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(1/11) 003-01 / 20051203 / ea335_cc.fm ? all specifications are subject to change without notice. dc to dc converters insulation type, 1.5 to 10w output, 5-year warranty period, ul/c-ul certified (except ccp type) cc series features 5-year warranty period. with input protection element. with output variable terminal (except ccp24 ). input-output floating. shield type of 5-sided metal case. external component not required. with overcurrent protection function. with input remote control (ccn type). long life without electrolytic capacitor. input voltage alarm function incorporated (ccp-24 type). it is a product conforming to rohs directive. part numbers and ratings cck type ccm type ccn type ccp type ? 1 the same product can be used for the 12v output and the 15v output by using the vset terminal. ? 2 the same product can be used for the 12v output and the 15v output by using the vset terminal. ? 3 the 24v output is used as a single output with the com. terminal of the 12v output product open. conformity to rohs directive output current input voltage output voltage 3.3v 5v 12v ? 1 15v ? 1 12v ? 2 15v ? 2 24v ? 3 1.5w 5v cck-0503sf cck-0505sf cck-0512sf cck-0512sf cck-0512df cck-0512df cck-0512df 12v cck-1203sf cck-1205sf cck-1212sf cck-1212sf cck-1212df cck-1212df cck-1212df 24v cck-2403sf cck-2405sf cck-2412sf cck-2412sf cck-2412df cck-2412df cck-2412df 48v cck-4803sf cck-4805sf cck-4812sf cck-4812sf cck-4812df cck-4812df cck-4812df output current input voltage output voltage 3.3v 5v 12v ? 1 15v ? 1 12v ? 2 15v ? 2 24v ? 3 3w 5v ccm-0503sf ccm-0505sf ccm-0512sf ccm-0512sf ccm-0512df ccm-0512df ccm-0512df 12v ccm-1203sf ccm-1205sf ccm-1212sf ccm-1212sf ccm-1212df ccm-1212df ccm-1212df 24v ccm-2403sf ccm-2405sf ccm-2412sf ccm-2412sf ccm-2412df ccm-2412df ccm-2412df 48v ccm-4803sf ccm-4805sf ccm-4812sf ccm-4812sf ccm-4812df ccm-4812df ccm-4812df output current input voltage output voltage 3.3v 5v 12v ? 1 15v ? 1 12v ? 2 15v ? 2 24v ? 3 6w 5v ccn-0 503sf ccn-0505sf ccn- 0512sf ccn-0 512sf ccn-0512df ccn- 0512df ccn-0 512df 12v ccn-1 203sf ccn-1205sf ccn- 1212sf ccn-1 212sf ccn-1212df ccn- 1212df ccn-1 212df 24v ccn-2 403sf ccn-2405sf ccn- 2412sf ccn-2 412sf ccn-2412df ccn- 2412df ccn-2 412df 48v ccn-4 803sf ccn-4805sf ccn- 4812sf ccn-4 812sf ccn-4812df ccn- 4812df ccn-4 812df output current input voltage output voltage 3.3v 5v 12v 10w 24v ccp-2403sf ccp-2405sf ccp-2412sf conformity to rohs directive: this means that, in conformity with eu directive 2002/95/ec, lead, cadmium, mercury, hexavalent chromium, and specific bromine-based flame retardants, pbb and pbde, have not been used, except for exempted applications.
(2/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. cck type specifications and standards ? 1 typical input voltage, maximum output current ? 2 vset and ?vout are shorted. ? 3 load variation condition of 2-output product: balance load ? 4 measurement bandwidth: 50mhz the 2-output product can be used as a single output of 24v to 30v with the com. terminal open. refer to the description of the application for information about the voltage adjustment method or the like. output power - ambient temperature(derating) if the operating temperature range is determined based on the case surface temperature, it should be 90c or lower independently of a load rate. precautions parallel operation to increase output current is not possible. since the converter is entirely shielded by a metal case, care should be taken to isolate the case from the surrounding compo- nents and wiring pattern. part no. cck-0503sf cck-0505sf cck-0512sf cck-0512df cck-1203sf cck-1205sf cck-1212sf cck-1212df maximum output power w 1.3 1.5 1.5 1.5 1.3 1.5 1.5 1.5 input conditions input voltage edc v 4.5 to 9(5typ.) 9 to 18(12typ.) efficiency ? 1 % 66typ. 68typ. 70typ. 68typ. 70typ. 73typ. 75typ. 73typ. output characteristics output voltage edc v 3.3 5 12 12 3.3 5 12 12 output voltage 2 ? 2 edc v 3.67 6 15 15 3.67 6 15 15 voltage variable range edc v 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 maximum output current ma 400 300 125 60 400 300 125 60 maximum output current 2 ? 2 ma 350 250 100 50 350 250 100 50 output voltage total variation % 5max. 5max. 5max. 5max. 5max. 5max. 5max. 5max. voltage stability input variationmv2020304020203040 load variation ? 3 mv 40 40 100 600 40 40 100 600 temperature variation mv 50 50 100 150 50 50 100 150 ripple noise ep-p ? 4 mv 40typ. 40typ. 30typ. 30typ. 40typ. 40typ. 30typ. 30typ. mv 120max. 120max. 120max. 120max. 120max. 120max. 120max. 120max. part no. cck-2403sf cck-2405sf cck-2412sf cck-2412df cck-4803sf cck-4805sf cck-4812sf cck-4812df maximum output power w 1.3 1.5 1.5 1.5 1.3 1.5 1.5 1.5 input conditions input voltage edc v 18 to 36(24typ.) 36 to 72(48typ.) efficiency ? 1 % 70typ. 75typ. 75typ. 75typ. 70typ. 75typ. 75typ. 75typ. output characteristics output voltage edc v 3.3 5 12 12 3.3 5 12 12 output voltage 2 ? 2 edc v 3.67 6 15 15 3.67 6 15 15 voltage variable range edc v 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 maximum output current ma 400 300 125 60 400 300 125 60 maximum output current 2 ? 2 ma 350 250 100 50 350 250 100 50 output voltage total variation % 5max. 5max. 5max. 5max. 5max. 5max. 5max. 5max. voltage stability input variationmv2020304020203040 load variation ? 3 mv 40 40 100 600 40 40 100 600 temperature variation mv 50 50 100 150 50 50 100 150 ripple noise ep-p ? 4 mv 40typ. 40typ. 30typ. 30typ. 40typ. 40typ. 30typ. 30typ. mv 120max. 120max. 120max. 120max. 120max. 120max. 120max. 120max. ? 10 ? 20 0102030405060708090 20 40 60 80 100 0 output power(%) ambient temperature(?c)
(3/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. cck type shapes and dimensions weight: 6g dimensions in mm tolerance: ?.3 recommended pwb hole size, location[top view] circuit diagrams single output type cck- sf series 2-output type cck- df series oscillating method: astable frequency method oscillating frequency: approx. 200khz[100% load] to approx. 1200khz[no load] mttf: 500fit[2000000h, 100% load] common specifications 22.86 27.54 17.78 1 7 10 8 9 3 4 5 6 2 15.54 10.16 t=0.3 5.08 2.54 2.54 7.8max. 3.50.5 28max. 16max. 3 3 1.5 0.5 3.5 0.5 no.9, 10 no.7, 8 6- 0.640.1(diagonal 0.850.1) label 22.86 25.05 2.19 20.32 2 3 4 6 9 5 1 10 10.16 7.62 2.54 2.54 12.7 10.16 2- 2.0 6- 1.2 2.54 terminal pin configutation no.1 +vin no.2 vin no.3 nc no.4 vout no.5 vset no.6 +vout 1 6 2 4 5 3nc vout +vout vset vin r l +vin vin terminal pin configutation no.1 +vin no.2 vin no.3 vout no.4 common out no.5 vset no.6 +vout 1 6 5 2 4 3 +vout vin r l1 r l2 common out vout +vin vin vset overcurrent protection yes remote on-off no temperature range operating( c) 20 to +70[derating is necessary when operating environment temperature exceed 50 c.] storage( c) 40 to +85 humidity range operating(%)rh 20 to 95[maximum wet-bulb temperature: 38 c, without dewing] storage(%)rh 20 to 95[maximum wet-bulb temperature: 38 c, without dewing] amplitude 10 to 55hz, all amplitude 1.52mm, sweep time 15min.[3 directions of x, y, z, each 2h] vibration 980m/s 2 (100g) 6ms[6 directions, each 3 times] withstand voltage eac input to output, input to case, output to case: 500v, 1min. insulation resistance input to output, input to case, output to case: 50m ? min.[dc.500v] safety standards ul60950, csa60950(c-ul) certified external dimensions 28 7.8 16mm[w h d] weight 6g
(4/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. ccm type specifications and standards ? 1 typical input voltage, maximum output current ? 2 vset and vout are shorted. ? 3 load variation condition of 2-output product: balance load ? 4 measurement bandwidth: 50mhz the 2-output product can be used as a single output of 24v to 30v with the com. terminal open. refer to the description of the application for information about the voltage adjustment method or the like. output power - ambient temperature(derating) if the operating temperature range is determined based on the case surface temperature, it should be 90 c or lower independently of a load rate. precautions parallel operation to increase output current is not possible. since the converter is entirely shielded by a metal case, care should be taken to isolate the case from the surrounding compo- nents and wiring pattern. part no. ccm-0503sf ccm-0505sf ccm-0512sf ccm-0512df ccm-1203sf ccm-1205sf ccm-1212sf ccm-1212df maximum output power w23332333 input conditions input voltage edc v 4.5 to 9(5typ.) 9 to 18(12typ.) efficiency ? 1 % 65typ. 70typ. 72typ. 72typ. 70typ. 75typ. 77typ. 77typ. output characteristics output voltage edc v 3.3 5 12 12 3.3 5 12 12 output voltage 2 ? 2 edc v 3.67 6 15 15 3.67 6 15 15 voltage variable range edc v 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 maximum output current ma 600 600 250 125 600 600 250 125 maximum output current 2 ? 2 ma 540 500 200 100 540 500 200 100 output voltage total variation % 5max. 5max. 5max. 5max. 5max. 5max. 5max. 5max. voltage stability input variationmv2020304020203040 load variation ? 3 mv 40 40 100 600 40 40 100 600 temperature variation mv 50 50 100 150 50 50 100 150 ripple noise ep-p ? 4 mv 40typ. 40typ. 30typ. 30typ. 40typ. 40typ. 30typ. 30typ. mv 120max. 120max. 120max. 120max. 120max. 120max. 120max. 120max. part no. ccm-2403sf ccm-2405sf ccm-2412sf ccm-2412df ccm-4803sf ccm-4805sf ccm-4812sf ccm-4812df maximum output power w23332333 input conditions input voltage edc v 18 to 36(24typ.) 36 to 72(48typ.) efficiency ? 1 % 70typ. 75typ. 78typ. 78typ. 70typ. 75typ. 78typ. 78typ. output characteristics output voltage edc v 3.3 5 12 12 3.3 5 12 12 output voltage 2 ? 2 edc v 3.67 6 15 15 3.67 6 15 15 voltage variable range edc v 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 maximum output current ma 600 600 250 125 600 600 250 125 maximum output current 2 ? 2 ma 540 500 200 100 540 500 200 100 output voltage total variation % 5max. 5max. 5max. 5max. 5max. 5max. 5max. 5max. voltage stability input variationmv2020304020203040 load variation ? 3 mv 40 40 100 600 40 40 100 600 temperature variation mv 50 50 100 150 50 50 100 150 ripple noise ep-p ? 4 mv 40typ. 40typ. 30typ. 30typ. 40typ. 40typ. 30typ. 30typ. mv 120max. 120max. 120max. 120max. 120max. 120max. 120max. 120max. 10 20 0102030405060708090 20 40 60 80 100 0 output power(%) ambient temperature( ? c)
(5/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. ccm type shapes and dimensions weight:10g dimensions in mm tolerance: 0.3 recommended pwb hole size, location[top view] circuit diagrams single output type ccm- sf series 2-output type ccm- df series oscillating method: astable frequency method oscillating frequency: approx. 200khz[100% load] to approx. 1200khz[no load] mttf: 500fit[2000000h, 100% load] common specifications 22.86 27.8 17.78 1 7 10 9 8 3 4 5 6 2 19.8 15.24 t=0.3 5.08 5.08 5.08 8.5max. 3.50.5 28.5max. 20.5max. 3 3 1.0 0.4 3.5 0.4 no.9, 10 no.7, 8 6- 0.640.1(diagonal 0.850.1) label 22.86 25.18 2.32 20.32 2 3 4 6 7 5 1 8 15.24 10.16 5.08 2.13 17.37 15.24 2- 1.5 6- 1.2 2.54 terminal pin configutation no.1 +vin no.2 vin no.3 nc no.4 vout no.5 vset no.6 +vout 1 6 2 4 5 3nc vout +vout vset vin r l +vin vin terminal pin configutation no.1 +vin no.2 vin no.3 vout no.4 common out no.5 vset no.6 +vout 1 6 5 2 4 3 +vout vin r l1 r l2 common out vout +vin vin vset oscillating method astable frequency method oscillating fre quency approx. 200khz[100% load] to approx. 1200khz[no load] mttf 500fit[2000000h, 100% load] overcurrent protection yes remote on-off no temperature range operating( c) 20 to +70[derating is necessary when operating environment temperature exceed 50 c.] storage( c) 40 to +85 humidity range operating(%)rh 20 to 95[maximum wet-bulb temperature: 38 c, without dewing] storage(%)rh 20 to 95[maximum wet-bulb temperature: 38 c, without dewing] amplitude 10 to 55hz, all amplitude 1.52mm, sweep time 15min.[3 directions of x, y, z, each 2h] vibration 980m/s 2 (100g) 6ms[6 directions, each 3 times] withstand voltage eac input to output, input to case, output to case: 500v, 1min. insulation resistance input to output, input to case, output to case: 50m ? min.[dc.500v] safety standards ul60950, csa60950(c-ul) certified external dimensions 28.5 8.5 20.5mm[w h d] weight 10g
(6/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. ccn type specifications and standards ? 1 typical input voltage, maximum output current ? 2 vset and vout are shorted. ? 3 load variation condition of 2-output product: balance load ? 4 measurement bandwidth: 50mhz the 2-output product can be used as a single output of 24v to 30v with the com. terminal open. refer to the description of the application for information about the voltage adjustment method or the like. output power - ambient temperature(derating) if the operating temperature range is determined based on the case surface temperature, it should be 90 c or lower independently of a load rate. precautions parallel operation to increase output current is not possible. since the converter is entirely shielded by a metal case, care should be taken to isolate the case from the surrounding compo- nents and wiring pattern. part no. ccn-0503sf ccn-0505sf ccn-0512sf ccn-0512df ccn-1203sf ccn-1205sf ccn-1212sf ccn-1212df maximum output power w45665666 input conditions input voltage edc v 4.5 to 9(5typ.) 9 to 18(12typ.) efficiency ? 1 % 70typ. 74typ. 78typ. 76typ. 73typ. 80typ. 85typ. 85typ. output characteristics output voltage edc v 3.3 5 12 12 3.3 5 12 12 output voltage 2 ? 2 edc v 3.67 6 15 15 3.67 6 15 15 voltage variable range edc v 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 maximum output current ma 1200 1000 500 250 1500 1200 500 250 maximum output current 2 ? 2 ma 1000 800 400 200 1300 1000 400 200 output voltage total variation % 5max. 5max. 5max. 5max. 5max. 5max. 5max. 5max. voltage stability input variationmv2020304020203040 load variation ? 3 mv 40 40 100 600 40 40 100 600 temperature variation mv 50 50 100 150 50 50 100 150 ripple noise ep-p ? 4 mv 60typ. 40typ. 30typ. 30typ. 60typ. 40typ. 30typ. 30typ. mv 120max. 120max. 120max. 120max. 120max. 120max. 120max. 120max. part no. ccn-2403sf ccn-2405sf CCN-2412SF ccn-2412df ccn-4803sf ccn-4805sf ccn-4812sf ccn-4812df maximum output power w56665666 input conditions input voltage edc v 18 to 36(24typ.) 36 to 72(48typ.) efficiency ? 1 % 77typ. 82typ. 85typ. 85typ. 77typ. 80typ. 85typ. 85typ. output characteristics output voltage edc v 3.3 5 12 12 3.3 5 12 12 output voltage 2 ? 2 edc v 3.67 6 15 15 3.67 6 15 15 voltage variable range edc v 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 2.84 to 3.67 4.3 to 6 12 to 15 12 to 15 maximum output current ma 1500 1200 500 250 1500 1200 500 250 maximum output current 2 ? 2 ma 1300 1000 400 200 1300 1000 400 200 output voltage total variation % 5max. 5max. 5max. 5max. 5max. 5max. 5max. 5max. voltage stability input variationmv2020304020203040 load variation ? 3 mv 40 40 100 600 40 40 100 600 temperature variation mv 50 50 100 150 50 50 100 150 ripple noise ep-p ? 4 mv 60typ. 40typ. 30typ. 30typ. 60typ. 40typ. 30typ. 30typ. mv 120max. 120max. 120max. 120max. 120max. 120max. 120max. 120max. 10 20 0102030405060708090 20 40 60 80 100 0 output power(%) ambient temperature( ? c)
(7/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. ccn type shapes and dimensions weight:17g dimensions in mm tolerance :0.3 recommended pwb hole size, location[top view] circuit diagrams single output type ccn- sf series 2-output type ccn- df series oscillating method: astable frequency method oscillating frequency: approx. 150khz[100% load] to approx. 1000khz[no load] mttf: 650fit[1500000h, 100% load] common specifications 35.56 40.6 25.4 1 9 10 8 4 5 6 7 3 2 25.4 10.16 5.08 t=0.3 5.08 5.08 5.08 8.5max. 3.50.5 41max. 25.8max. 3 3 1.5 0.4 3.5 0.4 11 no.10, 11 no.8, 9 7- 0.640.1(diagonal 0.850.1) label 35.56 37.97 2.37 30.48 3 2 4 5 7 9 6 1 8 15.24 10.16 5.08 4.93 20.17 15.24 10.16 2- 2.0 7- 1.2 5.08 terminal pin configutation no.1 +vin no.2 vctl no.3 vin no.4 nc no.5 vout no.6 vset no.7 +vout 1 2 7 3 5 6 4nc vout +vout vset vin r l +vin vin off on terminal pin configutation no.1 +vin no.2 vctl no.3 vin no.4 vout no.5 common out no.6 vset no.7 +vout 7 6 5 4 +vout r l1 r l2 common out vout vset 1 2 3 vin +vin vin off on overcurrent protection yes remote on-off yes temperature range operating( c) 20 to +70[derating is necessary when operating environment temperature exceed 50 c.] storage( c) 40 to +85 humidity range operating(%)rh 20 to 95[maximum wet-bulb temperature: 38 c, without dewing] storage(%)rh 20 to 95[maximum wet-bulb temperature: 38 c, without dewing] amplitude 10 to 55hz, all amplitude 1.52mm, sweep time 15min.[3 directions of x, y, z, each 2h] vibration 980m/s 2 (100g) 6ms[6 directions, each 3 times] withstand voltage eac input to output, input to case, output to case: 500v, 1min. insulation resistance input to output, input to case, output to case: 50m ? min.[dc.500v] safety standards ul60950, csa60950(c-ul) certified external dimensions 41 8.5 25.8mm[w h d] weight 17g
(8/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. ccp type specifications and standards ? 1 output voltage includes input variation, load variation, and temperature variation. ? 2 measurement bandwidth: 50mhz ? 3 typical input voltage, maximum output current ? 4 overcurrent protection function is automatic reset type. output power - ambient temperature(derating) if the case temperature is used for the derating, apply the range indicated by the dashed line. connections the input voltage detection output terminal (alarm) is a transistor output of a photo-coupler and it is insulated at the both input and output sides. precautions parallel operation to increase output current is not possible. since the converter is entirely shielded by a metal case, care should be taken to isolate the case from the surrounding compo- nents and wiring pattern. low input voltage detection circuit the following circuit configuration is recommended for the low input voltage detection circuit. in a rise of the power supply, the +alarm terminal is at the low level when the input voltage is in a range of 18 to 19v. in a fall of the power supply, the +alarm terminal is at the high level when the input voltage is in a range of 17 to 18v. part no. ccp-2403sf ccp-2405sf ccp-2412sf maximum output power w 7.59 10 10.2 input conditions input voltage edc v 18 to 36(24typ.) 18 to 36(24typ.) 18 to 36(24typ.) efficiency % 80typ. 83typ. 85typ. output characteristics output voltage edc v 3.3 5 12 maximum output current ma 2300 2000 850 output voltage total variation ? 1 % 5max. 5max. 5max. voltage stability input variation mv 20 20 30 load variation mv 40 50 100 temperature variation mv 50 100 150 ripple noise ep-p ? 3 mv 60typ. 80typ. 100typ. mv 120max. 120max. 150max. 10 20 0102030405060708090 20 40 60 80 100 0 output power(%) ambient temperature( ? c) +vin vin vout +vout load power supply +alarm alarm low input voltage detection circuit + +vin vin power supply +alarm alarm low input voltage detection circuit r +
(9/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. ccp type shapes and dimensions oscillating frequency: approx. 280khz[fixed] mttf: 650fit[1500000h, 100% load] recommended pwb hole size, location[top view] terminal pin configutation common specifications 8- 0.640.1 (diagonal 0.850.1) 38.1 no.9,10 no.11,12 45 25.4 1 10 11 9 5 6 7 8 4 3 2 34.7 17.78 5.08 5.08 t=0.3 10.16 2.54 2.54 (16.08) (3.38) (3.38) (3.38) 8.5max. 30.5 45.5max. 35max. 2.5 2.5 1 0.4 3 0.4 12 terminal no. function remark 1+vin 2 vin 3 +alarm phototransistor collector terminal 4 alarm phototransistor emitter terminal 5, 6 vout 7, 8 +vout 1 2 3 4 5 6 7 8 (3.23) 17.78 22.86 27.94 (31.17) 6.35 (3.30) 31.75 38.1 41.4 12.7 15.24 25.4 27.94 dimensions in mm 8- 1.2 2- 2.0 overcurrent protection yes remote on-off yes temperature range operating( c) 20 to +70[derating is necessary when operating environment temperature exceed 50 c.] storage( c) 40 to +85 humidity range operating(%)rh 95 max.[maximum wet-bulb temperature: 38 c, without dewing] storage(%)rh 95 max.[maximum wet-bulb temperature: 38 c, without dewing] amplitude 10 to 55hz, all amplitude 1.52mm, sweep time 15min.[3 directions of x, y, z, each 2h] vibration 980m/s 2 (100g) 6ms[6 directions, each 3 times] withstand voltage eac input to output, input to case, output to case: 500v, 1min. insulation resistance input to output, input to case, output to case: 50m ? min.[dc.500v] external dimensions 45.5 8.5 35.0mm[w h d] weight 30g
(10/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. characteristics, functions, and applications terminal connection be very careful with coupling input wires. an incorrect terminal connection or polarity may damage a converter. output voltage adjustment terminal (vset) (except ccp type) the following output voltages can be outputted by connecting this terminal to an output + or terminal. unless the output voltage is adjusted, this terminal should be open. in addition, the voltages can be adjusted not by shorting these ter- minals, but by connecting them to resistances as shown below. calculation formula connection resistance: r(k ? ) ? 1 vo=(3.3 r+36.7)/(r+10) ? 2 vo= 2.5 [2+2.7/(r+6.8)] ? 3 vo=2.5+9.5 (r+10.9)/(r+8.2) ? 4 vo=2.5+22 (r+12.7)/(r+10)[between two outputs] ? 5 vo=(3.3 r+36.7)/(r+12.92) ? 6 vo=2.5 [2 2.7/(r+9.5)] if the output voltage has been adjusted to be higher, it should be noted that the output current needs to be derated so as to be suit- able for the maximum power. if there is a possibility that a surge voltage is applied to the output section when this product is used at 12v or 12v, connect a capacitor of approx. 0.01 to 0.1f between the vset and output gnd terminals. to improve an accuracy of the output voltage (for example, sup- pressed to vo0.5% or lower), arrange the wiring as shown below to adjust the output voltage. dual-output connection method(except ccp type) as for a dual-output converter, it is also possible to obtain a dou- ble-output voltage (24v output for 12v output) by connecting a load between the plus and minus outputs with the gnd terminal open. noise reduction in measuring the converter noise, a value may have a significantly large deviation according to a measuring method in case of an inaccurate measurement. the measurement should be performed at the base of the terminal and no loop should be made to prevent flux from being gathered at a connection of a probe. in addition, it should be noted that a spike voltage largely depends upon a ripple voltmeter or a frequency band of an oscilloscope. the tdk noise measurement is performed at the base of each ter- minal in the 50mhz frequency band. if such significant deviation of values is a problem, the measurement system should be reviewed. input noise this converter incorporates a filter circuit as shown below in an input section. therefore, it operates without any external capacitor attached to the input section. a connection of a capacitor, how- ever, forms filter and reduces input return noise. if there is a long distance from the input power supply to the input section of the converter, connect a capacitor at the base of the input terminal, if possible. the capacitor connected to the input power supply portion does not have so much effect in some cases. a long distance from the input power supply to the input section of the converter may cause high impedance of an input line, thereby increasing spike noise. therefore, it is recommended to connect a capacitor in this condition, if possible. a capacity range of the external capacitor is approx. 0 to 470f. select and connect the optimum one according to your conditions for use. output noise if an output ripple is reduced, connect a capacitor of approx. 0 to 220f to the output section of the converter. the noise is further reduced by a connection of filter as shown below. in this connec- tion, the filter should be of around 0 to 100f. to reduce output spike noise, connect a ceramic capacitor of approx. 0 to 1f to the output section of the converter. if the wiring pattern between the converter output and the load is long, the capacitor should be located at the base of the load as far as possible. the capacitor installed close to the base of the output of the converter may have so much effect. part no. open vout shorted +vout shorted xx03sf 3.3v 3.67v 2.84v xx05sf5v6v4.3v xx12sf 12v 15v xx12df 12v 15v part no. open vout connected with resistance +vout connected with resistance xx03sf 3.3v 3.3 to 3.67v ? 1 3.3 to 2.84v ? 5 xx05sf 5v 5 to 6 ? 2 5 to 4.3v ? 6 xx12sf 12v 12 to 15v ? 3 xx12df 12v 12 to 15v ? 4 variable resistance +vout +vset vout +vin vin + + power supply load dc-dc converter +vout vout + dc-dc converter + + load dc-dc converter +vout vout +vout vout dc-dc converter load +
(11/11) 003-01 / 20051203 / ea335_cc.fm all specifications are subject to change without notice. characteristics, functions, and applications common mode noise to reduce the common mode noise, connect a capacitor of 0 to 1000pf between the primary side and the secondary side. be careful with this connection; a coupling capacitance between the input and the output becomes high if a too big capacitor is con- nected. furthermore, care should be taken for the withstand voltage of the capacitor (500v or higher is desirable from the viewpoint of the insulation and high voltage safety requirements). if the converter is used not as an insulation type, but as a non- insulation type, a short circuit is required between the gnd termi- nal of the primary side and that of the secondary side. radiated noise radiated noise of the converter is reduced by connecting a ground terminal of the case to the gnd of an input or of an output. it should be noted, however, that its effect depends upon a device to be used. in addition, the wiring pattern should be made on a bot- tom surface of the converter in a plain pattern with a gnd line, if possible. series and parallel connections series connection it is possible to form a series connection with wiring as shown below. when the output voltage is not turned on with this connec- tion, connect schottky barrier diodes having a forward voltage that is as low as possible, as shown below. the schottky barrier diodes used for this purpose should have a reverse withstand voltage twice or more the voltage between the +vout and vout terminals. the output current should be used at a level equal to or lower than the smaller rated current of the con- verters. ? parallel operation parallel operation to increase output current is not possible. soldering conditions soldering dip: 260 c, 10s max. soldering iron: 350 c, 3s max. cleaning conditions it is recommended that the pc board should not be cleaned after soldering. it, however, has already been checked that there is no problem as a result of the following cleaning tests. when cleaning with one of the following cleaning agents, it should be used under these conditions. when using cleaning agent other than the following, please consult tdk before use. cleaning agents and test conditions clean through 750h (kao corporation) (1) cleaning (agitation) 60 c/4min (2) rinsing (agitation, water) 60 c/8min (3) drying 70 c/6min pine alpha st100s (arakawa chemical industries, ltd.) (1) cleaning (agitation) 60 c/5min (2) rinsing (agitation, water) 60 c/3min (3) drying 70 c/6min terpene cleaner ec-7r (1) cleaning (agitation) 60 c/5min (2) rinsing (agitation, ipa) 30 c/10min (3) drying 70 c/6min isopropyl alcohol (tokuyama corp., etc.) (1) ultrasonic cleaning 60 c/1min (2) cooling bath cleaning r.t./1min (3) vapor cleaning 83 c/1min load +vout vout +vout vout +vout vout +vout vout load

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