MV24-28-600S H i g h O u t p u t P o wer, High Efficiency DC/DC Converter Industry Standard 4.59” x 2.4” x 0.5” Package High Power Density up to 109.29W/ Inch ³ High Typical Efficiency of 91% Low Output Noise Metal Baseplate Thermal Protection Over Voltage and Over Current Protection Output Under Voltage Protection Adjustable Output Voltage Remote Sense DESCRIPTION: The MEGAVERTER® MV24-28-600S dc/dc converter is a high density, feature rich module packaged in the industry standard “full brick” size (2.4 x 4.59 x 0.5 inches) for circuit board mounting. It is designed for use in a 24/28 Vdc (18-36Vdc) input applications where large blocks of DC power are required. The MV24-28-600S utilizes an insulated metal substrate and is therefore well suited for the most rigorous requirements of COTS and thermally challenging industrial applications. Auxiliary Voltage of 8V, +/-1V I.O.G (DC Good): Open Collector Output Remote ON/OFF Control Model Number Output Voltage Output Amps Input Range Max. Iin FL Efficiency Max Output Power MV24-28-600S 28 VDC 21.5 18-36 VDC 28.9A 91% 600 Watts WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 H i g h O u t p u t P o wer, High Efficiency DC/DC Converter MV24-28-600S ABSOLUTE MAXIMUM RATINGS (MIN TO MAX.) ISOLATION SPECIFICATIONS Input Voltage (+In to -In) Storage Temperature Storage Humidity Operating Temperature Operating Humidity Input-Output, Input-Case Output-Case Input-Output Capacitance Isolation Resistance -0.3 to 50VDC (<100mS) -0.3 to 36VDC (Continuous) -55 to +125°C 10 to 95% -40 to 100°C Temperature measurement shall be taken from the baseplate (Tb). See Fig. 3 for location definition 30 to 95% INPUT SPECIFICATIONS Input Operation Voltage: Input Current FL Inrush Transient Input Ripple Rejection 18-36 VDC 28.9A max. @ 24Vin, Full Load (FL) 2A²s 60dB@120Hz OUTPUT SPECIFICATIONS Output Voltage 28VDC Output Current (Io, max.) 21.5A (Note 1) Output Set Point (Vo,set) 27.95-28.05V @ Tb=25°C, 24Vin, FL Output Voltage Accuracy 27.72-28.28 @ 24Vin, FL Load Regulation (0% to FL) +/-0.2%, max. Line Regulation (HL-LL) +/-0.2%, max. Temperature Coefficient +/-0.02%/°C, -40 to 100°C Ripple/Noise 250mV p-p max. (Note 2) Dynamic Response: Peak Deviation 3%Vo, set (Note 4) Settling Time 300uS Over Voltage Protection 115-135% of Output, Io=0.5A Output Under Voltage Protection 12V, Output Overload & Short Circuit Over Temperature Protection 105-115°C, Auto Recover @ 100°C Current Limit 105-140% of Rated Load (Note 3) Efficiency 91% @ 24Vin, 28Vo, 80%L Tb=25°C 1500VDC, 60S 500VDC, 60S 2000pF 100MΩ @ Tb=25°C & 70%RH Output to Baseplate-500VDC STRUCTURAL DYNAMICS Vibration Shock (Note 5) 20g, 166in/sec, Square Wave GENERAL SPECIFICATIONS MTBF Weight Dimensions 1.2Mhrs Tb=40°C, 80%FL, 24Vin 7.94 oz (225g) 4.59” x 2.4” x 0.5” (116.59 x 60.96 x 12.7mm) CONTROL SPECIFICATIONS Turn-On Time Trim Adjustment Range 200mS @ 80%FL, max. Vo with ± 1%Vo set 60-100% with Cap, 440uF/35V Tb=25°C See TRIM CIRCUITS Figs 1 & 2 NOTES 1.At Vo = 28V. If Vo > 28V, Output Power (Po) should be ≤ 602W 2.Bandwidth 5Hz to 20MHz and with filter 0.1uF MLCC series 100Ω min. Output Capacitor: 220uF*2, Tc≥20°C, 220uF*4, Tc≤-20°C. 3. Current Limit inception point Vo=90% of Vo, set @ Tb=25°C. 4. 25%-50%-75% load, 0.1A/uS; With Cap. 440uF/35V Tb=25°C, 24Vin 5. Sine Wave, 10-55Hz (Sweep for 1 min.), Amplitude 0.825mm Constant (Max. 0.5g) X, Y. Z 1 Hour each, at No Operation All specifications are typical at nominal input, full load, and 25DegC unless otherwise noted WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 MV24-28-600S H i g h O u t p u t P o wer, High Efficiency DC/DC Converter TRIM CIRCUIT: A. Output Voltage Adjusted by using an external resistor and/or variable resistor: +S VR The output voltage can be determined by below equations: +V Load 1.225 * ( Rt // 32. 4)) (V) 7.32 + ( Rt // 32.4) Vout = ( 28 + VR) * Vf -V (V) Rt: +/-5% tolerance VR: +/-20% tolerance Unit: KΩ -S TR IM Vf = Rt Fig. 1 Schematic of output voltage adjusted by using an external resistor and/or variable resistor. B. Output Voltage Adjustment by Using an External DC Voltage: +S +V Load -V -S T R IM Output Voltage = TRIM Terminal Voltage * Nominal Output Voltage (V) DC Fig. 2 Schematic of output voltage adjusted by using an external DC voltage. WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 MV24-28-600S H i g h O u t p u t P o wer, High Efficiency DC/DC Converter BASEPLATE MEASURE POINT: UNIT: mm Fig. 3 Baseplate Temperature Measurement Point. DERATING CURVE: Output Power (%) 100% 80% 60% 40% 20% 0% -40 -20 0 20 40 60 80 100 Baseplate Temperature (°C) WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458 H i g h O u t p u t P o wer, High Efficiency DC/DC Converter MV24-28-600S OUTLINE DRAWING: WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082 ASTRODYNE PACIFIC: 886-2-26983458