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1 Is Now Par of To learn more abou ON Semiconducor, please visi our websie a ON Semiconducor and he ON Semiconducor logo are rademarks of Semiconducor Componens Indusries, LLC dba ON Semiconducor or is subsidiaries in he Unied Saes and/or oher counries. ON Semiconducor owns he righs o a number of paens, rademarks, copyrighs, rade secres, and oher inellecual propery. A lising of ON Semiconducor s produc/paen coverage may be accessed a ON Semiconducor reserves he righ o make changes wihou furher noice o any producs herein. ON Semiconducor makes no warrany, represenaion or guaranee regarding he suiabiliy of is producs for any paricular purpose, nor does ON Semiconducor assume any liabiliy arising ou of he applicaion or use of any produc or circui, and specifically disclaims any and all liabiliy, including wihou limiaion special, consequenial or incidenal damages. Buyer is responsible for is producs and applicaions using ON Semiconducor producs, including compliance wih all laws, regulaions and safey requiremens or sandards, regardless of any suppor or applicaions informaion provided by ON Semiconducor. Typical parameers which may be provided in ON Semiconducor daa shees and/or specificaions can and do vary in differen applicaions and acual performance may vary over ime. All operaing parameers, including Typicals mus be validaed for each cusomer applicaion by cusomer s echnical expers. ON Semiconducor does no convey any license under is paen righs nor he righs of ohers. ON Semiconducor producs are no designed, inended, or auhorized for use as a criical componen in life suppor sysems or any FDA Class medical devices or medical devices wih a same or similar classificaion in a foreign jurisdicion or any devices inended for implanaion in he human body. Should Buyer purchase or use ON Semiconducor producs for any such uninended or unauhorized applicaion, Buyer shall indemnify and hold ON Semiconducor and is officers, employees, subsidiaries, affiliaes, and disribuors harmless agains all claims, coss, damages, and expenses, and reasonable aorney fees arising ou of, direcly or indirecly, any claim of personal injury or deah associaed wih such uninended or unauhorized use, even if such claim alleges ha ON Semiconducor was negligen regarding he design or manufacure of he par. ON Semiconducor is an Equal Opporuniy/Affirmaive Acion Employer. This lieraure is subjec o all applicable copyrigh laws and is no for resale in any manner.
2 AN-64 Applying FAN64 for Flyback and Forward Freewheeling Recificaion Inroducion FAN64 is a secondary-side Synchronous Recificaion (SR) conroller o drive s for improved efficiency. I is suiable for Coninuous Conducion Mode (CCM), Disconinuous Conducion Mode (DCM), and Quasi- Resonan (QR) flyback converers. I can be applied on boh low-side and high-side recificaion, as shown in Figure and Figure. I can also be applied on forward or dualforward free-wheeling recificaion, as shown in Figure. The SR urn-off iming is deermined by linearpredic iming conrol and he operaing principle is based on volage-second balance heorem. This conrol algorihm is implemened by deecion of secondary-side winding volage and oupu volage, as shown in Figure. The mehod avoids sense-resisor usage, which improves he efficiency. In addiion, i is independen from he urn-on resisance of he and, herefore, increases he flexibiliy of selecion. To drive he SR, he reference ground of he SR conroller mus be conneced o he source erminal of. For low-side applicaion, he reference ground is he same as oupu ground. For high-side applicaion, he reference ground is floaing. Since he oupu ground doesn conain swiching devices for high-side applicaion, he EMI performance is beer han in low-side applicaion. FAN64 can operae in boh fixed-frequency and variablefrequency sysems; he maximum operaing frequency is up o 40 khz. To improve no-load and ligh-load efficiency, a Green Mode is uilized. In Green Mode, he FAN64 sops swiching o reduce he operaing curren and save swiching losses. To increase design flexibiliy, he loading level o rigger Green Mode is adjusable by he exernal resisor of he RP pin. This applicaion noe describes he design procedure for using FAN64 for flyback and forward free-wheeling recificaion; provides a design example of flyback high-side recificaion is shown; explains roubleshooing; and supplies prined circui board layou guidelines. 0 Fairchild Semiconducor Corporaion Rev..0. 9// Figure. Q Figure. Q N N N R V R V DET C RP RP I SR Q GATE VDD FAN64 R RP V GND AGND R V R 4 Typical Applicaion Circui for Low-Side Flyback Converer N Q N Q R V R 4 7 C RP RP I SR VDD FAN64 R RP GATE 4 6 GND AGND VDET V R V Typical Applicaion Circui for High-Side Flyback Converer N N R V DET Q GATE VDD R R V FAN64 7 V Q RP 4 6 GND AGND R 4 C RP R RP I SR R V Figure. Typical Applicaion Circui for Dual-Swich Forward Free-Wheeling Recificaion
3 AN-64 Exernal Componens Design IC Power Supply For low-side applicaions, he oupu (V ) can supply power for he FAN64. As shown in Figure, he V DD pin is conneced o V direcly. The V DD operaing range is beween. V and 6 V. If he raed oupu volage is ou of his range or he FAN64 is used for high-side applicaion, an auxiliary winding (N ) is required o supply power for he FAN64. The auxiliary winding reflecs V, so V DD is derived as: N VDD V () N Therefore, N and N mus be well-designed o saisfy he operaing range of V DD. Define he raio of resisors as: R R R () Considering he minimum inpu volage (.MIN ) and he urn-raio, () can be rewrien as: V DET V n Primary IN. MIN V Body Diode of SR. 4 Synchr onous Recifier Body Diode of SR (6) Selecion of Operaing Frequency The FAN64 can be applied in differen operaing frequency ranges. The capacior of he RP pin (C RP ) fis he conroller ino he proper range of operaing frequency. For low-frequency sysems (under 00 khz), C RP is recommended as 0 nf. For high-frequency sysems (00 khz o 40 khz), C RP is recommended as nf. V -EN /n +V V -HIGH V -EN = 0.7 V HIGH V -TH-HIGH Flyback Low-Side Recificaion As Figure shows, he resisors of he and pins need o be designed appropriaely for linear-predic iming conrol. When designing he four resisors, begin wih he par. Firs, deermine he proper operaing range by selecing he raio of resisors ( ). Then choose he proper resisance of R and R according o. Nex, selec he volage scaled-down raio (K). Then he raio of he resisors ( ) can be obained. Finally, R and R 4 are deermined based on and he design is complee. The iming diagram for low-side applicaion is shown in Figure 4. When volage (V ) is higher han V -EN (7.% of V -HIGH ) over a blanking ime ( -EN ); he SR gae is ready o oupu. Afer he volage drops below V -TH-HIGH (. V), he SR conroller sends ou gae signals. Based on he conrol algorihm, V -EN mus be higher han V -TH-HIGH or he SR canno be urned on; herefore: 0. 7V. () HIGH Considering he olerance, V.4 () HIGH Define he urn-raio beween N and N as; N n (4) N V Figure 4. V -EN Typical Waveforms of QR Low-Side Flyback Converer wih FAN64 On he oher hand, he maximum linear operaing range of he pin is under 4. V, so: V n IN. MAX V 4. where.max is he maximum inpu volage. Therefore, when selecing proper, Equaions(6) and (7) mus be saisfied. Combine (6) and (7), FAN64 is applicable only if he sysem parameers, n,.max,.min, and V saisfy: V n IN. MIN V. 4 V n IN. MAX V 4. Therefore, verify he sysem parameers saisfy Equaion () in he iniial sage of design. If () is no saisfied, some parameers may need o be redesigned. For low-side applicaion, R is suggesed o be equal or larger han k. As shown in Figure 4, when he secondary side sars o conduc curren, he drain- (7) () 0 Fairchild Semiconducor Corporaion Rev..0. 9//
4 AN-64 o-source volage (V DS ) is negaive. To avoid he pin from being damaged by he negaive volage, he pin inernally sources curren when V is less han V -SOURCE (0. V). Therefore, R canno be oo small o clamp negaive volage on he pin. Afer he resisance of R is deermined, R can be calculaed by Equaion () wih proper selecion. In pracice, choose he maximum of as an iniial. If he noise inerference is severe on he pin due o poor PCB layou, a small ceramic capacior (around 0 pf o pf) can be mouned parallel o he pin. When deermining R and R 4, he volage scale-down raio (K) beween he and pins mus be aken ino consideraion firs. Define K by: K (9) where: R R 4 (0) R4 The SR urns off when he inernal iming capacior, C T, is fully discharged. If K is equal o.9, he discharge ime of he C T capacior, CT.DIS, is he same as he inducor curren discharge ime, L.DIS. Therefore, he SR urns off exacly when he inducor curren reaches is iniial value. However, considering he olerance of volage divider resisors and inernal circui, he scaledown raio (K) should be larger han.9 o guaranee ha CT,DIS is shorer han L,DIS and o avoid overlapping. I is ypical o se K o be 4. o 4.7. Afer he scale-down raio is seleced, can be calculaed by Equaion () since is already obained. Noe ha is also required o saisfy he linear operaing range of pin (~4. V). In oher words, he equaion below mus be saisfied: V 4. () If Equaions (6), (7), and () show conradicion, some of he parameers (n,.max,.min, and V ) may need o be fine-uned. When deermining he resisance of R and R 4, since here is no concern of negaive volage of pin for low-side applicaion, R 4 is suggesed o be several-ens of kilo-ohms; R can be calculaed by Equaion (0). Flyback High-Side Recificaion The design consideraions of he volage divider of he pin (R and R ) for high-side applicaions are he same as hose for low-side because he drain-o-source volage deeced by R and R is equal for boh applicaions. Therefore, (6) and (7) mus be saisfied when applying FAN64 o drive high-side. However, when deermining he volage divider of he pin (R and R 4 ), he urn-raio of secondary winding (N ) and auxiliary winding (N ) mus be aken ino consideraion. The urn-raio is defined as: N n () N Equaion (9) is hen rewrien as: K n () R and R 4 deec he refleced oupu volage of he auxiliary winding raher han direcly deecing he oupu volage, so Equaion () is modified as: V n 4. (4) For high-side applicaion, R 4 is recommended o be equal or larger han 7 k for clamping negaive volage of he pin. As Figure shows, when primary-side (Q ) urns on, he volage across N (V N ) is negaive. Through he volage divider of he pin, he pin volage (V ) is also negaive. To avoid he conroller being damaged by negaive volage, he pin inernally sources curren when V is less han V -SOURCE (0. V). Therefore, R 4 canno be oo small o clamp he negaive volage on he pin. Afer he resisance of R 4 is deermined, R can be calculaed by (0). V DET V V V N Primary /n Body Diode of SR Synchr onous Recifier /n +V V -HIGH n V V -EN V -TH-HIGH V -EN Body Diode of SR n V n V Figure. Typical Waveforms of QR High-Side Flyback Converer wih FAN64 0 Fairchild Semiconducor Corporaion Rev..0. 9//
5 AN-64 Forward / Dual-Swich Forward Free-Wheeling Recificaion Figure shows he ypical applicaion circui of applying FAN64 on dual-swich forward free-wheeling recificaion. The relaed key waveform is shown in Figure 6. When he primary s urn on, he refleced volage across he SR, V DET, is obained as: VIN VDET () n where n is defined as he urn-raio beween N and N, which is he same as (4). Since V DET is differen from ha of flyback applicaion, (6) and (7) are rewrien as: V V IN. MIN IN. MAX.4 n 4. n (6) (7) The resisance of R is also suggesed o be equal o or larger han kω and he following design procedure is much he same as flyback applicaions. Sar wih selecing he maximum of, hen calculae R by (). Nex, consider he dead-ime and selec a proper scale-down raio (K) beween 4. and 4.7. Then is calculaed by () and he resul mus saisfy (0). Finally, selec he resisance of R 4, which is around several-ens of kilo-ohms, hen R can be calculaed by (9). Primary Body Diode of SR Synchr onous Recifier Body Diode of SR Primary Green Mode Modulaion To minimize he power consumpion a ligh-load and noload condiion, he FAN64 eners Green Mode and he SR swiching is disabled. As shown in Figure 7, he discharge ime of he inducor and inernal capacior (C T ) decrease as load decreases. If he discharge ime of he C T capacior ( CT,DIS ) is shorer han GREEN-ON for more han hree cycles, he SR conroller eners Green Mode and he operaing curren is reduced o 00 μa. SR Gae I M Normal Mode.9µs~4.4µs Figure 7. Times.9µs~4.4µs.9µs~4.4µs Green Mode Timing of Enering Green Mode In conras, when he discharge ime of he C T capacior is longer han GREEN-OFF for more han fifeen cycles, he SR conroller leaves Green Mode and resumes normal operaion, as shown in Figure. SR Gae I M.µs~.9µs Green Mode Times.µs~.9µs Normal Mode.µs~.9µs V DET /n V -EN V -HIGH Figure. Timing of Resuming Normal Operaion V -EN V -TH-HIGH To enhance he flexibiliy of design, GREEN-ON and GREEN-OFF are adjusable by he exernal resisor, R RP. The R RP resisance corresponds o GREEN-ON and GREEN-OFF and he equaions are defined as: V 0. 0 R 0. 4 () GREEN ON RP V -EN.4 (9) GREEN OFF GREEN ON Figure 6. Typical Waveforms of Forward Free-Wheeling Recificaion wih FAN64 As he characerisic curve shows in Figure 9, he minimum and maximum values of R RP resisance are 7 k and 00 k, respecively. Each R RP resisance corresponds o a se of GREEN.ON and GREEN.OFF. 0 Fairchild Semiconducor Corporaion Rev..0. 9// 4
6 AN-64 CT.DIS (ms) GREEN-OFF GREEN-ON R RP (kω) Figure 9. Adjusable GREEN-ON and GREEN-OFF When selecing he resisance of R RP, he loading of enering Green Mode is firs deermined, hen GREEN-ON is measured and R RP can be calculaed by Equaion (7). In pracice, a leas wo efficiency curves need o be measured and compared o opimize he design. One uses he minimum value of R RP (7 kω), while he oher uses he maximum value (00 kω). The loading of he crossover of he wo curves is he opimized loading o ener Green Mode. If here is no crossover, hen eiher 7 kω or 00 kω is he bes choice. Design Example for Flyback High- Side Recificaion Sep. Define Sysem Parameers The maximum inpu volage,.max : 7 V The minimum inpu volage,.min : 6 V Oupu volage, V : 9 V Turns of he primary-side winding, N : urns Turns of he secondary-side winding, N : urns Turn-raio n : 4.7 Take.MAX,.MIN, n, and V ino (): FAN64 is applicable for his sysem. Sep. Calculae he Auxiliary Winding, N : V DD is se beween. V and 6 V. Selec V and N can be obained from (), N V N is hen seleced as 6 urns. N DD 6. V Sep. Calculae he Operaing Range of : The maximum of is obained from (6): VI N. MIN V n The minimum of is obained from (7): V I N. MAX n 4. V 6. 9 is seleced as.. In pracice, choose close o is maximum value is a good sar. In he following seps, if he calculaed is over is operaing range, reurn o his sep and reconsider he selecion of. Sep 4. Calculae he Resisance of R : The resisance of R is firs seleced as kω, as long as i is large enough o clamp negaive volage of he pin. R is hen obained from Equaion () as: R R 70 k Sep. Calculae : Firs, selec a proper scale-down raio (K) beween 4. and 4.7. The selecion is based on he adjusmen of dead-ime and can be fine-uned laer. In his case, 4. is seleced and is calculaed by Equaion () as:. 4. n K. 4. Second, check wheher saisfies Equaion (4). If i does no fi ino he operaing range, go back o Sep and reconsider he selecion of. In his case, V n The resul is accepable Sep 6. Calculae he Resisance of R The resisance of R 4 is firs seleced as 7 kω, as long as i is large enough o clamp negaive volage of he pin. R is hen obained from Equaion (0) as: R R4 9. k As a resul, he resisance of R, R, R, and R 4 are calculaed. If he dead-ime is checked, hen he four resisors are deermined. The process of fine-une he deadime is explained in he following secion. 0 Fairchild Semiconducor Corporaion Rev..0. 9//
7 AN-64 Troubleshooing Fine-Tune he Dead-Time If SR dead-ime is oo large, decrease R or increase R. Eiher way, V is increased and he discharge ime of C T capacior ( CT.DIS ) is prolonged o decrease he dead-ime, as shown in Figure 0. However, noe ha Equaion (7) mus be saisfied when increasing V. V CT Increased V CT.DIS Original Dead-Time Decreased Dead-Time Figure 0. Decrease SR Dead-Time In conras, if SR dead-ime is oo small, decrease R or increase R 4. Eiher way, V is increased and he discharge ime of C T capacior ( CT.DIS ) is reduced o increase he deadime, as shown in Figure. However, noe ha (4) mus be saisfied when increase V. FAN64 is Unable o Ener Green Mode The loading o ener Green Mode is deermined by he on-ime of SR and is adjusable by R RP. If FAN64 can ener Green Mode, selec larger R RP resisance. As he SR on-ime is shorer han he se GREEN-ON as load decreases, he conroller eners Green Mode. The SR Does No Swich Firs, verify he V DD operaing volage is beween. V and 6 V. Second, verify he V -HIGH is larger han.4 V, as defined in Equaion (). Third, when he SR or is body diode conducs; verify ha V is larger han V. Finally, verify FAN64 is no in Green Mode. The SR Swiches for a While and Shus Down Repeiively In saic-load operaion, he SR swiches on and off regularly according o linear-predic iming conrol. However, during a load ransien, he charge and discharge of inducor curren is no always balanced. Therefore, FAN64 includes several funcions; such as -widh expansion and shrink proecion, gae-expansion-limi proecion, faul-iming proecion, -volage-drop proecion, and and pin open/shor proecion ha prevens overlapping due o volage-second imbalance. Once hose proecions are riggered, FAN64 shus down SR swiching immediaely and reurns o normal operaion afer he abnormal condiions are cleared. Refer o he daashee for he deailed descripions and check if any of hose proecions are riggered in saic-load operaion. V CT Increased V CT.DIS Original Dead-Time Increased Dead-Time Figure. Increase SR Dead-Time 0 Fairchild Semiconducor Corporaion Rev..0. 9// 6
8 AN-64 Prined Circui Board Layou Figure and Figure show he layou for FAN64 in low-side and high-side sysems, respecively. Good PCB layou improves efficiency, minimizes excessive EMI, and prevens he power supply from being disruped during surge/esd ess. IC Side: The reference ground of he and pins is conneced o he IC GND direcly (race ). The GND and AGND pins should be conneced ogeher wih a shor wide race or a wide area (race ). The reference ground of C VDD should direcly connec o he GND and AGND pins (race ), hen connec o he oupu ground (race 4). The race line of and should be away from magneic componens. Sysem Side: Since race is he power loop on he secondary side, i mus be as shor and wide as possible. The Y-CAP should be conneced o he oupu ground direcly (race 6). N N I SR V Y-CAP Q 6 Q V DET R V GATE FAN64 VDD 7 R V C VDD R RP 4 GND 6 AGND R 4 4 C RP R RP Figure. Layou Consideraions of Low-Side Sysem N N Q I SR VDET V Q N R V 7 VDD FAN64 GATE R V R 4 C RP RP R RP 4 GND 6 AGND R 6 Y-CAP Figure. Layou Consideraions of High-Side Sysem 0 Fairchild Semiconducor Corporaion Rev..0. 9// 7
9 AN-64 Design Example This secion shows a design example of a 6 W (9 V /.4 A) adapor using FAN676. The schemaic is shown in Figure 4. From he specificaion, all criical componens are covered and he final measuremen resuls are given. Table. Inpu Volage Range Line Frequency Range Oupu Volage (V o ) Oupu Power (P o ) Sysem Specificaion Inpu Oupu 90~64 V AC 47~6 Hz 9 V 6 W Based on he design guideline, he criical parameers are calculaed and summarized as shown in Table. Table. PWM Sage Criical Sysem Parameers Turns of Primary Inducor of PWM Transformer (N P) Turns of Secondary Inducor of PWM Transformer (N S) Turns of Auxiliary Winding of PWM Transformer (N AUX) Turns of Auxiliary Winding of PWM Transformer (N AUX) Turns Turns 7 Turns 6 Turns Turns of PWM Transformer (n) 4.7 Primary Inducor (L P) 0 µh Swiching Frequency (f s) 6 khz CIN 0.mF DBD KBP06M VAC NP T TF 0mH NAUX 6T DVDD SB CY 0.nF DHV SM DHV SM CIN 0mF DZDSN P6KE0A DSN FR07 CVDD 0µF RSN.Ω CSN nf Q FDP0NA LO.6mH + RG 0 Q FQPF7N6C NS T R.7kΩ IC 7 VDD FAN64M GATE R 70kΩ CO 000mF CO 470mF VO - RHV 00k RHV 00k FB IC FAN676 GND GATE VDD 7 RGS 4.7K RLPF 00 RSENSE 0.76 R 7kΩ RP D BAT6 CRP 0nF RRP 0kΩ 4 6 GND AGND R kω RD.k 4 NC HV SENSE RT 6 CLPF 0.47nF IC PC7A RO 00k CFB nf RRT.6k DVDD N49 NAUX 7T RF 4.7k CF.nF RNTC 00k CVDD 47mF IC4 KA4 RO 0k Figure 4. Complee Circui Diagram 0 Fairchild Semiconducor Corporaion Rev..0. 9//
10 AN-64 Table. Bill of Maerials Par Value Noe Par Value Noe Resisor C VDD 47 µf 0 V R D. k /4 W C VDD 0 µf 0 V R F 4.7 k / W C Y 0. nf Y-CAP R G 0 /4 W Diode R GS 4.7 k /4 W D BD KBP06M R HV 00 k /4 W D HV SM R HV 00 k /4 W D HV SM R 70 k / W D BAT6 R k / W R LPF 00 / W D SN FR07 R NTC 00 k D VDD N49 R O 00 k / W D VDD SB R O 0 k / W D ZDSN P6KE0A R.7 k / W Q FQPF7N6C R 7 k / W Q FDP0NA R RP 0 k / W Inducor R RT.6 k /4 W L O.6 µh R SENSE 0.76 W IC R SN. / W IC FAN676A Capacior IC FAN64M C F. nf IC FOD7A C FB nf IC 4 KA4AZTA C IN 0. µf X-CAP C IN 0 µf 400 V C LPF 0.47 nf C O 000 µf V C O 470 µf V C RP C SN 0 nf nf 0 Fairchild Semiconducor Corporaion Rev..0. 9// 9
11 AN-64 Figure shows he es waveforms of 00% loading (.4 A) on 9 V / 6 W evaluaion board. The SR gae can be urned off by he linear-predic iming conrol and can keep a dead ime beween he primary-side and secondaryside. Figure 7 and Figure show he es waveforms for load changing from ligh load o heavy load and from heavy load o ligh load. There is no overlapping beween he primaryside and secondary-side. Figure. Tes Waveforms of 00% Loading Figure 7. Tes Waveforms for Load Change (from Ligh-Load o Heavy-Load) Figure 6 shows he es waveforms of % loading on a 9 V / 6 W evaluaion board. Linear-predic iming conrol can also be acivaed o urn off he SR o preven overlapping wih he primary-side. Figure. Tes Waveforms for Load Change (from Heavy-Load o Ligh-Load) Figure 6. Tes Waveforms of % Loading Relaed Resources FAN64 Synchronous Recificaion Conroller for Flyback and Forward Freewheeling Recificaion DISCLAIMER FAIRCHILD SEMICONDUCTOR ERVES THE RIGHT TO MAKE CHANGES WITH FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITH THE EXPS WRITTEN APPROVAL OF THE PIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:. Life suppor devices or sysems are devices or sysems which, (a) are inended for surgical implan ino he body, or (b) suppor or susain life, or (c) whose failure o perform when properly used in accordance wih insrucions for use provided in he labeling, can be reasonably expeced o resul in significan injury o he user.. A criical componen is any componen of a life suppor device or sysem whose failure o perform can be reasonably expeced o cause he failure of he life suppor device or sysem, or o affec is safey or effeciveness. 0 Fairchild Semiconducor Corporaion Rev..0. 9// 0
12 ON Semiconducor and are rademarks of Semiconducor Componens Indusries, LLC dba ON Semiconducor or is subsidiaries in he Unied Saes and/or oher counries. ON Semiconducor owns he righs o a number of paens, rademarks, copyrighs, rade secres, and oher inellecual propery. A lising of ON Semiconducor s produc/paen coverage may be accessed a Marking.pdf. ON Semiconducor reserves he righ o make changes wihou furher noice o any producs herein. ON Semiconducor makes no warrany, represenaion or guaranee regarding he suiabiliy of is producs for any paricular purpose, nor does ON Semiconducor assume any liabiliy arising ou of he applicaion or use of any produc or circui, and specifically disclaims any and all liabiliy, including wihou limiaion special, consequenial or incidenal damages. Buyer is responsible for is producs and applicaions using ON Semiconducor producs, including compliance wih all laws, regulaions and safey requiremens or sandards, regardless of any suppor or applicaions informaion provided by ON Semiconducor. Typical parameers which may be provided in ON Semiconducor daa shees and/or specificaions can and do vary in differen applicaions and acual performance may vary over ime. All operaing parameers, including Typicals mus be validaed for each cusomer applicaion by cusomer s echnical expers. ON Semiconducor does no convey any license under is paen righs nor he righs of ohers. ON Semiconducor producs are no designed, inended, or auhorized for use as a criical componen in life suppor sysems or any FDA Class medical devices or medical devices wih a same or similar classificaion in a foreign jurisdicion or any devices inended for implanaion in he human body. Should Buyer purchase or use ON Semiconducor producs for any such uninended or unauhorized applicaion, Buyer shall indemnify and hold ON Semiconducor and is officers, employees, subsidiaries, affiliaes, and disribuors harmless agains all claims, coss, damages, and expenses, and reasonable aorney fees arising ou of, direcly or indirecly, any claim of personal injury or deah associaed wih such uninended or unauhorized use, even if such claim alleges ha ON Semiconducor was negligen regarding he design or manufacure of he par. ON Semiconducor is an Equal Opporuniy/Affirmaive Acion Employer. This lieraure is subjec o all applicable copyrigh laws and is no for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Lieraure Disribuion Cener for ON Semiconducor 9 E. nd Pkwy, Aurora, Colorado 00 USA Phone: or Toll Free USA/Canada Fax: or Toll Free USA/Canada orderli@onsemi.com Semiconducor Componens Indusries, LLC N. American Technical Suppor: 00 9 Toll Free USA/Canada Europe, Middle Eas and Africa Technical Suppor: Phone: Japan Cusomer Focus Cener Phone: ON Semiconducor Websie: Order Lieraure: hp:// For addiional informaion, please conac your local Sales Represenaive
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