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K78L15-500 Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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K78L15-500 Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 5 page The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. K78LXX-500 B/0-2012 Page 2 of 5 TYPICAL TEMPERATURE CURVE EXTERNAL CAPACITOR TABLE Operating Temp.( ) C Temperature Derating Graph (figure 1) Part Number C1 (ceramic capacitor) C2 (ceramic capacitor) K78L03-500 10 μF/50V 22 μF/16V K78L05-500 10 μF/50V 22 μF/16V K78LX6-500 10 μF/50V 10 μF/16V K78L09-500 10 μF/50V 10 μF/16V K78L12-500 10 μF/50V 10 μF/25V K78L15-500 10 μF/50V 10 μF/25V STANDARD APPLICATION CIRCUIT 1.C 1 an d C2 ar e re quir ed and should b e fi tted clo se to the co nve rter pins. 2.T he c apacitance of C1 , C2 s ees ext ernal ca pac itor table,it can be incr eas ed pr op er ly if requi r ed, and. 3. tantalu m o r low ES R e lectrolytic c apacitor s m ay also suffice N o paral lel c onn ecti on or plug and p lay. 4.O utp ut c an n ot s hor t-cir cuit,or i t ma y cause per manent dam ag e to the dev ice. Note: +Vin G ND G ND K 78 LX X-5 00 1 2 3 + Vout C1 C2 + + (figure 2) TEST CONFIGURATIONS (TA=25 °C) 1 Efficiency and Output Voltage Ripple Test Sc ope C e ram ic 3 +Vin GND +V out C2 C1 25 .4mm 1 DC/DC Converter 2 25 .4 mm 1 2.7 mm 1F μ 1 0F μ Ta nta lum Coppe r strip Co pper s trip (figure 3) 2 Start-up and Load Transient Response Test 3 +Vin G ND +V out C2 C1 50 .8 mm 1 DC/DC Con verter 2 Sc ope Cop pe r strip Cop pe r strip (figure 4) |
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