series kr dc to dc converters single and dual output wide input range up to 3.33:1 isolated regulated up to 20 watt dc to dc converter s full regulated all units shielded this series of high efficiency, wide input range, e ncapsulated regulators come in 51 different models. these units feature a 500 volt dc input to output isolation in both single and dual o utput models. the kr series will operate over a tem perature range of -25o c to +70o c with no heat sink or electrical derating. these uni ts are excellent for applications where input volta ge varies dramatically, yet a high efficiency and output voltage regulation must be ma intained. features single and dual isolated outputs voltage regulation over input range of encapsulated semiconductors, conservatively rated f or maximum reliability. load regulation (see table for typical variation at different loads) line regulation = typical values unit low high kra 18v 36v krb 36v 60v krc 18v 60v typical characteristics: test conditions: 25o c ambient operating temperature: -25o c to +70o c ambient output voltage tolerance: 2.5% at typcial input voltage output voltage temperature coefficient: 0.02% / o c storage temperature: -55o c to +125o c short circuit protection: temporary operating frequency: 40khtz, typical options available selected mil-std 883 expanded operating temp. (-55o c to +85o c) page 1 of 6 series kr - isolated regulated 20 watt dc - dc converters 12/18/2007 http://www.picoelectronics.com/dcdclow/pe92_93.htm? partno=krb5.2as
18-36v dc = 1.5% 36-60v dc = 1.5% 18-60v dc = 3.0% high efficiency - up to 83% will operate over a temperature range of -25o c to +70o c with no heat sink or electrical derating 6 sided shielding isolation - 100 megohms at 500 volts dc external output trimming pin standard +5% each unit is supplied with an external control pin. this "c" pin, when connected to the negative (-) input, will disa ble the unit, allowing for remote shutdown. stabilization bake (125o c ambient) temperature cycle (-55o c to +125o c) high temp, full power burn in (100% power, 125o c c ase temp) series kr - single output pico part number input voltage range output voltage dc max. load current ma max. output power (watts) eff.@ full load typical (%)* input current full load typical (ma)* out volt ripple @ full ld. 1-1mhz bw mv p-p out volt tolerance ( %)* ** vld. reg. 25% -100% load ( %)* line regu- lation* ( %) price kra3.3s kra5s kra5.2s kra9s kra12s kra15s kra24s kra28s kra48s 18-36 18-36 18-36 18-36 18-36 18-36 18-36 18-36 18-36 3.3 5 5.2 9 12 15 24 28 48 6061 4000 3846 2222 1667 1333 833 714 417 20 20 20 20 20 20 20 20 20 78 78 78 80 78 78 81 82 83 950 950 950 925 950 950 915 905 890 60 60 60 60 60 60 60 60 80 1.00 0.75 0.75 0.50 0.50 0.50 0.50 0.50 0.50 3.00 2.50 2.50 1.25 1.00 1.00 0.50 0.50 0.50 2.50 1.50 1.50 0.75 0.50 0.50 0.25 0.25 0.25 198.07 198.07 198.07 198.07 198.07 198.07 198.07 198.07 198.07 page 2 of 6 series kr - isolated regulated 20 watt dc - dc converters 12/18/2007 http://www.picoelectronics.com/dcdclow/pe92_93.htm? partno=krb5.2as
kra100s 18-36 100 200 20 83 890 100 0.50 0.50 0.25 247.59 krb3.3s krb5s krb5.2as krb9s krb12s krb15s krb24s krb28s krb48s krb100s 36-60 36-60 36-60 36-60 36-60 36-60 36-60 36-60 36-60 36-60 3.3 5 5.2 9 12 15 24 28 48 100 6061 4000 3846 2222 1667 1333 833 714 417 200 20 20 20 20 20 20 20 20 20 20 78 78 78 80 78 78 81 82 83 83 534 535 535 520 535 535 515 510 500 500 60 60 60 60 60 60 60 60 80 100 1.00 0.75 0.75 0.50 0.50 0.50 0.50 0.50 0.50 0.50 3.00 2.50 2.50 1.25 1.00 1.00 0.50 0.50 0.50 0.50 2.50 1.00 1.00 0.50 0.50 0.50 0.25 0.25 0.25 0.25 231.27 231.27 231.27 231.27 231.27 231.27 231.27 231.27 231.27 289.09 krc3.3s krc5s krc5.2s krc9s krc12s krc15s krc24s krc28s krc48s krc100s 18-60 18-60 18-60 18-60 18-60 18-60 18-60 18-60 18-60 18-60 3.3 5 5.2 9 12 15 24 28 48 100 6061 4000 3846 2222 1667 1333 833 714 417 200 20 20 20 20 20 20 20 20 20 20 78 78 78 80 78 78 81 82 83 83 657 660 660 640 660 660 635 625 615 615 60 60 60 60 60 60 60 60 80 100 1.00 0.75 0.75 0.50 0.50 0.50 0.50 0.50 0.50 0.50 3.0 2.50 2.50 1.25 1.00 1.00 0.50 0.50 0.50 0.50 2.50 2.00 2.00 1.00 0.75 0.75 0.50 0.50 0.50 0.50 247.30 247.30 247.30 247.30 247.30 247.30 247.30 247.30 247.30 308.70 series kr - dual output pico part number input voltage range output voltage dc per output max. load current ma per output max. output power (watts) per output eff.@ full load typical (%)* input current full load typical (ma)* out volt ripple @ full ld. 1-1mhz bw mv p-p out volt tolerance ( %)* ** vld. reg. 25% -100% load ( %)* line regu- lation ( %) price kra5d kra9d kra12d kra15d kra24d kra28d kra48d 18-36 18-36 18-36 18-36 18-36 18-36 18-36 5 9 12 15 24 28 48 2000 1111 833 667 417 357 208 10 10 10 10 10 10 10 78 80 78 78 81 82 83 950 925 950 950 915 905 890 60 60 60 60 60 60 80 0.75 0.50 0.50 0.50 0.50 0.50 0.50 2.50 1.25 1.00 1.00 0.50 0.50 0.50 1.50 0.75 0.50 0.50 0.25 0.25 0.25 226.69 226.69 226.69 226.69 226.69 226.69 226.69 krb5d krb9d krb12d krb15d 36-60 36-60 36-60 36-60 5 9 12 15 2000 1111 833 667 10 10 10 10 78 80 78 78 535 520 535 535 60 60 60 60 0.75 0.50 0.50 0.50 2.50 1.25 1.00 1.00 1.00 0.50 0.50 0.50 259.89 259.89 259.89 259.89 page 3 of 6 series kr - isolated regulated 20 watt dc - dc converters 12/18/2007 http://www.picoelectronics.com/dcdclow/pe92_93.htm? partno=krb5.2as
krb24d krb28d krb48d 36-60 36-60 36-60 24 28 48 417 357 208 10 10 10 81 82 83 515 510 500 60 60 80 0.50 0.50 0.50 0.50 0.50 0.50 0.25 0.25 0.25 259.89 259.89 259.89 krc5d krc9d krc12d krc15d krc24d krc28d krc48d 18-60 18-60 18-60 18-60 18-60 18-60 18-60 5 9 12 15 24 28 48 2000 1111 833 667 417 357 208 10 10 10 10 10 10 10 78 80 78 78 81 82 83 660 640 660 660 635 625 615 60 60 60 60 60 60 80 0.75 0.50 0.50 0.50 0.50 0.50 0.50 2.50 1.25 1.00 1.00 0.50 0.50 0.50 2.00 1.00 0.75 0.75 0.50 0.50 0.50 275.92 275.92 275.92 275.92 275.92 275.92 275.92 series kr single output series kr single output c: is control pin note: all radii typ. 7/64" bottom view larger size drawing each unit is supplied with an external control pin. this "c" pin, when connected to the negative (-) input, will disa ble the unit, allowing for remote shutdown. larger size schematic typical weight: 165 grams series kr dual output c: is control pin each unit is supplied with an external control pin. this "c" pin, when connected to the negative (-) input, will disa ble the unit, page 4 of 6 series kr - isolated regulated 20 watt dc - dc converters 12/18/2007 http://www.picoelectronics.com/dcdclow/pe92_93.htm? partno=krb5.2as
for immediate engineering assistance or to place an order: call toll free: 800-431-1064 pico electronics, inc. 143 sparks ave. pelham, ny 10803-1837 tel: 914-738-1400 or fax: 914-738-8225 go back to dc - dc converters menu series kr dual output note: all radii typ. 7/64" bottom view larger size drawing allowing for remote shutdown. larger size schematic typical weight: 165 grams page 5 of 6 series kr - isolated regulated 20 watt dc - dc converters 12/18/2007 http://www.picoelectronics.com/dcdclow/pe92_93.htm? partno=krb5.2as
page 6 of 6 series kr - isolated regulated 20 watt dc - dc converters 12/18/2007 http://www.picoelectronics.com/dcdclow/pe92_93.htm? partno=krb5.2as
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