600 WATT DC-DC CONVERTER MODEL MV380-56 DATA SHEET Distributed Power in Telecom, Industrial Control, Wireless, & Computer Applications INPUT: 380VDC • OUTPUT: 56VDC @ 10.7A • 600 WATTS Size: 2.4 x 4.6 x 0.5 inches DESCRIPTION MEGAVERTER DC-DC converters are high density, feature rich modules packaged in the industry standard “full brick” size (2.4 x 4.6 x 0.5 inches) for circuit board mounting. They are used where large blocks of DC power are required. The MV380-56 is designed for use with a PFC front end and provides up to 600 Watts of low noise, 56Vdc power from a universal ac line. MODEL SELECTION FEATURES • High Efficiency: 91% • -40 to +100°C Operation • Constant Frequency • Trim Range: 48V to 60V • Non-Shutdown Over Voltage Protection • Remote Sense RO Associates, Inc. • High Power Density: 109 W/cu. in. • Low Noise • Encapsulated • Parallelable with Current Sharing for n+m Redundancy • 105°C Over Temperature Protection • Safety Agency Compliant Sunnyvale, CA 408 744-1450 Model Input Number Voltage MV380-56 Output Output Voltage Current (Vdc) (Vdc) (A) 360-400 56 10.7 Application Notes and Evaluation Boards are Available fax:408 744-1521 email:[email protected] MEGAVERTER® DC-DC Converter MV380-56 ABSOLUTE MAXIMUM RATINGS Exceeding absolute maximum ratings may cause permanent damage and may reduce reliability. PARAMETER MIN MAX UNITS Input Voltage (+In to –In) Enable Voltage (Enable to –In) Parallel Pin Voltage (Parallel Pin to –In) Storage Temperature Operating Temperature Soldering Temperature (Wave Solder) Soldering Temperature (Hand Solder) -0.3 -0.3 -0.3 -55 -40 420 6.0 5.0 +125 +100 260 390 Vdc Vdc Vdc °C °C °C °C CONDITIONS Baseplate < 5 sec. < 7 sec. ELECTRICAL SPECIFICATIONS Electrical specifications apply over the entire range of input voltage, output current, and temperature unless indicated. INPUT PARAMETERS MIN TYP MAX UNITS Input Voltage Maximum Input Current Input Ripple Rejection 360 380 400 2.5 Vdc A dB OUTPUT PARAMETERS MIN TYP MAX UNITS 55.50 56 56.50 Vdc 0.3 0.02 0.6 0.1 % % 0 A to Full Load Over Vin Range 0.02 2 10.7 600 130 %/°C %Vp-p A W % F.L. -40 to +100 °C 5 Hz to 20 MHz 150 % F.L. 60 Voltage Set Point Load Regulation Line Regulation Voltage Drift w/Temperature Ripple Rated Current Output Power Current Limit Inception 1 0 115 120 Short Circuit Current Transient Response Peak Deviation (0.5A/µsec slew rate) Transient Response Settling Time (0.5 A/µsec slew rate) Efficiency External Load Capacitance RO Associates, Inc. 5 % Vout 100 µsec 91 % 0 1,000 Sunnyvale, CA 408 744-1450 CONDITIONS See Input Characteristic Curve @120 Hz CONDITIONS 380 Vin, 25°C, Full Load Vout = 95% Vout nominal Vout = 250 mV Load Change from 25% to 75% to 25% Full Load Vout within 1% Vout nominal Vin = 380 V, Full Load, 70 °C Case µF fax:408 744-1521 email:[email protected] MEGAVERTER® DC-DC Converter MV380-56 ELECTRICAL SPECIFICATIONS (continued) ISOLATION PARAMETERS MIN Input/Output Isolation Input/Baseplate Isolation Output/Baseplate Isolation Input-to-Output Capacitance Input-to-Output Resistance TYP MAX 4500 2500 500 4300 10 MECHANICAL PARAMETERS MIN Weight Size Thermal Resistance, Case-toAmbient TYP MAX MIN Power Sharing Accuracy Trim Range Remote Sense Compensation Over Voltage Protection (NonShutdown, Auto. Recovery) Over Temperature Shut-down Turn-On Time TYP 48 66 +100 +105 600 CONDITIONS Vdc Vdc Vdc pF Case Floating M Ohms UNITS CONDITIONS g (oz.) Inches °C/W See Outline Drawing Case Temperature = 100 °C MAX UNITS CONDITIONS ±5 60 0.5 72 %F.L. Vdc Vdc Vdc 10 to 100% Full Load (F.L.) 25 °C Case +110 °C msec Case Temperature F.L., Vout within 1% of Steady State 230 (7.4) 0.5 x 2.4 x 4.6 3.3 FEATURE PARAMETERS UNITS Enable * Vout = 0 Logic Off Threshold 0.8 V @Venable = 0 V Enable Current (Logic Off) 1.0 mA Logic On Threshold 2.4 V F.L., Vout within 1% of Steady State Turn-On Time 2.0 msec * An open collector connection or equivalent is recommended for on/off control. TRIM CIRCUIT CONFIGURATIONS +Out +Out +Sense +Sense TRIM RESISTOR CALCULATIONS 47.81− 10 × ∆Vo kohms R trim−up = ∆ V o Rtrim-up Trim Load Trim Load Rtrim-down -Sense -Sense -Out -Out 1023 − 29.12 × ∆Vo R trim−down = ∆Vo kohms ∆Vo = Desired Output Voltage Change (Volts) R trim−up = External Resistor Value to Increase Vo Trim Up RO Associates, Inc. Trim Down Sunnyvale, CA R trim−down = External Resistor Value to Decrease Vo 408 744-1450 fax:408 744-1521 email:[email protected] MEGAVERTER® DC-DC Converter MV380-56 Efficiency Transient Response 95 30 Vin = 380V 20 10 85 1V/div. Efficiency (%) 90 0 80 75 -10 70 -20 65 -30 0 2 4 6 8 10 -50 -40 -30 -20 -10 0 12 Load Current (Amps) 10 20t, 50µsec/div 30 40 50 Iout = 2.675A – 8.025A – 2.675A Current Slew Rate = 0.5A/µsec Outline Drawing 4.60 4.20 .20 .143 DIA. THRU 4 PLACES .20 2.40 -OUT NC .15 .27 PARALLEL NC TRIM +IN +OUT +S -S 2.00 .25 .20 .15 .56 .15 .12 .20 .28 DIA. X .19 DEEP 4 PLACES 4.30 .098 DIA. PIN 2 PLACES .040 DIA. PIN 9 PLACES .50 .20 MIN. ALUMINUM HEATSINK SURFACE RO Associates, Inc. P.O. Box 61419 Sunnyvale, CA 94088 www.roassoc.com rev 052901 email:[email protected] 800 443-1450 408 744-1450 fax: 408 744-1521