_designator] => ZF
[style_name] => Case Style 9
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[model_no] => PD
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[mounting_information] => Solder Sealed PCB Stud Mount
[pin_count] => 12
[step_file] => 1441
[style_designator] => PD
[style_name] => Case Style 11
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