HQA85 Series Related Products Type Type Description Isolated DC-DC Converter HQA120 120W MIL-COTS, Input 9-40V, Isolated Quarter Brick with M-Grade screening available Isolated DC-DC Converter GQA 120W Industrial, Input 9-36V, Isolated Quarter Brick Input Filter FQA 40V / 20A MIL-COTS Filter for MIL-STD-461 Input Filter FQB 40V / 20A MIL-COTS Filter for MIL-STD-461 MIL-STD-1275 MIL-STD-704 DO-160G Evaluation Board FQX-HQA-EVK-D0 Evaluation board (no modules) that fits 2X HQA or GQA DC-DC converters Specifications Model 3.3 5 12 15 24 28 Input Input Voltage Range Vdc 9 - 40 Input Transient (t < 1s) Vdc 50 Input Current (max) A 13 Turn-ON Input Voltage Vdc 9.5 typical Turn-OFF Input Voltage Vdc 8.5 typical Efficiency % 84 91 90 92 87 88.5 Safety Agency Certifications - IEC/UL/CSA/EN 62368-1, 60950-1, CE Mark Output Output Voltage Tolerance % 4 (Rated input, Load and Temperature) Output Voltage Adjustment Range Vdc 3.14 - 3.63 4.5 - 5.5 10.8 - 13.2 13.5 - 16.5 21.6 - 26.4 25.2 - 30.8 Line Regulation % 0.05 Load Regulation % 0.1 0.03 External Load Capacitance uF 47 - 2200 22 - 2200 0 - 1800 0 - 1500 0 - 1000 0 - 1000 Ripple & Noise mVpp 20 40 70 100 100 80 Switching Frequency kHz 270 Overcurrent Protection Threshold (typ) A 33 27 11 8 5.2 4.2 Over Voltage protection (typ) Vdc 5 6.5 15 18 32 35 Over Temperature Protection - Shutdown - Autorecovery Environmental Operating Temperature (Tc) C -40 to 115 (-S : Standard Screening) Storage Temperature C -65 to 125 Humidity (non condensing) %RH 10 - 95 Cooling - Conduction Cooling Isolation Voltage Vdc 2250 (Input to Output / Input to Baseplate / Output to Baseplate) Isolation Resistance M > 10 Shock - MIL-STD-202G, Method 213B, Table 213-1, Test Condition I Vibration - MIL-STD-202G, Method 201A Altitude ft 70,000 MIL-STD-883F Method 1001 / MIL-STD-810G Method 500.5 Procedure I, II, III Qualification Methods MIL-STD-883F MIL-STD-202G and MIL-STD-810G Other Weight (max) g 100 (Flanged Baseplate) Size (LxWxH) mm Flanged Baseplate: 60.6 x 55.9 x 12.7 Non-Flanged Baseplate: 60.6 x 39 x 12.7 Size (LxWxH) Inches Flanged Baseplate: 2.39 x 2.2 x 0.5 Non-Flanged Baseplate: 2.39 x 1.54 x 0.5 MTBF - Telcordia SR-332 - > 4 MHrs 100% Load Ta = 40C Warranty yrs 3 Notes: See website for detailed product specifications. 2 HQA85 Series