speci?cations which provide more details for the proper and safe use of the described product are available upon request. all speci?cations are subject to change without notice. power supplies cfk series dc to dc converters single/multi output, general-purpose features ? these dc to dc converters are highly ef?cient, even at low loads. ? these thin miniaturized converters have a maximum height of 3.5mm. ? output terminal voltage of the cfk-0503p and cfk-n series is variable. ? noise is suppressed by the use of ferrite plastic. ? compatible with re?ow soldering due to highly heat resistant molded package. temperature and humidity ranges deratings derating is necessary when operating environment temperature exceed 50c. shapes and dimensions circuit diagrams +output type cfk-p series - output type cfk-n series ci: external input capacitor (10v, 22f) co: external output capacitor(see table of electrical characteristics). r l : load 2-output type cfk-w series terminal connections temperature range operating C10 to +70c[with derating over 50c] storage C40 to +85c humidity range 95(%)rh max. [maximum wet-bulb temperature:38c] 0 20 30 40 50 60 70 80 10 100 80 60 40 0 20 output power ( % ) ambient temperature ( ? ) 0.8 ( 0.72 ) ( 0.1 ) 3.5max. 8-?.8 ( cut through-hole ) 15.9 17.5 11.8 2 22 1 1 1 2 3 4 8 7 6 5 tdk CFK-0512P lot no. weight: 1.7g max. dimensions in mm tolerance: 0.3mm no.1 terminal side marking +vin 2 3 8 6 +vout co r l 5 ci + + vset * * only for cfk-0503p +vin 2 3 7 ?out co r l 5 ci 6 vset + + type cfk-p cfk-n cfk-w no.1 nc nc nc no.2 +vin +vin +vin no.3 Cvin(gnd) Cvin(gnd) Cvin(gnd) no.4 nc nc nc no.5 gnd gnd gnd no.6 vset(0503p) vset nc no.7 nc Cvout Cvout no.8 +vout nc +vout +vin 2 3 8 7 +vout ?out co r l 5 ci co r l 6 nc + + +
a331_cfk 980406 speci?cations which provide more details for the proper and safe use of the described product are available upon request. all speci?cations are subject to change without notice. power supplies cfk series dc to dc converters single/multi output, general-purpose electrical characteristics * 1 output voltage includes fluctuations in the input(vin:4.5 to 5.5v), load(0 to 100%) and temperature(C10 to +70 c). * 2 variation value per 1c. * 3 measured with a 50mhz bandwidth. output ripple noise was measured after connection of the indicated external capacitor co to the output terminals. * 4 typical input voltage, maximum output current. recommended pc board patterns precautions ? can not be operated in parallel to increase output current. ? should design for as low an impedance as possible from the power supply input to the capacitor input terminal. ? input fuse a fuse should be connected to the input with a current rating 3 times that of the standard(normal) input current. ? re?ow soldering conditions preheat temperature: 15010c, 1min max. peak heating: 240c max., 10s max. part no. input voltage edc(v) output voltage * 1 (v) output current (ma) output voltage stability(%) typ. output ripple * 3 ep-p(mv)typ./max. efficiency * 4 (%)typ. output capacitance co.(f) input load temperature * 2 cfk-0503p +4.5 to 5.5 +3.35% 0 to 360 0.02 0.1 0.3 120/300 82 68 CFK-0512P +4.5 to 5.5 +125% 0 to 100 1 1 3 140/350 85 22 cfk-0515p +4.5 to 5.5 +155% 0 to 80 1 1 3 170/350 82 22 cfk-0505n +4.5 to 5.5 C55% 0 to 160 0.02 0.1 0.3 100/250 72 47 cfk-0512n +4.5 to 5.5 C125% 0 to 66 0.02 0.1 0.3 130/300 72 22 cfk-0515n +4.5 to 5.5 C155% 0 to 53 0.02 0.1 0.3 130/300 72 22 cfk-0524n +4.5 to 5.5 C245% 0 to 33 0.02 0.1 0.3 100/300 75 6.8 cfk-0512w +4.5 to 5.5 125% (0 to 50) 2 0.5 1 3 40/100 80 33 14.9 ( 18.9 ) 1 1 1 1 1 1 1 dimensions in mm
|