Maxi Family 24 V Input Actual size: 4.6 x 2.2 x 0.5 in 117 x 56 x 12,7 mm S (R) C US C NRTL US DC-DC Converter Module Absolute Maximum Ratings Features * * * * * * * * * * * * * DC input range: 18 - 36 V Isolated output Input surge withstand: 50 V for 100 ms DC output: 3.3 - 48 V Programmable output: 10 to 110% Regulation: 0.25% no load to full load Efficiency: Up to 88% Maximum operating temp: 100C, full load Power density: up to 80 W per cubic inch Height above board: 0.43 in. (10,9 mm) Parallelable, with N+M fault tolerance Low noise ZCS/ZVS architecture RoHS Compliant (with F or G pin option) Parameter +In to -In voltage -0.5 to +53 Rating Unit PC to -In voltage -0.5 to +7.0 Vdc PR to -In voltage -0.5 to +7.0 Vdc SC to -Out voltage -0.5 to +1.5 Vdc 1.0 Vdc -Sense to -Out voltage Vdc See Module Output Specifications +Out to -Out, +Sense to -Out Isolation voltage in to out 3000 Vrms Test voltage in to base 1500 Vrms Test voltage Test voltage Product Overview out to base These DC-DC converter modules use advanced power processing, control and packaging technologies to provide the performance, flexibility, reliability and cost effectiveness of a mature power component. High frequency ZCS/ZVS switching provides high power density with low noise and high efficiency. Notes 500 Vrms Operating Temperature -55 to +100 C Storage Temperature -65 to +125 C 500 (260) F (C) Pin soldering temperature Mounting torque 750 (390) F (C) 5 (0.57) in-lbs (N-m) M-Grade M-Grade <5 sec; wave solder <7 sec; hand solder 6 each Applications Industrial and process control, distributed power, medical, ATE, communications, defense, aerospace For details on proper operation please refer to the Design Guide & Applications Manual for Maxi, Mini, Micro Family. Part Numbering e.g. V24A12T400BL2 Output Voltage 3 V 3 = 3.3 V 5 = 5V 8 = 8V 12 = 12 V 15 = 15 V 24 = 24 V 28 = 28 V 36 = 36 V 48 = 48 V V2 4 A Product Grade Temperatures (C) Grade Operating Storage E = - 10 to +100 - 20 to +125 C = - 20 to +100 - 40 to +125 T = - 40 to +100 - 40 to +125 H = - 40 to +100 - 55 to +125 M = - 55 to +100 - 65 to +125 B Vout 3.3 V 5V 6.5 V 8V 12 V 15 V 24 V 28 V 36 V 48 V Output Power Pout 200 W, 264 W 300 W, 400 W 400 W 300 W 300 W, 400 W, 500 W 300 W, 400 W 300 W, 400 W, 500 W 300 W, 400 W, 500 W 300 W, 400 W 300 W, 400 W Maxi Family Rev 5.8 vicorpower.com Page 1 of 13 4/2013 800 735.6200 Pin Style Finish Blank: Short Tin/Lead L: Long Tin/Lead S: Short ModuMate Gold N: Long ModuMate Gold F: Short RoHS Gold G: Long RoHS Gold Baseplate Blank: Slotted 2: Threaded 3: Through-hole 24 V Input MODULE FAMILY ELECTRICAL CHARACTERISTICS Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate. mOdUle iNPUT sPeciFicaTiONs Parameter min Typ max Unit Notes Operating input voltage 18 24 36 Vdc These modules will operate at up to 75% of rated power down to 16 Vin after start up at >18 Vin 50 Vdc <100 ms 17.9 Vdc Input surge withstand Undervoltage turn-on 17.5 Undervoltage turn-off 14.8 15.3 Overvoltage turn-off/on 36.3 37.8 Vdc Disabled input current 39.6 Vdc 4.0 mA PC pin low max Unit Notes 1% Vout nom Nominal input; full load; 25C Low line to high line; full load mOdUle OUTPUT sPeciFicaTiONs Parameter min Typ Output voltage setpoint Line regulation 0.02 0.20 % Temperature regulation 0.002 0.005 % / C Power sharing accuracy 2 5 % 10 to 100% of full load 110 % Of nominal output voltage. For trimming below 90% of nominal, a minimum load of 10% of maximum rated power may be required. Programming range 10 +Out to -Out, +sense to -Out - absolute maximum Ratings 3.3 V -0.5 to 4.7 5V -0.5 to 7.0 8V -0.5 to 10.9 12 V -0.5 to 16.1 15 V -0.5 to 20.0 24 V -0.5 to 31.7 28 V -0.5 to 36.9 36 V -0.5 to 47.2 48 V -0.5 to 62.9 Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Vdc Over operating temperature range Externally applied Externally applied Externally applied Externally applied Externally applied Externally applied Externally applied Externally applied Externally applied Note: For important information relative to applications where the converter modules are subject to continuous dynamic loading, contact Vicor applications engineering at 800-927-9474. TheRmal ResisTaNce aNd caPaciTy Parameter min Baseplate to sink; flat, greased surface Typ 0.08 max Unit C/Watt Baseplate to sink; thermal pad (P/N 20263) 0.07 C/Watt Baseplate to ambient 4.9 C/Watt Baseplate to ambient; 1000 LFM 1.1 C/Watt Thermal capacity 165 Watt-sec/C Maxi Family Rev 5.8 vicorpower.com Page 2 of 13 4/2013 800 735.6200 24 V Input MODULE FAMILY ELECTRICAL CHARACTERISTICS (CONT.) mOdUle cONTROl sPeciFicaTiONs Parameter min Typ PC bias voltage current limit 5.50 1.5 5.75 2.1 6.00 3.0 Vdc mA PC current = 1.0 mA PC voltage = 5.5 V PC module disable 2.3 2.6 2.9 Vdc Switch must be able to sink 4 mA. See Fig. 2 4 7 ms 0.5 Vavg UV, OV, OT, module fault. See Figs. 3 and 5 PRimaRy side (PC = Primary Control; PR = Parallel) PC module enable delay max PC module alarm Unit Notes During normal operation PC resistance 0.9 1.0 1.1 M See Fig. 3, converter off or fault mode PR emitter amplitude 5.7 5.9 6.1 Volts PR load >30 , < 30 pF PR emitter current 150 PR receiver impedance 375 500 625 PR receiver threshold 2.4 2.5 2.6 Volts Minimum pulse width: 20 ns 12 modules Without PR buffer amplifier mA PR drive capability 25C secONdaRy side (SC = Secondary Control) SC bandgap voltage 1.21 1.23 1.25 Vdc SC resistance 990 1000 1010 SC capacitance SC module alarm mOdUle GeNeRal sPeciFicaTiONs Parameter min Referenced to -Sense 0.033 F 0 Vdc With open trim; referenced to -Sense. See Fig. 7 max Unit Notes 0.5 Vdc 0.25 V per leg (sense leads must be connected to respective, output terminals) Vrms Complies with reinforced insulation requirements Typ Remote sense (total drop) Isolation test voltage (in to out)* 3000 Isolation test voltage (in to base)* 1500 Vrms Complies with basic insulation requirements Isolation test voltage (out to base)* 500 Vrms Complies with operational insulation requirements Isolation resistance 10 M Weight (E, C, T grade) 6.5 (184.3) 7.3 (207.5) 8.1 (230.7) ounces (grams) Weight (H, M grade) 7.4 (209.3) 8.2 (232.5) 9.0 (255.7) ounces (grams) Temperature limiting 100 115 Agency approvals C in to out, in to baseplate, out to baseplate See Figs. 3 and 5. Do not operate coverter >100C. UL60950-1, EN60950-1, CSA60950-1, IEC60950-1. With appropriate fuse in series with the +Input cURus, cTUVus, CE * Isolation test voltage, 1 minute or less. Note: Specifications are subject to change without notice. Maxi Family Rev 5.8 vicorpower.com Page 3 of 13 4/2013 800 735.6200 24 V Input mOdUle sPeciFic OPeRaTiNG sPeciFicaTiONs 3.3 Vout, 264 W (e.g. V24a3V3c264Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 75.5 4.14 0 81.6 56 3.3 Vout, 200 W (e.g. V24a3V3c200Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 73.9 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 80.0 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 82.5 5 Vout, 400 W (e.g. V24a5c400Bl) 5 Vout, 300 W (e.g. V24a5c300Bl) 4.48 0 61.8 42.4 6.03 0 81.6 56 6.03 0 61.2 42 6.5 Vout, 400 W (e.g. V24a6V5c400Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Output Current Current limit Short circuit current min 85.0 7.7 0 62.7 43 Typ 78.5 75 4.3 8 0.02 92 92 Typ 79.9 43 4.65 6.2 0.02 69.7 69.7 Typ 84.5 152 6.25 6.8 0.02 92 92 Typ 84.4 120 6.25 7.2 0.02 69 69 Typ 86.1 100 7.98 9.2 0.02 70.7 70.7 max 94 4.46 12 0.2 80 108 108 max 54 4.82 10 0.2 60.6 81.9 81.9 max 190 6.47 10.1 0.25 80 104 104 max 150 6.47 8.8 0.2 60 81 81 max 125 8.26 10.5 0.2 61.5 83.1 83.1 Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV Maxi Family Rev 5.8 vicorpower.com Page 4 of 13 4/2013 800 735.6200 24 V Input mOdUle sPeciFic OPeRaTiNG sPeciFicaTiONs (cONT.) 8 Vout, 300 W (e.g. V24a8c300Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 85.6 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 85.8 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 85.0 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 86.0 12 Vout, 500 W (e.g. V24a12c500Bl) 12 Vout, 400 W (e.g. V24a12c400Bl) 12 Vout, 300 W (e.g. V24a12c300Bl) 15 Vout, 400 W (e.g. V24a15c400Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current 9.36 0 38.2 26.2 13.8 0 42.5 29.2 13.7 0 34 23.3 13.7 0 25.5 17.5 min 86.1 17.1 0 27.2 18.6 Typ 86.5 215 9.7 8.7 0.02 43.1 43.1 Typ 87.2 272 14.3 10.8 0.02 47.9 47.9 Typ 86.8 250 14.3 6.8 0.02 38.4 38.4 Typ 87.0 196 14.3 6.9 0.02 28.8 28.8 Typ 87.5 60 17.8 6.3 0.02 30.7 30.7 max 269 10.1 13.9 0.2 37.5 50.7 50.7 max 340 14.8 12.0 0.2 41.67 56.3 56.3 max 320 14.9 10.2 0.2 33.33 43.5 43.5 max 245 14.9 8.6 0.2 25 33.8 33.8 max 75 18.5 9.4 0.2 26.67 34.8 37.9 Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage < 250mV Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV Maxi Family Rev 5.8 vicorpower.com Page 5 of 13 4/2013 800 735.6200 24 V Input mOdUle sPeciFic OPeRaTiNG sPeciFicaTiONs 15 Vout, 300 W (e.g. V24a15c300Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 85.0 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 87.3 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 86.7 24 Vout, 500 W (e.g. V24a24c500Bl) 24 Vout, 400 W (e.g. V24a24c400Bl) 24 Vout, 300 W (e.g. V24a24c300Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current 28 Vout, 500 W (e.g. V24a28c500Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current 17.1 0 20.4 14 27.1 0 21.3 14.6 27.1 0 17 2.25 min 86.8 27.1 0 12.7 8.75 min 86.0 31.5 0 18.3 12.5 Typ 86.2 160 17.8 8.1 0.02 23 23 Typ 88.3 172 28.1 11.9 0.02 24.0 24.0 Typ 88.2 80 28.1 11 0.02 19.2 19.2 Typ 88.2 85 28.1 7.8 0.02 14.4 14.4 Typ 88.0 172 32.7 13.5 0.02 20.6 20.6 max 200 18.5 10 0.2 20 27 27 max 215 29.1 19.1 0.2 20.83 28.1 28.1 max 100 29.1 12 0.2 16.67 23.4 23.4 max 107 29.1 10 0.2 12.5 16.9 16.9 max 215 33.9 14.8 0.2 17.9 24.2 24.2 Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Unit % mV Volts Watts % Amps Amps Amps Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV Maxi Family Rev 5.8 vicorpower.com Page 6 of 13 4/2013 800 735.6200 24 V Input mOdUle sPeciFic OPeRaTiNG sPeciFicaTiONs (cONT.) 28 Vout, 400 W (e.g. V24a28c400Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 86.0 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 87.0 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 86.0 Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 87.0 28 Vout, 300 W (e.g. V24a28c300Bl) 36 Vout, 400 W (e.g. V24a36c400Bl) 36 Vout, 300 W (e.g. V24a36c300Bl) 48 Vout, 400 W (e.g. V24a48c400Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current 31.5 0 14.5 10 31.5 0 10.9 3 40.4 0 11.3 7.77 40.4 0 8.49 5.83 min 84.7 53.8 0 8.49 4.79 Typ 87.8 172 32.7 6.3 0.02 16.4 16.4 Typ 88.0 100 32.7 7.1 0.02 12.3 12.3 Typ 88.0 120 41.9 10 0.02 12.8 12.8 Typ 88.3 80 41.9 9.8 0.02 9.58 9.58 Typ 86.7 160 55.8 11.8 0.02 9.58 9.58 max 215 33.9 9.5 0.2 14.29 19.4 19.4 max 125 33.9 9.3 0.2 10.71 14.5 14.5 max 150 43.4 13 0.2 11.11 15 15 max 100 43.4 12 0.2 8.33 11.3 11.3 max 200 57.8 12.7 0.2 8.33 11.3 11.3 Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Unit % mV Volts Watts % Amps Amps Amps Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Output voltage 95% of nominal Output voltage <250 mV Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV Maxi Family Rev 5.8 vicorpower.com Page 7 of 13 4/2013 800 735.6200 24 V Input mOdUle sPeciFic OPeRaTiNG sPeciFicaTiONs 48 Vout, 300 W (e.g. V24a48c300Bl) Parameter Efficiency Ripple and noise Output OVP setpoint Dissipation, standby Load regulation Load current Current limit Short circuit current min 86.0 53.7 0 6.37 4.37 Typ 87.1 180 55.7 7.7 0.02 max 225 57.7 10 0.2 6.25 8.44 8.44 7.19 7.19 Unit % mV Volts Watts % Amps Amps Amps Notes Nominal input; full load; 25C p-p; Nominal input; full load; 20 MHz bandwidth 25C; recycle input voltage or PC to restart (>100 ms off) No load No load to full load; nominal input Output voltage 95% of nominal Output voltage <250 mV BASIC MODULE OPERATION C2* 4.7nF C4* 4.7nF +IN F1* +OUT +S PC SC C1* 0.2F PR -S -OUT -IN C3* 4.7nF C5* 4.7nF For C1 - C5, keep leads and connections short. Figure 1 -- Basic module operation requires fusing, grounding, bypassing capacitors. * See Maxi, Mini, Micro Design Guide. Comprehensive Online Application Information The Design Guide and Applications Manual includes: * Application circuits * Design requirements * EMC considerations * Current sharing in power arrays * Thermal performance information * Recommended soldering methods * Accessory modules - filtering, rectification, front-ends * Mounting options ...and more. clicK heRe TO VieW desiGN GUide Also at vicorpower.com * PowerBench online configurators * Over 20 Application Notes * Online calculators - thermal, trimming, hold-up * PDF data sheets for ALL Vicor products Maxi Family Rev 5.8 vicorpower.com Page 8 of 13 4/2013 800 735.6200 24 V Input PRIMARY CONTROL - PC PIN Module Enable/Disable Module Alarm The module may be disabled by pulling PC below 2.3 V with respect to the -Input. This may be done with an open collector transistor, relay, or optocoupler. Multiple converters may be disabled with a single transistor or relay either directly or via "OR'ing" diodes. See Figure 2. The module contains "watchdog" circuitry which monitors input voltage, operating temperature and internal operating parameters. In the event that any of these parameters are outside of their allowable operating range, the module will shut down and PC will go low. PC will periodically go high and the module will check to see if the fault (as an example, overtemperature) has cleared. If the fault has not been cleared, PC will go low again and the cycle will restart. The SC pin will go low in the event of a fault and return to its normal state after the fault has been cleared. See Figures 3 and 5. Primary Auxiliary Supply At 5.7 V, PC can source up to 1.5 mA. In the example shown in Figure 4, PC powers a module enabled LED. +IN +IN SW1 Input Undervoltage Input Overvoltage (See Note 1) Overtemperature Module Faults PC PC 1M PR SW1, 2, & 3 shown in "Fault" position SW2 SW3 +S SC 1K -S 5.7 Vdc (0-3 mA) -IN +OUT 50 2-20 ms typ. f (VIN) PR Disable Auto Restart 1.23 Vdc -IN 6K - OUT 1 Not applicable for 300 Vdc input family Disable = PC <2.3 V Figure 2 -- Module enable/disable. Figure 3 -- PC/SC module alarm logic. +IN Fault PC "Module Enabled" PC 40 s typ. 5.7 V 4 k PR SC -IN 2-20 ms typ. Figure 5 -- PC/SC module alarm timing. Figure 4 -- LED on-state indicator. Optocoupler 1.23 V +IN +OUT PC +S Comparator SC 4 k PR -S -IN -OUT Figure 6 -- Isolated on-state indicator. Alarm 1.00V Figure 7 -- Secondary side on-state indicator. Maxi Family Rev 5.8 vicorpower.com Page 9 of 13 4/2013 800 735.6200 24 V Input SECONDARY CONTROL - SC PIN PARALLEL BUS - PR PIN Output Voltage Programming Parallel Operation The output voltage of the converter can be adjusted or programmed via fixed resistors, potentiometers or voltage DACs. See Figure 8. The PR pin supports paralleling for increased power with N+1 (N+M) redundancy. Modules of the same input voltage, output voltage, and power level will current share if all PR pins are suitably interfaced. Compatible interface architectures include the following: +OUT AC coupled single-wire interface. All PR pins are connected to a single communication bus through 0.001 F (500 V) capacitors. This interface supports current sharing and is fault tolerant except for the communication bus. Up to three converters may be paralleled by this method. See Figure 9. +S Error Amplifier Ru Trim Up - SC + Load 1 k + 0.033 uF Rd Trim Down 1.23 V -S 100 typ. Transformer coupled interface. For paralleling four or more converters a transformer coupled interface is required. See Figure 10. For details on parallel operation please refer to the -OUT Design Guide & Applications Manual for Maxi, Mini, Micro Family. Rd (ohms) = 1,000 Vout Vnom - Vout 4.7 nF + +IN 0.2 F RU (ohms) = 1,000 (Vout -1.23) Vnom - 1,000 1.23 (Vout - Vnom) Figure 8 -- Output voltage trim down and trim up circuit. 0.001 F Z1* - Low inductance ground plane or bus Trim Down 1. This converter is not a constant power device - it has a constant current limit. Hence, available output power is reduced by the same percentage that output voltage is trimmed down. Do not exceed maximum rated output current. 2. The trim down resistor must be connected between the SC and -S pins. Do not bypass the SC pin directly with a capacitor. Trim Up 1. The converter is rated for a maximum delivered power. To ensure that maximum rated power is not exceeded, reduce maximum output current by the same percentage increase in output voltage. Module 1 -IN 4.7 nF +IN 0.001 F Z1* PC PR Module 2 -IN Parallel Bus 4.7 nF Figure 9 -- AC coupled single-wire interface. * See Maxi, Mini, Micro Design Guide. 4.7 nF + +IN 0.2 F T1 Z1* PC PR Module 1 -IN - 4.7 nF 4.7 nF +IN 0.2 F T2 Trim resistor values calculated automatically: On-line calculators for trim resistor values are available on the vicor website at: asp.vicorpower.com/calculators/calculators.asp?calc=1 Resistor values can be calculated for fixed trim up, fixed trim down and for variable trim up or down. PR 4.7 nF 0.2 F 2. The trim up resistor must be connected between the SC and +S pins. Do not bypass the SC pin directly with a capacitor. 3. Do not trim the converter above maximum trim range (typically +10%) or the output over voltage protection circuitry may be activated. PC Z1* PC PR Module 2 -IN Parallel Bus 4.7 nF Figure 10 -- Transformer-coupled interface. Maxi Family Rev 5.8 vicorpower.com Page 10 of 13 4/2013 800 735.6200 24 V Input PARALLEL BUS OUTPUT +OUT * +S SC -S The +Out and -Out power buses should be designed to minimize and balance parasitic impedance from each module output to the load. * The +Sense pins must be tied together to form a +Sense bus. This must be Kelvin connected to +Out at a single point. The -Sense pins should be tied together to form a -Sense bus. This must be Kelvin connected to -Out at a single point. * At the discretion of the power system designer, a subset of all modules within an array may be configured as slaves by connecting SC to -S. * OR'ing diodes may be inserted in series with the +Out pins of each module to provide module output fault tolerance. * The +Sense and -Sense leads should be routed in close proximity to each other on the printed circuit board. If wires are used to connect the converters on a PCB to an external load, the Sense leads should be twisted together to reduce noise pickup. Module 1 -OUT +S +OUT +S SC -S Module 2 Load -OUT -S +OUT Module N+1 +S SC -S -OUT Figure 11 -- N+1 module array output connections. PiN sTyles* designator description Finish Notes (None) Short Tin/Lead Requires in-board, mounting L Long Tin/Lead On-board mounting for 0.065" boards S Short ModuMate Gold SurfMate or in-board socket mounting N Long ModuMate Gold On-board socket mounting F Short RoHS Gold Select for RoHS compliant in-board solder, socket, or SurfMate mounting G Long RoHS Gold Select for RoHS compliant on-board solder or socket mounting * Pin style designator follows the "B" after the output power and precedes the baseplate designator. Ex. V48A12T500BN2 -- Long ModuMate Pins Maxi Family Rev 5.8 vicorpower.com Page 11 of 13 4/2013 800 735.6200 24 V Input MECHANICAL DRAWINGS No. 1 converter Pins Function Label +In + 2 Primary Control PC 3 Parallel PR 4 -In - 5 -Out - 6 -Sense -S 7 Secondary Control SC 8 +Sense +S 9 +Out + Figure 12 -- Module outline PCB THICKNESS R 0.062 0.010 1,57 0,25 PLATED THRU HOLE DIA 1.790** 45,47 0.06 (4X) 1,5 INBOARD SOLDER MOUNT ONBOARD SOLDER MOUNT SHORT PIN STYLE LONG PIN STYLE (7X) 0.094 0.003 2,39 0,08 0.094 0.003 2,39 0,08 (2X) 0.194 0.003 4,93 0,08 0.194 0.003 4,93 0,08 ALL MARKINGS THIS SURFACE 0.178 4,52 1 2 3 4 ALUMINUM BASEPLATE 4.200* 106,68 3.844** 97,64 9 8 7 6 PINS STYLES SOLDER:TIN/LEAD PLATED MODUMATE: GOLD PLATED COPPER RoHS: GOLD PLATED COPPER FOR SOLDERING METHODS AND PROCEDURES PLEASE REFER TO THE MAXI, MINI, MICRO DESIGN GUIDE. 5 0.400* 10,16 0.195 4,95 0.700* 17,78 1.000* 25,40 1.400* 35,56 0.45 11,5 * DENOTES TOL = Unless otherwise specified, dimensions are in inches mm 0.53 13,5 decimals 0.003 0,08 0.XX **PCB WINDOW Tol. 0,25 0.XXX 0.005 0,127 Figure 13 -- PCB mounting specifications Maxi Family Rev 5.8 vicorpower.com Page 12 of 13 4/2013 800 735.6200 angles 0.01 1 24 V Input Vicor's comprehensive line of power solutions includes high density AC-DC and DC-DC modules and accessory components, fully configurable AC-DC and DC-DC power supplies, and complete custom power systems. Information furnished by Vicor is believed to be accurate and reliable. However, no responsibility is assumed by Vicor for its use. Vicor makes no representations or warranties with respect to the accuracy or completeness of the contents of this publication. Vicor reserves the right to make changes to any products, specifications, and product descriptions at any time without notice. Information published by Vicor has been checked and is believed to be accurate at the time it was printed; however, Vicor assumes no responsibility for inaccuracies. Testing and other quality controls are used to the extent Vicor deems necessary to support Vicor's product warranty. Except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. Specifications are subject to change without notice. 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The buyer will pay all charges incurred in returning the product to the factory. Vicor will pay all reshipment charges if the product was defective within the terms of this warranty. Life Support Policy VICOR'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS PRIOR WRITTEN APPROVAL OF THE CHIEF EXECUTIVE OFFICER AND GENERAL COUNSEL OF VICOR CORPORATION. As used herein, life support devices or systems are devices which (a) are intended for surgical implant into the body, or (b) support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness. Per Vicor Terms and Conditions of Sale, the user of Vicor products and components in life support applications assumes all risks of such use and indemnifies Vicor against all liability and damages. Intellectual Property Notice Vicor and its subsidiaries own Intellectual Property (including issued U.S. and Foreign Patents and pending patent applications) relating to the products described in this data sheet. No license, whether express, implied, or arising by estoppel or otherwise, to any intellectual property rights is granted by this document. Interested parties should contact Vicor's Intellectual Property Department. Vicor Corporation 25 Frontage Road Andover, MA, USA 01810 Tel: 800-735-6200 Fax: 978-475-6715 email Customer Service: custserv@vicorpower.com Technical Support: apps@vicorpower.com Maxi Family Rev 5.8 vicorpower.com Page 13 of 13 4/2013 800 735.6200