View SFA0001_9019580.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 1 12 61426 - 01 scope the present specif ications shall apply to s witching p ower supply ic SFA0001 - vf - rp outline type semiconductor ic (monolithic ic) structure plastic package (t ransfer mold) features build - in c urrent limit protect ion, thermal shutdown protection. built - in error - a mp helps el iminate components at sensing stage such as shunt regulator. absolute maximum ratings absolute maximum ratings ta=25 1 mounted on glass epoxy board (the dimension of pcb : 42mm 32mm 1mmt ) recommended operating conditions switching frequency fosc 20 200 hz parameter symbol ratings unit input voltage for control part v cc 6 24 v symbol pd tj tstg vocp vss vfb v cc vcomp vfreq idrv(peak) idrv(dc) drive terminal peak current - 540ma +270ma ma drive terminal dc current - 180ma +90ma ma junction temperature - 40 150 storage temperature - 40 150 frequency setting terminal voltage - 0.3 + 6 v power dissipation 1.2 ( w input voltage for control part 0 3 6 v phase compensation terminal voltage - 0.3 + 6 v ss terminal voltage - 0.3 +9 v fb terminal voltage - 0.3 +6 v parameter ratings unit ocp terminal voltage - 6 +6 v
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 2 12 61426 - 01 electrical characteristic - electrica l characteristics (v cc = 14 v, ta = - 40 125 ) (*1) *1 the ratings at ta= - 40 to 125 shall be treated as a design value. the ratings of devices shall be checked at - 30 ,25 ,125 at outgoing inspection. *2 the rating of devices shal l be treated as a design value. - t ypical characteristics(ta=25 ) min typ max conditions power supply start - up operation parameter symbol ratings unit 4.9 5.1 5.3 v fb=0v ss=0v ocp=0v freq=200pf vcc=0v 14v operation stop voltage vcc(off) 4.4 4.6 4.8 v fb=0v ss=0v ocp=0v freq=200pf vcc=14v 0v operation st art voltage vcc(on) 1.8 2.8 4 ma fb=0v ss=0v ocp=0v freq=200pf vcc=14v circuit current in non - operation icc(off) 0.3 0.6 1 ma fb=0v ss=0v ocp=0v freq=200pf vcc=4.8v circuit current in operation icc(on) normal operation ss termi nal high threshold voltage vhss 1.9 2 2.1 v fb=0v ocp=0v freq=0v vcc=14v ss=0v 2.5v 0.9 1 1.1 v fb=0v ocp=0v freq=0v vcc=14v ss=2.5v 0v ss terminal voltage hysteresis width vss 0.9 1 1.1 v vhss - vlss ss terminal low threshold v oltage vlss 11 15 19 ua fb=0v ocp=0v freq=0v vcc=14v ss=0.9v ss terminal inflow current isnk(ss) 13 17 21 ua fb=0v ocp=0v freq=0v vcc=14v ss=2.1v ss terminal outflow current isrc(ss) 85 100 115 khz fb=0v ss=0v ocp=0v freq=200pf vcc=14v freq terminal outflow current isrc(freq) 27 30 33 ua fb=0v ocp=0v ss=0v vcc=14v freq=0.9v switching frequency fosc(200p) 75 86 95 ua fb=0v ocp=0v ss=0v vcc=14v freq=2.1v oscillation circuit high threshold voltage vhf 1. 9 2 2.1 v fb=0v ocp=0v ss=0v vcc=14v freq=0v 2.5v freq terminal inflow current isnk(freq) 0.9 1 1.1 v fb=0v ocp=0v ss=0v vcc=14v freq=2.5v 0v maximum on - duty width dmax 70 73 78 % fb=0v ss=0v ocp=0v freq=200pf vcc=14v oscilla tion circuit low threshold voltage vlf 2.1 2.5 2.9 mv/% fb=0v ss=2.5v comp=1.3v freq=470p vcc=14v ocp=0v 1v feedback voltage vfb 2.45 2.5 2.55 v ss=0v ocp=0v freq=0v vcc=14v fb=0v 2.5v slope compensation rate slp 7.6 8.3 9 v fb=0 v ocp=0v ss=0v vcc=14v freq 3v ? pluse minimam drive voltage vdrive(min) 4 v fb=0v ocp=0v ss=0v vcc R 6v freq 3v ? pluse drive voltage vdrive (*2) minimum on - time ton(min) 400 ns 0.54 v fb=3v ss=0v ocp=1v freq=200pf vcc=14v protection operation leading edge blanking time tbw (70) 100 (150) ns ocp threshold voltage vocp 0.46 0.5 4.5 v fb=0v ss=0v vcc=14v freq 3v ? pluse ocp=0v 1v olp delay time tolp 32 42 52 ms fb=0v ocp=0v ss= 0 f vcc=14v freq 3v ? p luse drive stop threshold voltage vst 3.5 4 fb=0v ocp=0v vcc=14v freq 3v ? pluse ss=0v 5v thermal shutdown operating temperature tjh (tsd) 150 165 (*2) (*2) thermal shutdown release temperature tjl (tsd) 150
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 3 12 61426 - 01 block diagram 10 100 1000 10 100 1000 10000 fosc[khz] cfreq[pf] 85 88 91 94 97 100 103 106 109 112 115 - 50 0 50 100 150 fosc(200p)[khz] tj[ ] 0 1 2 3 4 5 6 7 8 9 0 5 10 15 20 25 vdrive[v] vcc[v] 2.45 2.46 2.47 2.48 2.49 2.5 2.51 2.52 2.53 2.54 2.55 - 50 0 50 100 150 vfb[v] tj[ ] 0 0.5 1 1.5 2 2.5 3 3.5 4 0 5 10 15 20 25 icc[ma] vcc[v] r e g p o w e r o n r s t v c c v r e f r e g o s c t s d o l p s o f t s t a r t s l o p e d r i v e r f r e q o c p s s c o m p g n d + - + - + - + - s t o p d r i v e r e g 8 . 3 v 5 . 1 / 4 . 6 v 2 . 5 v 2 . 5 v 5 v e r r a m p 4 v u v l o l o g i c s s _ o s c l e b f b d r v v r e f e r e n c e + - 7 v o c p c o m p a r a t o r f b c o m p a r a t o r
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 4 12 61426 - 01 standard connection since the switching noise caused by q1 may affect the operation of an ic ,appropriate d esign for peripheral circuits is required to prevent the malfunction of an ic by adding snubber circuit and /or filter circuit. pins function description te rminal no symbols descripton 1 vcc power supply terminal 2 fb feedback terminal 3 gnd ground terminal 4 ss soft start terminal 5 freq frequency setting terminal 6 comp phase compensation terminal 7 drive gate drive terminal 8 ocp over current protection terminal
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 5 12 61426 - 01 t iming diagram t iming diagram in standard connection t iming d iagram in protection vcc fb ss freq drv ocp comp vcc(on) vfb vcc(off) vhf vlf dmax vocp vdrive vhss vlss vss start stop softstart steady operation startup transient operation vcc ss freq ocp drv vocp vcc(on) vcc(off) tolp vst tolp vocp overcurrent state protected by ocp released from olp operation stop drv terminal operation by extarnal input to ss terminal
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 6 12 61426 - 01 package information package type, physical dimensions and material appearance the body shall be clean and shall not bear any stain, rust or flaw. marking the type number and lot number shall be legitimately marked in order not to be erased easily. 1 part number 2 logo mark 3 lot number 1 st letter the last digit of year 2 nd le tter month 1 to 9 jan. to sept.,o for oct. n for nov. d for dec. 3 rd & 4 th letter day 01 31 arabic numeral 4 administer number dimensions in mm lead is solder - plated (except cutting surface of lead) SFA0001 sk 1 2 3 4 terminal no symbols descripton 1 vcc powe r supply terminal 2 fb feedback terminal 3 gnd ground terminal 4 ss soft start terminal 5 freq frequency setting terminal 6 comp phase compensation terminal 7 drive gate drive terminal 8 ocp over current protection termin al zoom of a part
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 7 12 61426 - 01 the example of the solder pattern there are reference val ue that are according with the eiaj standards. (ed - 7402 - 1) e e e b e 1 i2 b2 e e e l 1 2 l l e1 or more ? (mm) symbol dimensions(mm) e1 5.72 e 1.27 0.2 1 0.20.5 2 0.2 l 0.6 b 0.42 b2 0.76 i2 l+ 1+2
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 8 12 61426 - 01 sop8 taping specifications for pack ing 1 outline this specification specifie s packaging spec. for sanken electric co., SFA0001 - vf - rp as well as its related matters. shipping is only taping as to sop8. 2 part name indication this followings specifies part name for taping spec. 2.1 p art name indication method p art name - vf 2.2 ic direction in c arrier tape pocket SFA0001 - vf - rp is [v f type] . end of part name is [ - vb ]: 1 pin of ic is facing to tape roll - in direction. end of part name is [ - vf ]: 1 pin of ic is facing to tape pull - out direction. 3. embossed taping specifications 3.1 taping type and physical dimensions this carrier tape is treated antistatic treatment . 1pin pull - out direction material emboss
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 9 12 61426 - 01 3.2 reel ing type and physical dimensions this reel is made of plastic with antistatic treatment . a label shall be put on a side of flange. a label has part number including a direction for unreeling , quantity, and lot number. label content name lot no. amount p ? ? reel material
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 10 12 61426 - 01 3.3 reeling specifications (leader/trail) leader cover tape section min 100mm empty carrier tape min 320mm leader section min 420mm trail e mpty carrier tape min 80mm 3.4 strength of taping seal detachment strength of cover tape 0.1 1.0n tear away angle: 165 180 detachment speed: 300 10mm min 3.5 missed parts on tape the number of missed parts can not exceed 0.2% of total parts on the tape. also, miss ing of sequential parts must not happen. trail leader cover tape section empty carrier tape a dhesive tape leader cover tape carrier tape tape feed direction
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 11 12 61426 - 01 4. packaging 4.1 the number of parts per a reel: 3000 parts (max) 4.2 indication of part name and quantity a label shows part number, quantity, and lot number. 4.3 o uter packaging of reel reel is put into moisture barrier bag and seal with desiccant and put i nto outer box. 5. packing dimensions and appearance (a box is made of card boards. the following dimensions are reference value.) dimensions of a box: h336mm x v345mm x t 40mm size of a box contains 5 s mall boxes: 357mm x 357x 233mm 6. storage in order to avoid failures during picking and mounting of devices by degradation of taping peel strength and to maintain mounting quality , the box shall be stored under temperature +5~+40 degree c and humidity 40%~60%. parts shall be used within 3 months from the shipp ing date with unpacked state. after unpacking the bag, the parts shall be stored under temperature 30 and humidity 60% and used within 168hrs. moi sture sensitivity level (msl): level 3 336 357 345 233
sanken electric co., ltd. SFA0001 - vf - rp 111227 ssj - 04079 12 12 61426 - 01 caution/ warning ? application and operation examples described in this document are quoted for the sole purpose of reference for the use of the products herein and sanken can assume no responsibility for any infri ngement of industrial property rights, intellectual property rights or any other rights of sanken or any third party which may result from its use. ? although sanken undertakes to enhance the quality and reliability of its products, the occurrence of failur e and defect of semiconductor products at a certain rate is inevitable. users of sanken products are requested to take, at their own risk, preventative measures including safety design of the equipment or systems against any possible injury, death, fires o r damages to the society due to device failure or malfunction. ? sanken products listed in this document are designed and intended for the use as components in general purpose electronic equipment or apparatus (home appliances, office equipment, telecommuni cation equipment, measuring equipment, etc.). please return to us this document with your signature(s) or seal(s) prior to the use of the products herein. when considering the use of sanken products in the applications where higher reliability is required (transportation equipment and its control systems, traffic signal control systems or equipment, fire/crime alarm systems, various safety devices, etc.), please contact your nearest sanken sales representative to discuss, and then return to us this document with your signature(s) or seal(s) prior to the use of the products herein. the use of sanken products without the written consent of sanken in the applications where extremely high reliability is required (aerospace equipment, nuclear power control system s, life support systems, etc.) is strictly prohibited. ? in the case that you use our semiconductor devices or design your products by using our semiconductor devices, the reliability largely depends on the degree of derating to be made to the rated values. derating may be interpreted as a case that an operation range is set by derating the load from each rated value or surge voltage or noise is considered for derating in order to assure or improve the reliability. in general, derating factors include electr ic stresses such as electric voltage, electric current, electric power etc., environmental stresses such as ambient temperature, humidity etc. and thermal stress caused due to self - heating of semiconductor devices. for these stresses, instantaneous values, maximum values and minimum values must be taken into consideration. in addition, it should be noted that since power devices or ics including power devices have large self - heating value, the degree of derating of junction temperature (tj) affects the re liability significantly. ? when using the products specified herein by either (i) combining other products or materials therewith or (ii) physically, chemically or otherwise processing or treating the products, please duly consider all possible risks that m ay result from all such uses in advance and proceed therewith at your own responsibility. ? anti radioactive ray design is not considered for the products listed herein. ? sanken assumes no responsibility for any troubles, such as dropping products caused du ring transportation out of sanken s distribution network .

▲Up To Search▲

Price & Availability of SFA0001

	To Download SFA0001 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .