|
If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
Datasheet File OCR Text: |
april 2 011 ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 1 fsbh0f70a_f116, fsbh0170/0270/0370_f116 ? gr een mode fairchild power switch (fps?) fsbh0f70a _f116, fsbh0170_f116, fsbh0270_f116, fsbh0370_f116 green mode fairchild power switch (fps?) features ? bro w n out protection w i t h h y s t eresis ? built-in 5ms so ft-start f unctio n ? internal ava l a n che-rugg ed 7 00v sensef et ? lo w aco u stic noise d u ri ng l i ght-l oad op er ation ? high-v o lta ge s t artup ? lin earl y d e cre a sin g pw m f r equ enc y to 18 khz ? peak-c urrent- m ode c ontrol ? c y c l e-b y - c ycle current lim i tin g ? leading -edge blank ing (leb) ? s y nc hro n ize d slop e comp en sation ? internal ope n - loo p protectio n ? v dd und e r-volt age l o cko ut (uvlo) ? v dd over-volta ge protectio n (ovp) ? internal aut o -restart circuit (ovp, o t p) ? consta nt po w e r limit (f ull ac input ran ge) ? internal ot p sensor w i t h h y s t eresis ? vin pin for pull -high latch f unctio n an d pull-low auto -recov er y pr otection applications genera l -pur po se s w itc h e d -m ode p o w e r s u p p lies and fl y b ack po w e r converters, inc l udi ng: ? auxili ar y po w e r suppl y for pc and server ? smps for vcr, svr, s t b , d v d & dvcd play er, printer, facsimile, an d scan n e r ? adapter for ca mcorder description t he highl y i n tegrated f s b h -series c ons ists of an integr ated curr ent-mod e puls e w i dth mod u l a tor (pw m) and an av al anch e -rug g e d 700v s ens ef et . it is specific all y d e sig ned for high-p e rform ance offlin e sw i t ch ed -mo de po w e r su ppl i e s (smps) w i th minimal ext e rna l comp one nts. t he integrate d pw m controller featur es includ e a propri e tar y gre en-mo de function that provi d es off-time modu latio n to line a rl y decre a se the s w itc h in g freque nc y at lig ht-loa d cond itions t o minimiz e sta ndb y po w e r consum ption. t o avoid aco u stic-no i se pr obl ems, the minimum pw m frequenc y i s set above 18khz. t h is gree n-mod e function e nab les the po w e r sup p l y to me et intern ation a l po w e r conser vation re quir e ments. t he pw m controller is manufac tured usin g the bicmos process to fu rther red u ce po w e r cons u m ption. t h e fsbh-series turns off some in tern al circuits to improve p o w e r sa vi ng w hen v fb is lo w e r than 1.6v, w h ich all o w s an op erati ng c u rrent of onl y 2 . 5ma. t he f sbh-series h a s bu il t-in s y nchr oni zed sl op e compe n satio n to achieve stable p eak-c urrent-mo de control. t he propri e tar y e xternal li ne co mpens ation ensur es co nstant out put p o w e r lim it over a w i de a c inp u t voltag e rang e, from 90 v ac to 264v ac . t he f sbh-series provi des m a n y pr otectio n functions. i n add ition to c y cle-b y -c ycl e cu rrent limitin g, the internal ope n-lo op pr otection circu i t ensur es safety w h en a n open-lo op or output short occurs. pwm output is disa ble d unti l v dd dro p s be l o w the v th - o l p , then the control l er starts up agai n. as long as v dd exce eds 28v, the internal ovp circuit is triggered. comp ared w i t h a discrete mosf et and controller or rcc s w itc h i n g conv erter s o luti on, the f sbh-series reduc es comp one nt count, desi gn size, and w e ight; w h il e incre a si ng efficienc y, productivit y , and s y stem relia bi lit y . t hese devic es provi de a bas ic pl atform that is w e ll s u ite d for the desi g n of cost-effective fl ybac k converters, suc h as in pc au xi liar y p o w e r su p p lies. http://
? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 2 fsbh0f70a_f116, fsbh0170/0270/ 0370_f116 ? green mode fairch ild power switch (fps?) ordering information part number sensefet vin pin (pin #4) opera t ing tempera t ure range packag e packing metho d f sbh0f 70an y _f 116 0.5a 700 v not avail abl e -40c to + 105 c 8-pin, du al in- l in e package (dip) tube f sbh017 0ny _ f 116 1.0a 700 v enabled f sbh027 0ny _ f 116 2.0a 700 v f sbh037 0ny _ f 116 3.0a 700v t y pical application d i agram figure 1 . ty pic a l fly b ac k a pplic a t io n output pow e r table (1) product 230v ac 15% (2) 85-2 65v ac adapter (3) open frame (4) adapter (3) open frame (4) fsbh0f70a_f116 7w 10w 6w 8w fsbh0170_f116 10w 15w 9w 13w fsbh0270_f116 14w 20w 11w 16w fsbh0370_f116 17.5w 25w 13w 19w notes: 1. the maximum output power can be li mited by junction temperature. 2. 230 v ac or 100/115 v ac with doublers. 3. typical continuous power in a non-v entilated enclosed adapter with sufficien t drain pattern as a heat sink at 50 ? c ambient. 4. maximum practical continuous power in an open-frame des ign with sufficient drain pattern as a heat sink at 50 ? c ambient. hv drain gnd vdd fb vin ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 3 fsbh0f70a_f116, fsbh0170/0270/ 0370_f116 ? green mode fairch ild power switch (fps?) block diagram figure 2. fsbh0170/0270/0370_f116 internal block diagram figure 3. fsbh0f70a_f116 internal block diagram ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 4 fsbh0f70a_f116, fsbh0170/0270/ 0370_f116 ? green mode fairch ild power switch (fps?) pin configuration figure 4. pin configuration and top mark information pin definitions pin # name description 1 gnd ground . sensefet source terminal on primary side and internal controller ground. 2 vdd power supply . the internal protection circuit disables pwm output as long as v dd exceeds the ovp trigger point. 3 fb feedback . the signal from the external compensation ci rcuit is fed into this pin. the pwm duty cycle is determined in response to the signal on this pin and the internal current-sense signal. 4 vin line-voltage detection . the line-voltage detection is us ed for brownout protection with hysteresis and constant output po wer limit over universal ac input range. this pin has additional protections that are pull-high latch and pull-lo w auto recovery, depending on the application. nc no connection . fsbh0f70a_f116 5 hv startup . for startup, this pin is pulled high to t he line input or bulk capacitor via resistors. 6 drain sensefet drain . high-voltage power sensefet drain connection. 7 drain sensefet drain . high-voltage power sensefet drain connection. 8 drain sensefet drain . high-voltage power sensefet drain connection. f ? fairchild logo z ? plant code x ? 1-digit year code y ? 1-digit week code tt ? 2-digit die-run code t ? package type (n:dip) p ? y: green package m ? manufacture flow code ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 5 fsbh0f70a_f116, fsbh0170/0270/0370_f116 ? green mode fairchild po wer switch (fps?) absolute maximum ratings stresses exceeding the absolute maximum ratings may dam age the device. the device may not function or be operable above the recommended operating conditions and stressi ng the parts to these levels is not recommended. in addition, extended exposure to stresses above the recomm ended operating conditions may affect device reliability. the absolute maximum ratings are stress ratings only. symbol parameter min. max. unit v drain drain pin voltage (5,6) fsbh0x70/a_f116 700 v i dm drain current pulsed (7) fsbh0f70a_f116 1.5 a fsbh0170_f116 4.0 fsbh0270_f116 8.0 fsbh0370_f116 12.0 e as single pulsed avalanche energy (8) fsbh0f70a_f116 10 mj fsbh0170_f116 50 fsbh0270_f116 140 fsbh0370_f116 230 v dd dc supply voltage 30 v v fb fb pin input voltage -0.3 7.0 v v in vin pin input voltage -0.3 7.0 v v hv hv pin input voltage 700 v p d power dissipation (t a ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 6 fsbh0f70a_f116, fsbh0170/0270/0370_f116 ? green mode fairchild po wer switch (fps?) electrical characteristics v dd = 15v an d t a =25 ? c unles s other w i s e sp ecifie d. sy mbol parameter conditio n min. t y p . max. unit sensefet section bv ds s drain-s ourc e breakd o w n v o l t age v ds = 700v, v gs = 0 v 700 v i dss z e ro-gate-volt age drain c u rre nt v ds = 700v, v gs =0 v 5 0 a v ds = 560v, v gs =0 v, t c = 125 ? c 200 r ds (on) drain-s ourc e on- state resistance (12) v gs = 10v, i d =0 . 5 a f sbh0f 70a_f 116 14.00 19.00 ? f sbh017 0_f 1 1 6 8.80 11.00 f sbh027 0_f 1 1 6 6.00 7.20 f sbh037 0_f 1 1 6 4.00 4.75 c iss input cap a cita nce v gs =0 v, v ds = 25v, f=1mhz f sbh0f 70a_f 116 162 211 pf f sbh017 0_f 1 1 6 250 325 f sbh027 0_f 1 1 6 550 715 f sbh037 0_f 1 1 6 315 410 c oss output cap a cit ance v gs =0 v, v ds = 25v, f=1mhz f sbh0f 70a_f 116 18 24 pf f sbh017 0_f 1 1 6 25 33 f sbh027 0_f 1 1 6 38 50 f sbh037 0_f 1 1 6 47 61 c rss revers e t r ansfer c a pa ci ta n c e v gs =0 v, v ds = 25v, f=1mhz f sbh0f 70a_f 116 3.8 5.7 pf f sbh017 0_f 1 1 6 10.0 15.0 f sbh027 0_f 1 1 6 17.0 26.0 f sbh037 0_f 1 1 6 9.0 24.0 t d(on) t u rn-on delay v ds =350v, i d =1.0a f sbh0f 70a_f 116 9.5 29.0 ns f sbh017 0_f 1 1 6 12.0 34.0 f sbh027 0_f 1 1 6 20.0 50.0 f sbh037 0_f 1 1 6 11.2 33.0 t r rise t i me v ds =350v, i d =1.0a f sbh0f 70a_f 116 19 48 ns f sbh017 0_f 1 1 6 4 18 f sbh027 0_f 1 1 6 15 40 f sbh037 0_f 1 1 6 34 78 t d(off) t u rn-off delay v ds =350v, i d =1.0a f sbh0f 70a_f 116 33.0 76.0 ns f sbh017 0_f 1 1 6 30.0 70.0 f sbh027 0_f 1 1 6 55.0 120.0 f sbh037 0_f 1 1 6 28.2 67.0 t f fall t i me v ds =350v, i d =1.0a f sbh0f 70a_f 116 42 94 ns f sbh017 0_f 1 1 6 10 30 f sbh027 0_f 1 1 6 25 60 f sbh037 0_f 1 1 6 32 74 continued on the following page? ? 2010 fairchild semiconductor corporation www.fairchildsemi.com fsbh0f70a_f116, f sbh0170/0270/0370_f116 ? rev. 1.0.1 7 fsbh0f70a_f116, fsbh0170/0270/0370_f116 ? green mode fairchild po wer switch (fps?) electrical characteristics (continued) v dd =15v and t a =25 q c unless otherwise specified. symbol parameter condition min. typ. max. unit control section v dd section v dd-on start threshold voltage 11 12 13 v v dd-off minimum operating voltage 7 8 9 v i dd-st startup current fsbh0170_f116 v dd-on ? 0.16v 30 a fsbh0270_f116 fsbh0370_f116 fsbh0f70a_f116 v dd-on ? 0.16v 240 320 400 i dd-op operating supply current v dd =15v, v fb =3v 3.0 3.5 4.0 ma i dd-zdc operating current for v fb |