520 WATT DC-DC CONVERTER MODEL MV380-26 DATA SHEET Distributed Power in Telecom, Industrial Control, Wireless, & Computer Applications INPUT: 380VDC • OUTPUT: 26VDC @ 20.0A • 520 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 MV380-26 is designed for use with a PFC front end and provides up to 520 Watts of low noise, 26Vdc power from a universal ac line. MODEL SELECTION FEATURES • High Efficiency: 88% • -40 to +100°C Operation • Constant Frequency • Trim Range: 18V to 30V • Non-Shutdown Over Voltage Protection • Remote Sense • High Power Density: 94 W/cu. in. • Low Noise • Encapsulated • Parallelable with Current Sharing for n+m Redundancy • 105°C Over Temperature Protection • Safety Agency Compliant Astrodyne Corporation PH: 800-823-8082 Model Input Number Voltage MV380-26 Output Voltage Current (Vdc) (Vdc) (A) 360-400 26 20.0 Application Notes and Evaluation Boards are Available FX: 508-339-0375 www.astrodyne.com Output Email: [email protected] www.roassoc.com MEGAVERTER® DC-DC Converter MV380-26 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 g (oz.) Inches °C/W See Outline Drawing Case Temperature = 100 °C MAX UNITS CONDITIONS ±5 30 0.5 36 %F.L. Vdc Vdc Vdc 10 to 100% Full Load (F.L.) **200mA min. load for Vdc<20V +110 °C msec Case Temperature F.L., Vout within 1% of Steady State 30 +105 600 Vdc Vdc Vdc pF Case Floating M Ohms CONDITIONS 18** +100 CONDITIONS UNITS 230 (7.4) 0.5 x 2.4 x 4.6 3.3 FEATURE PARAMETERS UNITS 25 °C Case Enable * Logic Off Threshold 0.8 V Vout = 0 Enable Current (Logic Off) 1.0 mA @Venable = 0 V Logic On Threshold 2.4 V Turn-On Time 2.0 msec F.L., Vout within 1% of Steady State * An open collector connection or equivalent is recommended for on/off control. TRIM CIRCUIT CONFIGURATIONS +Out +Out +Sense +Sense Trim Rtrim-up Load Trim -Sense -Sense -Out -Out Trim Up Astrodyne Corporation TRIM RESISTOR CALCULATIONS Rtrim−up = Rtrim-down Load 308.0 − 15.78 × ∆Vo kohms ∆Vo ∆Vo = Desired Output Voltage Change (Volts) R trim−up = External Resistor Value to Increase Vo Trim Down PH: 800-823-8082 Rtrim−down = 32.76 − 2.67 × ∆Vo kohms ∆Vo R trim−down = External Resistor Value to Decrease Vo FX: 508-339-0375 www.astrodyne.com Email: [email protected] www.roassoc.com MEGAVERTER® DC-DC Converter MV380-26 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 25.75 26 26.25 Vdc 0.3 0.02 0.6 0.1 % % 0 A to Full Load Over Vin Range 0.02 2 20.0 520 130 %/°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 5 % Vout 100 µsec 88 % External Load Capacitance 0 Astrodyne Corporation PH: 800-823-8082 3,300 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 FX: 508-339-0375 www.astrodyne.com CONDITIONS Email: [email protected] www.roassoc.com MEGAVERTER® DC-DC Converter MV380-26 Efficiency Transient Response 95 30 Vin = 380V 20 85 10 80 0 1V/div. Efficiency (%) 90 75 -10 70 -20 65 -30 0 5 10 15 -50 -40 -30 -20 -10 0 20 Load Current (Amps) t, 50µsec/div 10 20 30 40 50 Iout = 5A – 15A – 5A Current Slew Rate = 0.5A/µsec Outline Drawing .20 4.60 4.20 .143 DIA. THRU 4 PLACES .20 2.40 .15 NC .27 .56 -OUT PARALLEL +OUT +S -S NC TRIM +IN .15 .12 .25 2.00 .20 .15 .28 DIA. X .19 DEEP 4 PLACES .20 4.30 .098 DIA. PIN 2 PLACES .040 DIA. PIN 9 PLACES .50 .20 MIN. ALUMINUM HEATSINK SURFACE Astrodyne Corporation 35 Hampden Rd Mansfield, MA 02048 PH: 800-823-8082 FX: 508-339-0375 www.astrodyne.com Email: [email protected] www.roassoc.com