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1、ndp1360kc6a,34v high efficiency synchronous step-down dc/dc converterzdescriptionndp1360kc is a high efficiency, monolithic synchronous step-down dc/dc converter utilizing a constant frequency, average current mode control architecture. capable of delivering up to 6a continuous load with excellent l
2、ine and load regulation. the device operates from an input voltage range of 7v to 32v and provides an adjustable output voltage from 1v to 25v.the ndp1360kc features short circuit and thermal protection circuits to increase system reliability. the internal soft-start avoids input inrush current duri
3、ng startup.the ndp1360kc require a minimum number of external components. and a wide array of protection features to enhance reliabilityfeaturesl wide vin range : 7v to 32vl 6a continuous output currentl up to 95% efficiency 24v inputl dual-channel cc/cv mode controll brick wall current limitl built
4、 in adjustable line-compensationl adjustable output voltagesl /-1.5% output voltage accuracyl - 5% current limit accuracy.l integrated 8m high side switchl integrated 8m low side switchl fixed 130khz frequencyl burst mode operation at light loadl internal loop compensationl internal soft startl ther
5、mally enhanced sop8 packageapplicationsl car chargerl rechargeable portable devicesl networking systemsl distributed power systemstypical application深圳市骊微电子科技有限公司电源方案开发设计半导体专业供应商absolute maximum ratings (at ta = 25c)characteristicssymbolratingunitvin to gnd-0.3 to 34vsw to gnd-0.3 to vin 0.3vbst to
6、gnd-0.3 to vin 6fb, fs to gnd-0.3 to 6vcsp, csn1, csn2 to gnd-0.3 to 25vjunction to ambient thermal resistance105c/woperating junction temperature-40 to 150cstorage junction temperature-55 to 150cthermal resistance from junction to casejc15c/wthermal resistance from junction to ambientja40c/wpin fu
7、nction and descriptionspinnamedescription1fbfeedback of output voltage2csppositive input of current sense3csn1negative input of current sense14csn2negative input of current sense25gndground6vinpower input7bstboot strap8swswitching nodeconnected with a inductororder informationorder informationtop ma
8、rkingndp1360 k cdy: year (d8=2018,d9=2019,)pin no.c:8packagek: sop8product numberww: weekly (01-53)x : internal id codeelectrical characteristicstj = 25c. vin = 12v, unless otherwise notedcharacteristicssymbolconditionsmintypmaxunitsinput voltagevin7-32vuvlo voltagevuvlo6.27vuvlo hysteresis0.8vinput
9、 over voltage protectvovp38vquiescent currenticcqvfb = 1.2v, no switch-1300-uastandby currentisbno load-1.72.2mafb reference voltagevfb0.98511.015vvfb bias currentifb0.2uacurrent sense ampvcs1csp-csn1576063mvvcs2csp-csn2576063mvswitching frequencyfswfs floating130khzfs shut downvfsen0.6vmaximum duty
10、 cycle98-%minimum on-time-250-nscurrent limitilim7avfb short protectvfbscp0.6vhicup intervalthicup500mssoft start timetss2msrdson of power moshigh sidetemp=258mlow sidetemp=258mthermal regulationttr145cthermal shutdown temptsd-165-cthermal shutdown hysteresistsh-30-cblock diagramtypical performance
11、characteristics (tj = 25c, unless otherwise noted)package description8-lead standard small outline package sop-8symboldimensions in millimetersdimensions in inchesminmaxminmaxa1.3501.7500.0530.069a10.0500.2500.0020.010a21.2501.6500.0490.065b0.3100.5100.0120.020c0.1700.2500.0060.010d4.7005.1500.1850.203e3.8004.0000.150.157e15.8006.2000.2280.244e1.270 (bsc)0.05 (bsc)l0.4001.2700.0160.0500808