View STR-W6253D_5498234.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

drv d/st vcc leb s/ocp tsd pwm osc reg fb 15.5 v/ 8.9 v d ma x 75% 28.5 v 7.8 v gnd fm/elp 160 a r sq sq r 7.1 v slope compensation drain peak current compensation vreg startup i startup =1.6 ma s2 q ck s1 r olp t olp = t fm 32 frequency modulation rq s uvlo elp rst 7.1 v ovp feedback control ocp 12 v STR-W6253D description the str-w6200d series are current-mode pwm ics that incorporate controller chips. these devices are manufactured using a proprietary high-voltage bcd process, and avalanche- guaranteed mosfets. these elements allow power supply systems designs that are highly reliable and simple, with fewer peripheral components. these ics also provide auto-burst mode operation, which lowers input power requirements at light loads, and improves efficiency over the entire load range and universal-input range. applicatons include: ? tv set top box ? lcd pc monitor, lcd tv ? printer, scanner ? general consumer, pc, and industrial applications requiring smps power supply with standby mode features and benefits ? overcurrent protection (ocp) with ac input voltage compensation function; no additional peripheral circuits required?minimizes dependency of ocp on ac input ? overload protection (olp) with integrated timer reduces power stress (temperature rise) at overload condition, requires no peripheral components ? avalanche-guaranteed mosfet improves device capability of withstanding excess surge voltage, providing a simple surge absorber circuit without breakdown voltage derating ? start-up circuit eliminates the need for a start-up resistor, and helps to reduce input power consumption 60 w-universal input/90 w-230 vac input pwm switching regulators functional block diagram package: to-220 not to scale continued on the next page? 28103.53
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 2 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com ? bias assist function improves start-up performance by self- biasing the vcc pin, and allows a use of a small value vcc capacitor, resulting in improved response to overvoltage conditions ? very low current consumption in nonoperating (uvlo) state: i cc(off) = 5 a (typical) at v cc = 13.8 v ? slope compensation circuit stabilizes operation, preventing interference from subharmonics ? leading edge blanking ? various protections: ? overcurrent protection (ocp), pulse-by-pulse sensing ? overload protection (olp), auto restart after certain duration ? external latch protection (elp), latched ? overvoltage protection (ovp), latched ? thermal shut down (tsd), latched ? externally-activated shut down protection (elp) for emergency system shut down ? auto-burst standby function (pin < 0.1 w at zero output load condition) ? audible noise reducing function in standby mode ? to-220 full-molded package with 6 pins features and benefits (continued) selection guide part number packing strw6253d 50 pieces per tube pin-out diagram all performance characteristics given are typical values for circuit or system baseline design only and are at the nominal operating voltage and an ambient temperature, t a , of 25c, unless oth er wise stated. terminal list table number name description functions 1 d/st drain/startup terminal mosfet drain and input of start-up signal 2 nc clipped no connection 3 s/ocp source/overcurrent protection terminal mosfet source and input of overcurrent detection signal 4 vcc power supply terminal input of power supply for control circuit 5 gnd ground terminal ground 6 fb feedback terminal input of constant voltage control signal 7 fm/elp frequency jittering and external latch protection terminal control input for frequency jittering control and external latch protection 1234567
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 3 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com absolute maximum ratings at t a = 25c characteristic symbol terminal note rating unit drain current 1 i dpeak 1-3 single pulse 10 a maximum switching current 2 i dmax 1-3 t a = ?20 to 125c 10 a single pulse avalanche energy 3 e as 1-3 single pulse 86 mj i dpeak 1-3 v dd = 99 v, l = 20 mh 2.7 a s/ocp terminal voltage v ocp 3-5 ?2 to 6 v fm/elp terminal voltage v fm 7-5 ?0.3 to 12 v fm/elp terminal inflow current i fm 7-5 3 ma fb terminal voltage v fb 6-5 ?0.3 to 9 v controller (mic) input voltage v cc 4-5 0 to 32 v mosfet power dissipation 4 p d1 8-1 with infinite heatsink 27.5 w without heatsink 1.3 w controller (mic) power dissipation p d2 5-3 for vccicc 0.8 w operating internal frame temperature t f ? refer to t op ?20 to 115 c operating ambient temperature t op ? ?20 to 115 c storage temperature t stg ? ?40 to 125 c channel junction temperature t j ? 150 c 1 refer to figure 1 2 i dmax is the drain current on the d/st pin determined by the drive voltage of the ic and the threshold voltage, v th , of the mosfet 3 refer to figure 3 4 refer to figure 4 temperature, t f (c) safe operating area temperature derating coefficient (%) 0 20 40 60 80 100 0 255075100125150 drain-to-source voltage, v ds (v) drain current, i d (a) 10.00 0.10 1.00 0.01 100.00 10 100 1000 1 1 ms 0.1 ms current limit due to r ds(on) refer to figure 1 for mosfet soa temperature derating coefficient figure 1 ? mosfet safe operating area derating curve figure 2 ? mosfet safe operating area drain current versus voltage at t a = 25c, single pulse
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 4 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com channel junction temperature, t j (c) e as temperature derating coefficient (%) 0 20 40 60 80 100 25 50 75 100 125 150 time, t (s) transient thermal resistance, r q jc (c/w) 1.00 0.10 0.01 10.00 100 10 10m 1m 100m 1 ambient temperature, t a (c) power dissipation, p d1 (w) 0 5 10 15 20 25 30 0 20 40 60 80 100 120 140 160 p d1 = 1.3 w at t a 25c without heatsink with infinite heatsink p d1 = 26 w at t a 25c figure 3 ? mosfet avalanche energy derating curve figure 4 ? transient thermal resistance figure 5 ? mosfet power dissipation versus temperature
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 5 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com electrical characteristics valid at v cc = 18 v, t a = 25c, unless otherwise specified characteristic symbol terminal test conditions min. typ. max units power supply start-up operation operation start voltage v cc(on) 4-5 (vcc voltage at which operation starts) measurement circuit 1, v cc = 0 through 13.9 through 17.1 v 13.9 15.5 17.1 v operation stop voltage v cc(off) 4-5 (vcc voltage at which operation stops) measurement circuit 1, v cc = 17.1 through 9.8 to 8.0 v 8.0 8.9 9.8 v circuit current in operation i cc(on) 4-5 (inflow current into vcc terminal in oscillation) measurement circuit 1 ? 1.4 2.8 ma circuit current in non-oscillation i cc(stop) 4-5 (inflow current into vcc terminal at v fb = 0 v) measurement circuit 1 ? 0.8 1.3 ma circuit current in non-operation i cc(off) 4-5 (inflow current into vcc terminal prior to oscillation) measurement circuit 1, v cc = 13.8 ?520 a start-up current i startup 4-5 (inflow current into d/st terminal) measurement circuit 7, v cc = 0, d/st = 450 v ?0.9 ?1.6 ?2.3 ma bias assist voltage v bias 4-5 (vcc voltage at which i startup starts, and i startupbias begins) measurement circuit 7, v cc = 17.1 through 13.6 to 16.8 v 13.6 15.2 16.8 v operating characteristics fm/elp high threshold voltage v fm(h) 7-5 (fm/elp terminal voltage at which i fm changes from ?13 a to 13 a) measurement circuit 2 4.0 4.5 5.0 v fm/elp low threshold voltage v fm(l) 7-5 (fm/elp terminal voltage at which i fm changes from 13 a to ?13 a) measurement circuit 2 2.4 2.8 3.2 v fm/elp voltage hysteresis v fmhys 7-5 (v fm(h) ? v fm(l) ) measurement circuit 2 1.4 1.7 1.8 v fm/elp outflow current 1 i fmsrc 7-5 (fm/elp terminal outflow current at v fm = v fm(l) ) measurement circuit 2 ?17.4 ?13 ?8.6 a fm/elp inflow current 1 i fmsink 7-5 (fm/elp terminal inflow current at v fm = v fm(h) ) measurement circuit 2 8.6 13 17.4 a average switching frequency f osc(av) 1-5 (d/st terminal average oscillation frequency) measurement circuit 2 60 67 74 khz frequency jitter deviation ? f 1-5 f osc (peak-to-peak) measurement circuit 2 4.8 6.9 9 khz maximum duty cycle d max 1-5 (maximum width of the low portion of the d/st terminal waveform) measurement circuit 2 71 75 79 % fb maximum feedback current 1 i fb(max) 6-5 (fb terminal outflow current at v fb = 0 v) measurement circuit 3 ?220 ?160 ?100 a burst threshold voltage v burst(th) 6-5 set v fm = 0 v and decrease v fb (v burst(th) is the fb terminal voltage level at which d/st changes from low to high) measurement circuit 3 0.99 1.10 1.21 v slope compensation start-up duty cycle d slp 6-5 d slp = ( t 3 / t 4) 100 (see figure for measurement circuit 4 for values of t) measurement circuit 4 ?27? % slope compensation rate slp 6-5 slp = 0.02 / ( t 2 ? t 1) (see figure for measurement circuit 4 for values of t) measurement circuit 4 ?22 ?17 ?12 mv/ s continued on next page?
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 6 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com protection operation ocp threshold voltage at zero duty cycle (0% on-duty) v ocp1 3-5 set v fm = 0 v and increase v ocp. (v ocp1 is the s/ocp terminal voltage level at which d/st changes from low to high) measurement circuit 5 0.71 0.78 0.86 v drain peak current compensation coefficient d pc ?d pc = ?0.75 slp / f osc(av) 1.5 1.9 2.3 mv/ dc% ocp threshold voltage after compensation v ocp2 3-5 v ocp2 = d pc d max + v ocp1 0.82 0.93 1.04 v leading edge blanking time t blank 1-5 (the low portion of the d/st terminal waveform at v ocp = 2 v) measurement circuit 5 280 400 520 ns olp delay time t olp 1-5 (time between setting fb terminal open and when oscillation stops) measurement circuit 6 ? 200 ? ms circuit current in olp-operation i cc (olp) 4-5 (inflow current into vcc terminal after olp operation) measurement circuit 6 ? 410 700 a ovp protection voltage v cc(ovp) 4-5 (vcc terminal voltage at which the voltage of d/st terminal is switched from low to high by decreasing v fb after setting v fm = 0 v) measurement circuit 1, v cc = 18.0 v through 27 to 30 v 27 28.5 30 v latch circuit sustaining current 2 i cc(la.h) 4-5 (inflow current into vcc terminal after ovp operation) measurement circuit 1, v cc = 8 v ? 140 220 a latch circuit release voltage 2 v cc(la.off) 4-5 (vcc voltage at which i cc is dropped below 20 a by decreasing v cc after ovp operation) v cc = 31.0 v through 7.8 to 6.4 v 6.4 7.1 7.8 v elp threshold voltage v elp 7-5 (fm/elp terminal voltage at which the oscillation of the d/st terminal waveform is stopped by increasing v fm ) measurement circuit 2 6.4 7.1 7.8 v inflow current at external latch protection i elp 7-5 (inflow current at v fm = v elp ) measurement circuit 2 ? 55 100 a thermal shut down operating temperature t jtsd ? 135 ? ? c power mosfet characteristics drain-to-source breakdown voltage v dss 1-3 i d = 300 a, measurement circuit 8 650 ? ? v drain leakage current i dss 1-3 v d = 650 v, measurement circuit 7 ? ? 300 a on-resistance r ds(on) 1-3 i d = 1.2 a, v fm = 0 v measurement circuit 10 ? ? 1.9 switching time t r 1-3 measurement circuit 9 ? ? 400 ns thermal resistance r j-f ? measured between junction and internal frame ? ? 1.75 c/w single pulse avalanche energy e as ? measurement circuit 11 ? ? ? ? 1 input and output current polarity at the device pin; plus(+) represents sink and minus(?) represents source. 2 the latch circuit means a circuit operated elp, ovp, and tsd. electrical characteristics, continued, valid at v cc = 18 v, t a = 25c, unless otherwise specified characteristic symbol terminal test conditions min. typ. max units
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 7 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 13.8v v cc(on) v cc(off) 18v i cc(off) v cc v d i cc v ccc(la.off) 8v i cc(la.h) i cc(stop) 32v v d v fm v fml v fmh v lfm +(v fmh -v fml )/2 i fm f osc(av) t1 i snk(fm) f osc(hi) f osc(lo) t2 n f =f osc(hi)-f osc(lo) n dmax= t2/ t1 100 i src(fm) 0 a 4.5vtyp 2.8vtyp v elp 1 f v cc 100 a + i cc v dd 10v v d 100 v dd 10v v d a i fm v fm 18v 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 100 v dd 10v v d a i fb v fb v fm 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 i cc(on) v fb 5v v fb v fm v fm v cc(ovp) 2v 3.65v 0v 1 f v cc + 18v 1 f v cc + 0v 0v v cc 18v v fb 0v v fb 5v v fm vburst v fb v d 0v i fb(max) -i fb v hys 5v 0v v cc 18v v off(fm) i elp i fb(min) 5v 5v 0v 5v 5v measurement circuit 1 measurement circuit 2 measurement circuit 3
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 8 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com measurement circuit 4 measurement circuit 6 measurement circuit 5 v d v ocp v ocp1 v d(lo) t blank 0v 2v v fm v d i cc 100 v dd 10v v d t olp (= t fm ? 16) i cc(olp) t fm d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 v fm 5v 0v 3.65v 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 v fb 7.8 v typ v fb v fm 18v 1 f v cc + v ocp 100 v dd 20v v d 1 v fm 47nf 1 f v cc a + i cc 18v v cc 18v v cc 18 v sw on off sw 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 v fb 4v v fm 18v 1 f v cc + v ocp 100 v dd 10v v d v fb v d 4v v ocp internal feedback signal v1-0.04v v1-0.02v t1 t2 t4 0.68v v cc 18v v fm 3.65v 5v t3 t5( t blank ) n d slp = t3 / t4 ? 100 n s lp = 0.02 / (t2-t1) v1 v ocp2 = (?0.75 slp d max / f osc(av) ) + v ocp1
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 9 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 10v 90% 10% tr v dd a i d i d v d v 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 v d 100 v dd 10v v d 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 r ds(on) =v d(lo) /0.6 1 f v cc + v fm v fm 47nf 18v 1 f v cc + v fm 47nf 18v 1 f v cc + v d v d(lo) d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 v fm 5v 0v v fm 18v 1 f v cc + 1 i d v d v 0.6a v cc 18v a i cc 300 a v dd v cc i d 650v 13v i dss v fm 18v 5v v bias 0v 0v 400v i startup i cc measurement circuit 7 measurement circuit 8 measurement circuit 9 measurement circuit 10
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 10 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com typical application circuit 1 4 3 7 5 6 vcc d/st fm / elp str -w 6200d s/ocp vi in ( ac) gnd out gnd fb option measurement circuit 11 l v ds vcc 18v v gs 8v v ds i l v dspeak v dd t v dd v gs 1 d/st s/ocp vcc gnd fb fm/ elp str-w6200d 3 4 5 6 7 4 6 18v 1 f v cc +
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 11 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com 10.0 0.2 4.2 0.2 2.8 0.2 ?3.2 0.2 2.6 0.1 (2r 1) terminal dimension at case surface 5.08 0.6 1.74 +0.2 ?0.1 1.34 +0.2 ?0.1 0.45 +0.2 ?0.1 16.9 0.3 10.4 0.5 5.0 0.5 7.9 0.2 4 0.2 2.8 max (5.4) gate burr branding xxxxxxxx xxxxxxxx gate burr: 0.3 mm (max.) terminal core material: cu terminal treatment: ni plating and solder dip heat sink material: cu heat sink treatment: ni plating leadform: 2003 weight (approximate): 2.3 g dimensions in millimeters drawing for reference only branding codes (exact appearance at manufacturer discretion): 1st line, type: w6253 2nd line, lot: ymdd r where: y is the last digit of the year of manufacture m is the month ( 1 to 9, o, n, d ) dd is the 2-digit date r is the manufacturer registration symbol 1234567 terminal dimensions at case surface 6p1.27 0.15 = 7.62 0.15 terminal dimension at lead tips package dimensions, to-220 leadframe plating pb-free. device composition complies with the rohs directive.
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 12 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com packing specifications minimum packing option: tube fm-205 e shipping tube dimensions: wall thickness: 0.60.3 mm wall warp: <2 mm material: hardened polyvinyl coating: antistatic tolerance 0.4 mm, unless otherwise specified all dimensions: mm side marked antistatic (3.6) (15.4) 9 r0.6 5.1 2.85 14.3 8.9 35.0 1.4 9.5 +0.3 ?0.1 4.8 +0.4 0 1.3 +0.3 ?0.2 shipping carton dimensions: capacity: 1800 pieces maximum per carton 36 tubes per carton 3 rows, 12 tubes per row spacer carton (side view) spacer tube 6 2 0 125 1 8 5 tube
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 13 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com because reliability can be affected adversely by improper storage environments and handling methods, please observe the followi ng cautions. cautions for storage ? ensure that storage conditions comply with the standard temperature (5c to 35c) and the standard relative humidity (around 40 to 75%); avoid storage locations that experience extreme changes in temperature or humidity. ? avoid locations where dust or harmful gases are present and avoid direct sunlight. ? reinspect for rust in leads and solderability of products that have been stored for a long time. cautions for testing and handling when tests are carried out during inspection testing and other standard test periods, protect the products from power surges f rom the testing device, shorts between adjacent products, and shorts to the heatsink. remarks about using silicone grease with a heatsink ? when silicone grease is used in mounting this product on a heatsink, it shall be applied evenly and thinly. if more silicone gr ease than required is applied, it may produce stress. ? volatile-type silicone greases may produce cracks after long periods of time, resulting in reduced heat radiation effect. silic one grease with low consistency (hard grease) may cause cracks in the mold resin when screwing the product to a heatsink. ? our recommended silicone greases for heat radiation purposes, which will not cause any adverse effect on the product life, are indicated below: type suppliers g746 shin-etsu chemical co., ltd. yg6260 toshiba silicone co., ltd. sc102 dow corning toray silicone co., ltd. soldering ? when soldering the products, please be sure to minimize the working time, within the following limits: 2605c 10 s 3505c 3 s ? soldering iron should be at a distance of at least 1.5 mm from the body of the products electrostatic discharge ? when handling the products, operator must be grounded. grounded wrist straps worn should have at least 1 m of resistance to ground to prevent shock hazard. ? workbenches where the products are handled should be grounded and be provided with conductive table and floor mats. ? when using measuring equipment such as a curve tracer, the equipment should be grounded. ? when soldering the products, the head of soldering irons or the solder bath must be grounded in other to prevent leak voltage s generated by them from being applied to the products. ? the products should always be stored and transported in our shipping containers or conductive containers, or be wrapped in al uminum foil. assembly ? during soldering or other operations, the interior frame temperature of the device should never exceed 105c. ? recommended screw torque through the mounting tab is 0,588 to 0.785 n ? m (6 to 8 kgf ? cm) warning ? these devices are designed to be operated at lethal voltages and energy levels. circuit designs that embody these components must conform with applicable safety requirements. pre cau tions must be taken to prevent accidental contact with power-line potentials. do not connect ground ed test equipment. the use of an isolation transformer is recommended during circuit development and breadboarding.
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 14 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com the products described herein are manufactured in ja pan by sanken electric co., ltd. for sale by allegro microsystems, inc. sanken and allegro reserve the right to make, from time to time, such de par tures from the detail spec i fi ca tions as may be re quired to per mit im- prove ments in the per for mance, reliability, or manufacturability of its prod ucts. therefore, the user is cau tioned to verify that the in for ma tion in this publication is current before placing any order. when using the products described herein, the ap pli ca bil i ty and suit abil i ty of such products for the intended purpose s hall be reviewed at the users responsibility. although sanken undertakes to enhance the quality and reliability of its prod ucts, the occurrence of failure and defect of sem i con duc tor products at a certain rate is in ev i ta ble. users of sanken products are requested to take, at their own risk, preventative measures including safety design of the equipme nt or systems against any possible injury, death, fires or damages to society due to device failure or malfunction. sanken products listed in this publication are designed and intended for use as components in general-purpose electronic equip ment or apparatus (home ap pli anc es, office equipment, tele com mu ni ca tion equipment, measuring equipment, etc.). their use in any applicat ion requiring radiation hardness assurance (e.g., aero space equipment) is not supported. when considering the use of sanken products in ap pli ca tions where higher reliability is re quired (transportation equipment and its control systems or equip ment, fire- or burglar-alarm systems, various safety devices, etc.), contact a company sales representative to discuss and obtain written confirmation of your spec i fi ca tions. the use of sanken products without the written consent of sanken in applications where ex treme ly high reliability is required (aerospace equip- ment, nuclear power-control stations, life-support systems, etc.) is strictly prohibited. the information in clud ed herein is believed to be accurate and reliable. ap pli ca tion and operation examples described in this pub li ca tion are given for reference only and sanken and allegro assume no re spon si bil i ty for any in fringe ment of in dus tri al property rights, intellectual property rights, or any other rights of sanken or allegro or any third party that may result from its use. copyright ? 2006-2007 allegro microsystems, inc. this datasheet is based on sanken datasheet sse23678
60 w-universal input/90 w-230 vac input pwm switching regulators STR-W6253D 15 allegro microsystems, inc. 115 northeast cutoff, box 15036 worcester, massachusetts 01615-0036 (508) 853-5000 www.allegromicro.com asia-pacific china sanken electric hong kong co., ltd. suite 1026, ocean centre canton road, tsimshatsui kowloon, hong kong tel: 852-2735-5262, fax: 852-2735-5494 sanken electric (shanghai) co., ltd. room 3202, maxdo centre xingyi road 8, changning district shanghai, china tel: 86-21-5208-1177, fax: 86-21-5208-1757 taiwan sanken electric co., ltd. room 1801, 18th floor 88 jung shiau east road, sec. 2 taipei 100, taiwan r.o.c. tel: 886-2-2356-8161, fax: 886-2-2356-8261 japan sanken electric co., ltd. overseas sales headquarters metropolitan plaza building 1-11-1 nishi-ikebukuro, toshima-ku tokyo 171-0021, japan tel: 81-3-3986-6164, fax: 81-3-3986-8637 korea sanken electric korea co., ltd. samsung life yeouido building 16f 23-10, yeouido-dong, yeongdeungpo-gu seoul 150-734, korea tel: 82-2-714-3700, fax: 82-2-3272-2145 singapore sanken electric singapore pte. ltd. 150 beach road, #14-03 the gateway west singapore 189720 tel: 65-6291-4755, fax: 65-6297-1744 europe sanken power systems (uk) limited pencoed technology park pencoed, bridgend cf35 5hy, united kingdom tel: 44-1656-869-100, fax: 44-1656-869-162 north america united states allegro microsystems, inc. 115 northeast cutoff worcester, massachusetts 01606, u.s.a. tel: 1-508-853-5000, fax: 1-508-853-7895 allegro microsystems, inc. 14 hughes street, suite b105 irvine, california 92618, u.s.a. tel: 1-949-460-2003, fax: 1-949-460-7837 worldwide contacts

▲Up To Search▲

Price & Availability of STR-W6253D

	To Download STR-W6253D Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .