Crane Aerospace Electrical Power Systems

Electrical Power Solutions: Interpoint® SMTR Series

Crane Aerospace Electrical Power Systems

Electrical Power Solutions: Interpoint® SMTR Series

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SMTR Single and Dual DC-DC Converters - 28 VOLT INPUT – 30 WATT

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) 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° 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, magnetic feedback
Fixed high frequency switching, 600 kHz typical
Trim function or remote sense on single output models
Inhibit and synchronization functions
Indefinite short circuit protection
Typical efficiency up to 83%

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: SMTR283R3S Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 1 Output Voltage: 3.3 Total Output Power (W): 18 Auxiliary Output Voltage: NA Auxiliary Output Power: NA Typical Efficiency: 73
Model: SMTR2805S Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 1 Output Voltage: 5 Total Output Power (W): 25 Auxiliary Output Voltage: NA Auxiliary Output Power: NA Typical Efficiency: 78
Model: SMTR2812S Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 1 Output Voltage: 12 Total Output Power (W): 30 Auxiliary Output Voltage: NA Auxiliary Output Power: NA Typical Efficiency: 83
Model: SMTR2815S Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 1 Output Voltage: 15 Total Output Power (W): 30 Auxiliary Output Voltage: NA Auxiliary Output Power: NA Typical Efficiency: 83
Model: SMTR2805D Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 2 Output Voltage: 5 Total Output Power (W): 25 Auxiliary Output Voltage: -5 Auxiliary Output Power: 22.5 Typical Efficiency: 76
Model: SMTR2812D Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 2 Output Voltage: 12 Total Output Power (W): 30 Auxiliary Output Voltage: -12 Auxiliary Output Power: 27 Typical Efficiency: 80
Model: SMTR2815D Nominal Input Voltage: 28 Input Voltage Range: 16-40 Number of Outputs: 2 Output Voltage: 15 Total Output Power (W): 30 Auxiliary Output Voltage: -15 Auxiliary Output Power: 27 Typical Efficiency: 81