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power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 1/ 11 general descriptions the STR-Y6453 is power ic for quasi-resonant switching type power supplies, incorporating a power mosfet and a controller ic. the product is automatically switched to the quasi resonant operation, one bottom skip quasi resonant operation and two bottom skip operation in normal operation, and to the burst oscillation operation in light load. that realizes the low standby power and a power supply system with high cost performance, low external part count can be easily composed. features ? multi operation mode the operation mode switching with four steps according to load conditions achieves the optimal high efficiency and low noise power supply systems across the full range of loads. ? current mode control method ? the built-in startup circuit reduces the power consumption ? auto burst oscillation operation reduces dissipation. input power p in 0.1w at no load ? standby input compensation ? overcurrent protection with ac input compensation function ? built-in soft start function ? built-in maximum on-time limitation circuit ? built-in leading edge blanking function ? avalanche energy guaranteed; two-chip structure (enabling the simplification of surge absorbing circuit) ? protection functions overcurrent protection (ocp) with input compensation function: pulse by pulse basis, low dependence on input voltage overload protection (olp); latched shutdown or auto restart overvoltage protection (ovp); latched shutdown package package name: to-220f-7l (fms207) application switching power supplies for ? digital appliance such as bd/dvd recorder, fpd tvs, etc. ? oa equipments such as printer ? home appliance (white goods) ? industry machines ? communication devices specification mosfet 650v, 1.8 (max) typical application circuit downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 2/ 11 absolute maximum ratings ? t he polarity value for current specifies a sink as "+," an d a source as "?," referencing the ic. ? unless otherwise specified, t a = 25 c item pin symbol ratings unit remark drain current 1 ? 2 i dpeak ( 1) 10.7 a single pulse maximum switching current 1 ? 2 i dmax ( 2) 10 .2 a ta= ? 20 to +125 c avalanche energy 1 ? 2 e as ( 3) 62 mj single pulse v dd =99v, l=20mh i lpeak =2.3a control power supply voltage 3 ? 2 v cc 32 v startup circuit pin voltage 1 ? 2 v startup ? 1.0 to v dss v adj pin inflowing current 7 ? 2 i adj 3.0 ma fb pin inflowing current 4 ? 2 i fb 8.0 ma bd pin inflowing current 5 ? 2 i bdin 2.0 ma bd pin inflowing current 5 ? 2 i bdout ? 2.0 ma ocp pin voltage 6 ? 2 v ocp ? 1.5 to +2.0 v mos fet power dissipation 1 ? 2 p d1 ( 4) 26 w by infinite radiator 1.3 w no radiator control power dissipation (mic) D p d2 0.8 w operating inner flame temperature D t f ? 20 to +115 c refer to recommended operating temperature operating ambient temperature D top ? 20 to +115 c storage temperature D tstg ? 40 to +1 25 c channel temperature D tch +150 c (1) refer to mos fet a.s.o. curve (2) regarding the maximum switching current the maximum switching current is drain current ic deter mined by inner drive voltage and mos fet vth. (3) refer to mos fet t ch -e as curve (4) refer to mos fet ta-p d1 curve downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 3/ 11 electrical characteristics electrical characteristics for control part ? the polarity value for current specifies a si nk as "+," and a source as "?," referencing the ic. ? unless otherwise specified, t a = 25 c, v cc = 20v characteristic pins symbol rating unit m i n t y p m a x power supply startup operation operation start voltage 3 ? 2 v cc (on) 14.4 16.2 18.4 v op eration stop voltage 3 ? 2 v cc (off) 9.0 10.0 11.3 v circuit current in operation 3 ? 2 i cc (on) D 3.5 5.5 ma circuit current in non-operation 3 ? 2 i cc (off) D 10 50 a startup circuit operation voltage 1 ? 2 v start(on) 55 82 100 v startup current 3 ? 2 i cc(startup) ? 2.4 ? 1.4 ? 0.5 ma startup current after olp operation 3 ? 2 i cc(startolp) ? 1.10 ? 0.50 ? 0.15 ma oscillation frequency 1 ? 2 f osc 17.5 21.0 25.0 khz soft start operation stop voltage 7 ? 2 v adj(ss) 2.0 2.3 2.6 v soft start operation charging current 7 ? 2 i adj(ss) ? 148 ? 110 ? 71 a power off threshold voltage 7 ? 2 v adj(off) 8.2 9.4 10.8 v normal operation bottom-skip operation threshold voltage 1 6 ? 2 v ocp(bs1) ? 0.720 ? 0.668 ? 0.605 v bottom-skip operation threshold voltage 2 6 ? 2 v ocp (b s2) ? 0.485 ? 0.435 ? 0.381 v bottom-skip operation threshold voltage 3 6 ? 2 v ocp(bs3) ? 0.205 ? 0.145 ? 0.085 v bottom-skip start voltage 7 ? 2 v adj(bs) 3.8 4.3 4.8 v bottom-skip detection bias current 7 ? 2 i adj(bs) ? 27 ? 20 ? 13 a bd pin maximum clamp voltage 5 ? 2 v bd(hc) D 6.3 D v bd pin minimum clamp voltage 5 ? 2 v bd(lc) D ? 0.075 D v quasi-resonant operation threshold voltage 1 5 ? 2 v bd(th1) 0.12 0.31 0.60 v quasi-resonant operation threshold voltage 2 5 ? 2 v bd(th2) 0.01 0.15 0.32 v maximum feedback current 4 ? 2 i fb(max) ? 315 ? 225 ? 135 a standby operation standby state detection voltage 4 ? 2 v fb(stbin) 1.40 1.63 1.85 v standby state start voltage 7 ? 2 v adj(stb) 5.7 6.2 6.8 v standby operation voltage 4 ? 2 v fb(stbop) 0.80 1.00 1.25 v minimum on-time (in steady state) 1 ? 2 t onl(min) 1.00 1.64 2.23 s minimum on-time (in input compensation) 1 ? 2 t onh(min) 0.56 1.00 1.44 s downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 4/ 11 characteristic pins symbol rating unit m i n t y p m a x protection operation maximum on C time 1 ? 2 t on(ma x) 31 36 41 s leading edge blanking time 1 ? 2 t on(leb) D 388 D ns overcurrent detection threshold voltage (in steady state) 6 ? 2 v ocp(h) ? 0.975 ? 0.930 ? 0.875 v overcurrent detection threshold voltage (in input compensation) 6 ? 2 v ocp(l) ? 0.904 ? 0.780 ? 0.656 v ocp pin leakage current 6 ? 2 i ocp(o) ? 260 ? 130 ? 40 a input compensation detection threshold current 1 5 ? 2 i bd(th1) ? 575 ? 500 ? 425 a input compensation detection threshold current 2 5 ? 2 i bd(th2) ? 565 ? 450 ? 375 a olp bias current 4 ? 2 i fb(olp) ? 27 ? 20 ? 13 a olp auto restart threshold voltage 4 ? 2 v fb(olpauto) 6.3 6.7 7.3 v olp latched shutoff bias current 4 ? 2 i fb(olpla.off) ? 1.5 ? 1.0 ? 0.5 ma olp latched shutoff threshold voltage 4 ? 2 v fb(olpla.off) 8.6 9.6 10.2 v ovp operation power supply voltage 3 ? 2 v cc(ovp) 26 .0 28.5 31.0 v latch circuit release power supply voltage * 3 ? 2 v cc (la.off) 6.2 7.5 8.9 v maximum voltage in feedback control 4 ? 2 v fb (max) 4.90 5.45 6.00 v thermal shutdown operation temperature D t j(tsd) 135 D D c * the latch circuit means a circuit operated by ovp or ol p. electrical characteristics for mosfet part ? unless otherwise specified, t a = 25 c, characteristic pins symbol rating unit m i n t y p m a x voltage between drain and sour ce 1 ? 2 v dss 650 D D v drain leakage current 1 ? 2 i dss D D 300 a on resistance 1 ? 2 r ds(on) D D 1.8 switching time 1 ? 2 t f D D 500 ns thermal resistance* D ch -f D 1.0 2.0 c /w *between channel and inner frame downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 5/ 11 STR-Y6453 a.s.o. ????S a.s.o. temperature derating coefficient curve 0 20 40 60 80 100 0 25 50 75 100 125 150 ??? t f [ ] internal frame temperature a.s.o. ????S [%] a.s.o. temperature derating coefficient 115 STR-Y6453 mos fet a.s.o. ta=25 curve 0.1 1 10 100 10 100 1000 ??g?R drain-to-source voltage i d drain current v ds v 0.1ms 1 ms ? ? ? drain current limt by on resistance ?H ??` S aso ??` ? aso temperature derating shall be made by obtaining aso coeffcient from the left curve in your use. ???? single pu se st r-y6453 mosfet t a-p d1 curve 0 5 10 15 20 25 30 0 25 50 75 100 125 150 ? ta ambient temperature S?p?p d1 power dissipation o?? with infinite heat sink ? without heat sink 1.3 26.0 115 STR-Y6453 ??? avalanche energy derating curve 0 20 40 60 80 100 25 50 75 100 125 150 ? tch [ ] channel temperature e as ????S [%] e as temperature derating coefficient downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 6/ 11 t-y ^?? STR-Y6453 transient thermal resistance curve 0.001 0.01 0.1 1 10 0.000001 0.00001 0.0001 0.001 0.01 0.1 rg [s] time ^?? - [/w] transient thermal resistance downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 7/ 11 black diagram uvlo reg/iconst latch ad j/ss logic drv bd ocp fb /stb d/startup s/gnd fb ocp bd vcc adj 1 3 2 5 4 6 7 startup osc uvlo reg/iconst latch ad j/ss logic drv bd ocp fb /stb d/startup s/gnd fb ocp bd vcc adj 1 3 2 5 4 6 7 startup osc pin function description pin no. symbol name function 1 d/startup drain / startup c ir cuit input p in mosfet drain and startup circuit input 2 s/gnd source/ ground p in mosfet source and ground 3 v cc power supply p in input for power supply for control circuit 4 fb feedback p in input for constant voltage control signal/ standby control/ over load detection signal 5 bd bottom detection/ input compensation detection p in input for bottom detection signal/ input compensation detection signal 6 ocp overcurrent protection input p in input for overcurrent detection signal/ bottom skip signal detection signal 7 adj adjust p in soft start operation/ delay time setting of bottom skip / input for remote on/off signal downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 8/ 11 typical application circuit downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 9/ 11 package b a r t s ?? no.3001 ?| : cu r-end 10.4 0.5 15 0.3 +0.2 -0.1 7-0.55 7-0.62 ? =5.85 0.15 5 p1.17 0.15 1 2 3 4 5 6 7 2 0.15 0.5 ? 0.15 2.8 0.2 10 0.2 r-end 4.2 0.45 ? 0.2 0.5 0.5 0.5 0.5 ?B ?B 5 0.5 (5.4) 3.2 0.2 2.6 0.1 5 0.5 (5.4) +0.2 -0.1 2.54 0.6 5.08 0.6 ( ?? ) ( ?? ) 3-(r1) b. 1 ? 2 u 1 9 10 o 11 n 12 d 3 4 u 01 31 5 ? a. ?? y6476 u? : s 2.2g ?I : ni ?? g : mm ? 0.3max k??? ?? note lead forming gate burr between roots between roots between tips between tips between roots planar state side view pi n material: cu pin treatment: ni plating and solder dip product weight (approximate): 2.3g note D - D part shows the point gate burr (height 0.3 max) occurred dimensions in millimeters a. part number y6453 b. lot number 1 st letter : the last digit of year 2 nd le tter : month jan. to sep. arabic number oct. o nov. n dec. d 3 rd & 4 th letter : day 01 -31 arabic numbers 5 th letter: sanken management symbol downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 10/ 11 operating precautions in the case that you use sanken products or design your products by using sanken products, 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 ra nge 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 e lectric stresses such as electric voltage, electric curr ent, electric power etc., environmental stresses such as ambient temperature, humi dity etc. and thermal stress caused due to self-heating of semiconductor products. for these stresses, instantaneous values, maximum values and minimum values must be taken into consideration. in addition, it should be noted that since pow er devices or ics including power devices have large self -heating value, the degree of derating of junction temperature affec ts the reliability significantly. because reliability can be affected adversely by improper storage environments and handling methods, please observe the following cautions. cautions for storage ? ensure that storage conditions comply with the standard temperature (5 to 35c) and the standard relative humidity (around 40 to 75%) ; avoid storage locations that experience extreme changes in te mperature or humidity. ? avoid locations where dust or harmful gases are present an d avoid direct sunlight. ? reinspect for rust on leads and solderability of the produc ts that have been stored for a long time. cautions for testing and handling when tests are carried out during inspection testing and oth er standard test periods, protect the products from power surges from the testing device, shorts between the product pins, and wrong connections. ensure all test parameters are wi thin the ratings specified by sanken for the products. remarks about using silicone grease with a heatsink ? when silicone grease is used in mounting the products on a heatsink, it shall be applied evenly and thinly. if more silicone grease than required is applied, it may produce e xcess stress. ? volatile-type silicone greases may crack after long pe riods of time, resulting in reduced heat radiation effect. s ilicone greases with low consistency (hard grease) may cause crac ks in the mold resin when screwing the products to a heat sink. our recommended silicone greases for heat radiation purpo ses, which will not cause any adverse effect on the pro duct life, are indicated below: type suppliers g746 shin-etsu chemical co., ltd. yg6260 momentive performance materials inc. sc102 dow corning toray co., ltd. cautions for mounting to a heatsink ? when the flatness around the screw hole is insufficien t, such as when mounting the products to a heatsink that has an extruded (burred) screw hole, the products can be damaged, ev en with a lower than recommended screw torque. for mounting the products, the mounting surface flatness sho uld be 0.05mm or less. ? please select suitable screws for the product shape. do n ot use a flat-head machine screw because of the stress to the products . self-tapping screws are not recommended. when using self -tapping screws, the screw may enter the hole diagonally, not vertically, depending on the conditions o f hole before threading or the work situation. that may stre ss the products and may cause failures. ? recommended screw torque: 0.588 to 0.785 n ? m (6 to 8 kgf ? cm). ? for tightening screws, if a tightening tool (such as a dri ver) hits the products, the package may crack, and internal stress fractures may occur, which shorten the lifetime of th e electrical elements and can cause catastrophic failur e . tightening with an air driver makes a substantial impact. in additio n, a screw torque higher than the set torque can be applied a nd the package may be damaged. therefore, an electric driver is recommended. when the package is tightened at two or more places, fi rst pre-tighten with a lower torque at all places, then tight en with the specified torque . when using a power driver, torque control is mandatory. soldering ? when soldering the products, please be sure to minimize t he working time, within the following limits: ? 260 5 c 10 1 s (flow, 2 times) ? 380 10 c 3.5 0.5 s (soldering iron, 1 time) ? soldering should be at a distance of at least 1.5 mm fr om the body of the products. downloaded from: http:///
power ic for quasi-resonant type switching power supply with high efficiency, low noise and low standby power in full load range str - y6 453 sanken electric co., ltd. sep, 2013 11 / 11 electrostatic discharge ? when handling the products, the operator must be grounded. grounded wrist straps worn should have at least 1m of resistance from the operator to ground to prevent shock hazard, and it should be placed near the operator. ? workbenches where the products are handled should be grounde d and be provided with conductive table and floor mats. ? when using measuring equipment such as a curve tracer, the e quipment should be grounded. ? when soldering the products, the head of soldering irons or the solder bath must be grounded in order to prevent leak voltages generated by them from being applied to the products . ? the products should always be stored and transported in san ken shipping containers or conductive containers, or be wrapped in aluminum foil. important notes ? the contents in this document are subject to changes, for i mprovement and other purposes, without notice. make sure that this is the latest revision of the document befor e use. ? application and operation examples described in this document are quo ted for the sole purpose of reference for the use of the products herein and sanken can assume no responsibilit y for any infringement of industrial property rights, intellectual property rights or any other rights of san ken or any third party which may result from its use. unles s otherwise agreed in writing by sanken, sanken makes no warranti es of any kind, whether express or implied, as to the products, including product merchantability, and fitness for a particular purpose and special environment, and the information, including its accuracy, usefulness, and re liability, included in this document. ? although sanken undertakes to enhance the quality and reliab ility of its products, the occurrence of failure and defec t of semiconductor products at a certain rate is inevitable. users of sanken products are requested to take, at their own ri sk, preventative measures including safety design of the equipme nt or systems against any possible injury, death, fires or damages to the society due to device failure or malfuncti on. ? 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 e quipment, telecommunication equipment, measuring equipment, etc.). when considering the use of sanken products in the applicat ions where higher reliability is required (transportation equipment and its control systems, traffic signal contro l systems or equipment, fire/crime alarm systems, vario us safety devices, etc.), and whenever long life expectancy is re quired even in general purpose electronic equipment or appara tus, please contact your nearest sanken sales representative to discuss, 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 reliabili ty is required (aerospace equipment, nuclear power control systems, life support systems, etc.) is strictly prohibited. ? when using the products specified herein by either (i) comb ining other products or materials therewith or (ii) physical ly, chemically or otherwise processing or treating the pro ducts, please duly consider all possible risks that may result from all such uses in advance and proceed therewith at your own responsibility. ? anti radioactive ray design is not considered for the pr oducts listed herein. ? sanken assumes no responsibility for any troubles, such as dropping products caused during transportation out of sankens distribution network. ? the contents in this document must not be transcribed or copi ed without sankens written consent. downloaded from: http:///

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