Electrical Power Solutions: Interpoint® SMHF42 Series™
Electrical Power Solutions: Interpoint® SMHF42 Series™
SMHF42 Single and Dual 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) 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
• Screened to MIL-PRF-38534 Class H and K
• Input voltage range 35 to 55 volts
• Transient protection 80 volts for 50 ms
• Fully isolated
• Fixed high frequency switching
• Inhibit function
• Synchronization input
• Indefinite short circuit protection
• Undervoltage lockout
| 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: SMHF423R3S | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 1 | Output Voltage: 3.3 | Total Output Power (W): 8 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 72 |
| Model: SMHF4205S | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 1 | Output Voltage: 5 | Total Output Power (W): 12 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 79 |
| Model: SMHF425R2S | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 1 | Output Voltage: 5.2 | Total Output Power (W): 12.5 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 80 |
| Model: SMHF4212S | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 1 | Output Voltage: 12 | Total Output Power (W): 15 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 80 |
| Model: SMHF4215S | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 1 | Output Voltage: 15 | Total Output Power (W): 15 | Auxiliary Output Voltage: NA | Auxiliary Output Power: NA | Typical Efficiency: 81 |
| Model: SMHF4205D | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 2 | Output Voltage: 5 | Total Output Power (W): 12 | Auxiliary Output Voltage: -5 | Auxiliary Output Power: 8.4 | Typical Efficiency: 79 |
| Model: SMHF4207D | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 2 | Output Voltage: 7 | Total Output Power (W): 11.9 | Auxiliary Output Voltage: -7 | Auxiliary Output Power: 8.33 | Typical Efficiency: 80 |
| Model: SMHF4212D | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 2 | Output Voltage: 12 | Total Output Power (W): 15 | Auxiliary Output Voltage: -12 | Auxiliary Output Power: 10.5 | Typical Efficiency: 80 |
| Model: SMHF4215D | Nominal Input Voltage: 42 | Input Voltage Range: 35-55 | Number of Outputs: 2 | Output Voltage: 15 | Total Output Power (W): 15 | Auxiliary Output Voltage: -15 | Auxiliary Output Power: 10.5 | Typical Efficiency: 82 |