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PM700 SERIES
Single and dual output
Recommended for new design-ins
* * * * * *
62% typical efficiency Low output ripple and noise Pi input filter No derating Short circuit protection Meets VDE 0871 level B
This series of general purpose DC/DC converters from Computer Products includes three single output and four dual output models. The PM700 series provides excellent voltage regulation and isolation with low ripple and noise at three Watts output power. These compact modules contain pi input filters to minimise reflected ripple current. Other important specifications include: a minimum efficiency of 61%; line regulation of 0.02%; load regulation of 0.04%; low ripple and noise 10mV pk-pk; 500VDC isolation; and an output voltage accuracy of 1.0%.
[ 2 YEAR WARRANTY ]
SPECIFICATION
OUTPUT SPECIFICATIONS Voltage accuracy Voltage balance Line regulation Load regulation Ripple and noise 20 MHz BW
All specifications are typical at nominal input, full load at 25C unless otherwise stated ELECTROMAGNETIC COMPATIBILITY SPECIFICATIONS 1.0%, max. Conducted noise EN55022, EN55011 VDE0871 Level B
Dual output Full range NL to FL Single output Dual output
0.5%, max. 0.02% 0.04%
GENERAL SPECIFICATIONS Efficiency Isolation voltage FL and nominal input FL and nominal input 61%, min. 62%, typical 500VDC, min. 20kHz, min. Non-conductive black plastic 57g (2oz.) 680,000 Hours
10 mV typical, 50mV max. 6 mV typical, 35mV max. 200mV peak dev., 10s recovery 300mV peak dev., 200s recovery 20s recovery 0.02%/C, max. Automatic restart, 8 hours max.
Switching frequency Case material Weight MTBF ENVIRONMENTAL SPECIFICATIONS Thermal performance
Transient response
NL-FL, All outputs FL-NL, Singles FL-NL, Duals
Temperature coefficient Short circuit protection INPUT SPECIFICATIONS Input voltage range Input filter See Note 3
Operating ambient -25C to +71C Non-operating amb. -40C to +125C Case +95C max Derating None Cooling Free air convection Non-condensing Operating Non operating 20% to 80% RH 10,000 feet max. 40,000 feet max. 2.5G rms (approx.) 5Hz to 500Hz
See table on facing page Pi network
Relative humidity Altitude Vibration
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DC/DC CONVERTERS
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3W DC
3 Watt Nominal input DC/DC converters
INPUT VOLTAGE 5VDC 5VDC 12VDC 12VDC 24VDC 24VDC 24VDC OUTPUT VOLTAGE 5VDC 15VDC 5VDC 15VDC 5VDC 12VDC 15VDC OUTPUT CURRENT 600mA 100mA 600mA 100mA 600mA 125mA 100mA INPUT CURRENT NO LOAD 125mA 135mA 50mA 55mA 25mA 25mA 30mA REFLECTED REGULATION LINE 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% 0.02% LOAD 0.04% 0.02% 0.04% 0.02% 0.04% 0.02% 0.02% MODEL NUMBER PM701 PM752 PM711 PM762 PM721 PM771 PM772 FULL LOAD RIPPLE CURRENT (1) 935mA 955mA 364mA 376mA 163mA 170mA 168mA 32mA pk-pk 33mA pk-pk 24mA pk-pk 24mA pk-pk 22mA pk-pk 23mA pk-pk 22mA pk-pk
Notes
1 2 Figures are peak to peak. Standard specifications are conservative and can be optimised for specific applications. In particular, converter start-up at lower than specified temperature, wider input voltage range and output voltage adjustment are all relatively simple modifications to the standard product. Consult factory for details. Fixed frequency design provides for easier input filtering and better noise performance.
INPUT VOLTAGE 5V 12V 24V
60% FL 4.4 to 6.5V 10.56 to 15.6V 21.12 to 31.2V
80% FL 4.5 to 6.0V 10.8 to 14.4V 21.6 to 28.8V
100%FL 4.65 to 5.5V 11.16 to 13.2V 22.32 to 26.4V
3
Standard Pin Configuration
2.00 (50.8) 0.80 (20.3) 0.60 (15.2) 0.22 (5.6) MIN. 0.40 (10.2) MAX
0.90 (22.9) + OUT 2.00 (50.8) 0.20 (5.1) + IN - IN - OUT BOTTOM VIEW NO PIN* COM 0.40 (10.2)
0.60 (15.2)
0.40 (10.2)
0.04 (1.0) DIA
ALL DIMENSIONS IN INCHES (mm) * NO PIN ON SINGLE MODELS
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