Electrical Power Solutions: Interpoint® SMSA Series™
Electrical Power Solutions: Interpoint® SMSA Series™
SMSA Single and Dual DC-DC Converter
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)
• Operating temperature -55°C to +125°C
• Qualified to MIL-PRF-38534 Class H and K
• Input voltage range 16 to 40 volts
• Transient protection 50 volts for 50 ms
• Fully isolated
• Fixed high frequency switching
• Inhibit function
• Indefinite short circuit protection
• High power density, up to 74% typical efficiency
• Soft-start function limits inrush current during startup
| 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: SMSA283R3S | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 1 | Output Voltage: 3.3 | Total Output Power (W): 4 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 66 |
| Model: SMSA2805S | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 1 | Output Voltage: 5 | Total Output Power (W): 5 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 74 |
| Model: SMSA285R2S | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 1 | Output Voltage: 5.2 | Total Output Power (W): 5 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 74 |
| Model: SMSA2812S | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 1 | Output Voltage: 12 | Total Output Power (W): 5 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 74 |
| Model: SMSA2815S | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 1 | Output Voltage: 15 | Total Output Power (W): 5 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 74 |
| Model: SMSA2805D | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 2 | Output Voltage: 5 | Total Output Power (W): 5 | Auxiliary Output Voltage: -5 | Auxiliary Output Power: 4 | Typical Efficiency: 70 |
| Model: SMSA2812D | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 2 | Output Voltage: 12 | Total Output Power (W): 5 | Auxiliary Output Voltage: -12 | Auxiliary Output Power: 4 | Typical Efficiency: 73 |
| Model: SMSA2815D | Nominal Input Voltage: 28 | Input Voltage Range: 16-40 | Number of Outputs: 2 | Output Voltage: 15 | Total Output Power (W): 5 | Auxiliary Output Voltage: -15 | Auxiliary Output Power: 4 | Typical Efficiency: 73 |