Electrical Power Solutions: Interpoint® SMHF42 Series

Electrical Power Solutions: Interpoint® SMHF42 Series

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Product Type: 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