Electrical Power Solutions: Interpoint® SMFLHP Series™
Electrical Power Solutions: Interpoint® SMFLHP Series™
Interpoint® SMFLHP Series™ 28 volt DC-DC converters
Application: Space
• Radiation tolerant space DC-DC converter
- Single event effects (SEE) LET performance to 86 MeV cm2/mg
- Total ionizing dose (TID) guaranteed per MIL-STD-883 method 1019, radiation hardness assurance (RHA) P = 30 krad(Si), L = 50 krad(Si), R = 100 krad(Si)
- 50 - 300 rad(Si)/sec dose rate (Condition A)
- 10 mrad(Si)/sec dose rate (Condition D)
• Parallel up to 3 converters—maximum recommended power
is 70% of the total available power.
• Operating temperature -55°C to +125°C
• Qualified to MIL-PRF-38534 Class H and K
• Input voltage range 19 to 40 volts
• Transient protection up to 80 volts for 50 ms
- Converter will shut down at an input voltage above approximately 45 volts
• Fully isolated, magnetic feedback
• Fixed high switching frequency
• Remote sense and output trim on single output models
• Primary and secondary inhibit function
• Synchronization input and output
• Indefinite short circuit protection
• High power density with up to 87% typical efficiency
| Model | Nominal Input Voltage | Input Voltage Range | Number of Outputs | Output Voltage | Total Output Power (W) | Auxiliary Output Voltage | Auxiliary Output Power | Typical Efficiency |
|---|---|---|---|---|---|---|---|---|
| Model: SMFLHP283R3S | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 1 | Output Voltage: 3.3 | Total Output Power (W): 53 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 72 |
| Model: SMFLHP2805S | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 1 | Output Voltage: 5 | Total Output Power (W): 80 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 80 |
| Model: SMFLHP2812S | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 1 | Output Voltage: 12 | Total Output Power (W): 90 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 86 |
| Model: SMFLHP2815S | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 1 | Output Voltage: 15 | Total Output Power (W): 100 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 87 |
| Model: SMFLHP2805D | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 2 | Output Voltage: 5 | Total Output Power (W): 80 | Auxiliary Output Voltage: -5 | Auxiliary Output Power: 56 | Typical Efficiency: 80 |
| Model: SMFLHP2812D | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 2 | Output Voltage: 12 | Total Output Power (W): 90 | Auxiliary Output Voltage: -12 | Auxiliary Output Power: 63 | Typical Efficiency: 86 |
| Model: SMFLHP2815D | Nominal Input Voltage: 28 | Input Voltage Range: 19-40 | Number of Outputs: 2 | Output Voltage: 15 | Total Output Power (W): 100 | Auxiliary Output Voltage: -15 | Auxiliary Output Power: 70 | Typical Efficiency: 87 |