MW75S single-output AC/DC power supply Power factor corrected Vin, 2 28Vout, 75 watts. I - M3 inserts. Max

Transcription

1 MW7S single-output AC/DC power supply Power factor corrected 9 26Vin, 2 28Vout, 7 watts HOW TO ORDER MW 7 - S M / 28 - I Series Total Output Power(W) Single Output Unscreened (I) or Screened(M) INPUT CHARACTERISTICS (Single Phase) Input Frequency Range DC Inrush Vrms Power Output Power Vin / 6Hz Vin / 4Hz 23Vin / Hz Efficiency at 28Vout, Vin / 6Hz 28Vout, Vin / 4Hz 28Vout, 23Vin / Hz Vout, Vin / 6Hz Vout, Vin / 4Hz Vout, 23Vin / Hz No Load Input Current No Load Input Power Input Power, Output Disabled Input Undervoltage Shutdown Input Undervoltage Hystersis FEATURES I - M3 inserts Hz A A Arms W W Meets Harmonic Requirements of MIL - STD Meets CE and CE2 of MIL - STD - 46 (No external filter required) Meets MIL standards: MIL - STD - 74E and MIL - STD - 8 Non-latching Over Temperature Protection Latching Output Overvoltage Protection Isolated Input AC Good Signal Isolated Output DC Good Signal Isolated 3 VDC Standby Output Fully rated 7 Watts of output power from 9 VAC to 26 VAC and up to C baseplate temperature Utilizes non isolated boost topology followed by isolated DC-DC converter Environmental Screening available Fixed frequency PFC and DC-DC converters synchronized at 24/48 khz or to a - khz external clock 38 VDC PFC High Voltage Bus is accessible at the input connector for external holdup capacitor SELECTION CHART Nominal (Volts) Output Current (Amps) Model Number (Unscreened) MW7SI/2 MW7SI/3.3 MW7SI/ MW7SI/2 MW7SI/ MW7SI/24 MW7SI/28 Model Number (Screened) MW7SM/2 MW7SM/3.3 MW7SM/ MW7SM/2 MW7SM/ MW7SM/24 MW7SM/28 All specifications are C with nominal input voltage under full output load conditions, unless otherwise noted. Specifications subject to change without notice. For additional information, call or Orders-EP@eaton.com

2 PFC HIGH VOLTAGE BUS CHARACTERISTICS OUTPUT CHARACTERISTICS Nominal / Voltage Internal Holdup Capacitance External Holdup Capacitance (customer supplied) Output Holdup Voltage Output Holdup Time 37 2 Logic Disable Current Logic Disable Voltage Sync 4. Sync Input Frequency Sync Input Duty (High) Sync Status OK 4.4 Status 2mA Threshold 88 AC Bad Response Time Output OK Threshold ± Turn-on Overshoot Standby 3V 2 Standby 3V Load mv or 3 Vout, whichever is greater ±7 39 CONTROLS INTERFACE CHARACTERISTICS Referenced to floating Signal Ground TEMPERATURE CHARACTERISTICS Operating Storage - Ambient Over Temperature Shutdown ±9 μf μf μa V Vp-p khz Vp-p V Vout mv V ma Set Point Accuracy Load Regulation Line Regulation Ripple P-P ( MHz) Overvoltage Protection 2 - Vout 2-28 Vout Transient Response Time - Overshoot 2-8 Load (@Nom.Line) - 8 per MIL-STD-74A 2-24 per MIL-STD-74A per MIL-STD , Hz 24-3 per MIL-STD-74E - Load (@Nom.Line) Temperature Drift Long Term Drift Current Limit Short Circuit Current 2 Load Capacitance Remote Sense Compensation Trim Range 9 Turn On Time Logic Turn On Time Start-up guaranteed to - o C 2 Measured at baseplate (center line of output connector x center line of baseplate) o C o C o C /. 6 2/.7 2/ 2/ /. 2 2/.2 3 / 4 /2 6 /2 6 /2 6 /2 6 /2 6 /2 6 / / 8 3 or maximum, whichever is greater 2 whichever is greater from No Load to with line constant 3 whichever is greater from Low Line to High Line at 4 whichever is greater measured at MHz Bandwidth or.7v maximum, whichever is greater 6 or maximum, whichever is greater 7 or 3X Co, whichever is greater 8 lesser of of Vout or.v ISOLATION CHARACTERISTICS Isolation Input to Case Input to Output Input to Signal Ground Output to Case Signal Ground to Output to Case Insulation 2 2 mv mv/ mv/ mv/ /Vout /Vout / o C /KHrs /Iout /Iout μf / /Vout Mohm All specifications are C with nominal input voltage under full output load conditions, unless otherwise noted. Specifications subject to change without notice. 2

3 M-GRADE - ENVIRONMENTAL SCREENING MECHANICAL CHARACTERISTICS Stabilization Bake Temperature Cycling Burn in Final Testing o C, GB Burn in Final Testing o C, GB + o C for 24 hours similar to MIL-STD- 883, M8.2, Condition B cycles at - o C to + o C (transition period o C/ min) similar to MIL-STD-883, M, Condition B Hours at 8 o C min. Full ATP 44,83 Hours I-GRADE - ENVIRONMENTAL SCREENING CASE DRAWING 3.44/ / TOP VIEW.378 / o C min. Full ATP 7,33 INPUT CONNECTOR J PIN NO. FUNCTION, 9 AC 3, AC2 8, CHAS GND 3 EXT. CAP (+) EXT. CAP (-) 2, 4, 6, 7,, 2, 4 NOT USED INPUT: J.47.47/ 2.2/ OUTPUT CONNECTOR J2 PIN NO. FUNCTION 2, 3, 4,, 6, 7 -OUTPUT, 6, 7, 8, 9, 2 +OUTPUT 22 OUT OK 2 3V STBY ma 23 SIGNAL GND +SENSE 4 -SENSE 24 3 SYNC 2 TRIM OUTPUT: J2 Weight Size Volume Material Case Baseplate Finish Case Baseplate Mounting Standard Option - I BOTTOM VIEW 4. (max) 4 (max) 3.44 x.6 x x 3. x Steel Aluminum Alloy Nickel Plated Aluminum baseplate 4-4 THD Threaded Metrics M3X. oz. grams inch mm inch 3 cm 3.2.2/..2/..2 4 PLACES 2./ / / 3..38/ / Tolerances: inches - x.xx x.xxx = ±.3 = ±. mm - x.x x.xx = ±.8 = ±.4 All specifications are C with nominal input voltage under full output load conditions, unless otherwise noted. Specifications subject to change without notice. >> 4 3

4 PERFORMANCE CHARACTERISTICS Power Factor Efficiency Efficiency vs. Output Power Output Power (watts) mv/div. Power Factor vs. 4 Hz (rms) 6 Hz Power Factor V/div A/div 2. Power Factor vs. Output Power Output Power (watts). AC & Current Time: /div 3. Efficiency vs.. Line Transient ( Hz), no response at output 6Hz Hz 23 4Hz Input Voltage 7. Load Transient Response (Vout) 8. Line Transient (6 Hz), no response at output Time: 4μS/div At 7 W Load V 28V 2 to 8 of Hz Vin = /6Hz V /div V/div V/div Input Current Low Line to High Line 92 V - 38, 6Hz, FL Time: 2 /div 38V Bus Voltage Output (V). Inrush Current vs. Intermediate Bus Efficiency mv/div V /div V/div V/div 28V (rms) 6. Output Ripple (Vout) Time: 2μS/div 9. Line Transient (4 Hz), no response at output 2. Turn-on & Input Current vs. V Time: 2 /div Low Line to High Line V - 8, 4Hz, FL 38V Bus Voltage Output (V) V /div V/div 2 V/div Low Line to High Line 6 V- 26, Hz, FL 38V Bus Voltage Output (V) V/div A/div 38V Bus Voltage Input Current V /div 2. A/div V/div Input Current Output (V) Time: 2 /div Time: /div Time: 4 /div >> 4

5 PERFORMANCE CHARACTERISTICS V/div 2. A/div 2V/div 2 V/div V/div V/div dbμa 3. Turn-on & Input Current vs. Input Current Vin = 23 /Hz, FL Time: 4 /div 6. Turn-Off vs. Output Voltage Time: /div 9. Free-running Sync Output V/div V/div 7. Turn-Off vs. Time: 4 /div 8. Turn-On vs. Time: 2 /div Time: us/div No Load 22. MIL-STD-46D CE-4 Output (V) V/div V/div V/div db 4. Turn-On.3... MHz - Output OK Time: /div 2. Output Converter Voltage Loop Gain & Phase (Vout) GAIN dbμv PHASE Hz Hz khz khz khz mhz o - o V/div V/div V/div V/div V/div db. Turn-Off Output OK 23. MIL-STD-46D CE2- Time: /div 2. Output Converter Voltage Loop Gain & Phase (28Vout) - GAIN PHASE Hz Hz khz khz khz mhz.. MHz o - o >> 6

6 BLOCK DIAGRAM OF MW7S INPUT CONNECTOR AC } AC 2 CHASSIS ISOLATED HOUSEKEEPING SUPPLY AC A EMI FILTER AC B INPUT UNDERVOLTAGE LOCKOUT & INDICATION VCC BOOST RTN VCC 2 RTN 2 VCC VDC SIGNAL GND COMMON EXT. CAP. + MODE INPUT BEAD CONNECTOR BRIDGE EXT. CAP. - RECTIFIER VDC + ISOLATED BOOST TWO CONVERTER TRAMSISTOR RS BOOST RTN VDC RTN FORWARD - SOFT START LIMITER VCC 2A GATE DRIVE 3 V 8 V PFC BOOST CONTROLS ENA SCR GATE 38V PFC HIGH VOLTAGE BUS DC OK CIRCUIT POWER UP TIME DELAY +38 VDC SYNC BOOST OVERVOLTAGE DISABLE CS CS 2 GATE DRIVE PHASE SHIFT CONTROLS SYNC 2 SDN VCC 2A RTN 2 VCC 2A AVERAGE CURRENT } SYNC 2 SYNC FILTER S+ S- SDN DC OK RTN 2 VCC 2 FOR OUTPUTS >= 2V ACTIVE PRELOAD C3 + C3 - POST FILTER XMFR BI- XMFR DIRECTIONAL VCC3 SYNC SIGNAL GND CIRCUIT SYNC +SENSE +OUT - OUT - SENSE TRIM OUTPUT SHUTDOWN LOGIC FOR: DC OK,, OUTPUT OVER VOLTAGE, OVER TEMPERATURE, & OUTPUT OK INDICATION OUTPUT OK SYNC SIGNAL GND } OUTPUT CONNECTOR CONNECTOR} OUPUT 6

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