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?2002 fairchild semiconductor corporation www.fairchildsemi.com rev.1.0.6 features ? wide operating frequency range up to 150khz ? lowest cost smps solution ? lowest external components ? low start up current (max:170ua) ? low operating current (max:15ma) ? internal high voltage sensefet ? built-in auto restart circuit ? over voltage protection (auto restart mode) ? over load protection (auto restart mode) ? over current protection with latch mode ? internal thermal protection with latch mode ? pulse by pulse over current limiting ? internal burst mode controller for stand-by mode ? under voltage lockout with hysteresis ? external sync. terminal application ? monitor smps description the fairchild power switch(fps) product family are specially designed for an off line smps with minimal external components. the fairchild power switch(fps) consists of a high voltage power sensefet and a current mode pwm ic. included pwm controller features the integrated fixed oscillator, the under voltage lockout, the optimized gate turn on/turn off driver, the thermal shut down protection, the over voltage protection, and the temperature compensated precision current sources for the loop compensation and the fault protection circuitry. compared to a discrete mosfet and a controller or a rcc switching converter solution, a fairchild power switch(fps) can reduce the total component count, design size, and weight and at the same time increase efficiency, productivity, and system reliability. it has a basic platform well suited for the cost effective monitor power supply. to-3p-5l 1. drain 2. gnd 3. v cc 4. feedback 5. sync. to-220f-5l 1 1 internal block diagram fs6s-series fs6s0965rt/fs6s1265rb fairchild power switch(fps) s r q s r q ts d (tj=160 ) ifb 1 1 1 1 3 3 3 3 5 5 5 5 4 4 4 4 2 2 2 2 vref rsenese 2.5r r vref internal bias vref uvlo ron roff pwm ocl burst mode controller filter (130nsec) uvlo reset (vcc=9v) olp ovp vth=7.5v vcc vth=30v vth=1v vfb offset idelay vcc vfb vth=1v vcc vth=11v/12v osc vref vpp=5.8/7.2v drain drain drain drain vcc vcc vcc vcc softstart softstart softstart softstart & sync & sync & sync & sync feedback feedback feedback feedback gnd gnd gnd gnd
fs6s-series fs6s0965rt/fs6s1265rb 2 absolute maximum ratings (ta=25 c, unless otherwise specified) characteristic symbol value unit fs6s0965rt maximum drain voltage v d,max 650 v drain-gate voltage(r gs =1m ?) v dgr 650 v gate-source(gnd) voltage v gs 30 v drain current pulsed (1) i dm 36 adc continuous drain current (tc = 25 c) i d 9adc continuous drain current (tc = 100 c) i d 7.2 adc single pulsed avalanche current(energy (2) )i as (e as ) 25(950) a(mj) maximum supply voltage v cc,max 35 v input voltage range v fb -0.3 to v cc v v ss -0.3 to 10 v total power dissipation p d (watt h/s) 48 w darting 0.385 w / c operating junction temperature. t j +160 c operating ambient temperature. t a -25 to +85 c storage temperature range. t stg -55 to +150 c fs6s1265rb maximum drain voltage v d,max 650 v drain-gate voltage(r gs =1m ?) v dgr 650 v gate-source(gnd) voltage v gs 30 v drain current pulsed (1) i dm 48 adc continuous drain current (tc = 25 c) i d 12 adc continuous drain current (tc = 100 c) i d 8.4 adc single pulsed avalanche current(energy (2) )i as (e as ) 30(950) a(mj) maximum supply voltage v cc,max 35 v input voltage range v fb -0.3 to v cc v v ss -0.3 to 10 v total power dissipation p d (watt h/s) 240 w darting 1.92 w / c operating junction temperature. t j +160 c operating ambient temperature. t a -25 to +85 c storage temperature range. t stg -55 to +150 c
fs6s-series fs6s0965rt/fs6s1265rb 3 electrical characteristics (sensefet part) (ta = 25 c unless otherwise specified) parameter symbol conditions min. typ. max. unit fs6s0965rt drain source breakdown voltage bv dss v gs = 0v, i d = 50 a 650 - - v zero gate voltage drain current i dss v ds =max., rating, v gs =0v - - 200 a v ds = 0.8max., rating, v gs = 0v, t c = 125 c - - 300 a static drain-source on resistance (1) r ds(on) v gs = 10v, i d = 4.5a - 1.1 1.2 ? forward transconductance (1) gfs v ds = 50v, i d = 4.5a - - - s input capacitance ciss v gs = 0v, v ds = 25v, f = 1mhz - 1300 - pf output capacitance coss - 135 - reverse transfer capacitance crss - 25 - turn on delay time t d(on) v dd = 0.5bv dss , i d = 9.0a (mosfet switching time is essentially independent of operating temperature) -25- ns rise time tr - 75 - turn off delay time t d(off) - 130 - fall time tf - 70 - total gate charge (gate-source+gate-drain) qg v gs = 10v, i d = 9.0a, v ds = 0.5bv dss (mosfet switching time is essentially independent of operating temperature) -45- nc gate-source charge qgs - 8 - gate-drain (miller) charge qgd - 22 - fs6s1265rb drain-source breakdown voltage bv dss v gs = 0v, i d = 50 a 650 - - v zero gate voltage drain current i dss v ds =max, rating, v gs = 0v - - 200 a v ds = 0.8max, rating, v gs = 0v, t c = 125 c - - 300 a static drain-source on resistance (1) r ds(on) v gs = 10v, i d = 4.5a - 0.7 0.9 ? forward transconductance (1) gfs v ds = 50v, i d = 4.5a - - - s input capacitance ciss v gs = 0v, v ds = 25v, f = 1mhz - 1820 - pf output capacitance coss - 185 - reverse transfer capacitance crss - 32 - turn on delay time t d(on) v dd = 0.5bv dss , i d = 12.0a (mosfet switching time are essentially independent of operating temperature) -38- ns rise time tr - 120 - turn off delay time t d(off) - 200 - fall time tf - 100 - total gate charge (gate-source+gate-drain) qg v gs = 10v, i d = 12.0a, v ds = 0.5bv dss (mosfet switching time are essentially independent of operating temperature) -60- nc gate-source charge qgs - 10 - gate-drain (miller) charge qgd - 30 -
fs6s-series fs6s0965rt/fs6s1265rb 4 electrical characteristics (continued) (v cc =16v, tamb = 25 c unless otherwise specified) notes: 1. these parameters are the current flowing in the control ic. 2. these parameters, although guaranteed, are not 100% tested in production 3. these parameters, although guaranteed, are tested in eds(wafer test) process 4. these parameters are indicated inductor current. parameter symbol conditions min. typ. max. unit uvlo section start threshold voltage v start v fb =gnd 14 15 16 v stop threshold voltage v stop v fb =gnd 8 9 10 v oscillator section initial frequency f osc -222528khz voltage stability f stable 12v v cc 23v 0 1 3% temperature stability (note2) ? f osc -25 c a 85 c0 5 10 % maximum duty cycle d max -929598% minimum duty cycle d min ---0% feedback section feedback source current i fb v fb =gnd 0.7 0.9 1.1 ma shutdown feedback voltage v sd v fb 6.9v 6.9 7.5 8.1 v shutdown delay current i delay v fb =5v 1.6 2.0 2.4 a sync. & softstart section softstart voltage v ss v fb =2v 4.7 5.0 5.3 v softstart current i ss v ss =0v 0.8 1.0 1.2 ma sync high threshold voltage(note3) v synch v cc =16v , v fb =5v - 7.2 - v sync low threshold voltage(note3) v syncl v cc =16v , v fb =5v - 5.8 - v burst mode section burst mode low threshold voltage v burl v fb =0v 10.4 11.0 11.6 v burst mode high threshold voltage v burh v fb =0v 11.4 12.0 12.6 v burst mode enable feedback voltage v ben v cc =10.5v 0.7 1.0 1.3 v burst mode peak current limit(note4) i burpk v cc =10.5v , v fb =0v 0.6 0.85 1.1 a burst mode frequency f bur v cc =10.5v , v fb =0v 40 50 60 khz current limit(self-protection)section peak current limit (note4) i over fs6s0965rt 5.28 6.0 6.72 a fs6s1265rb 7.04 8.0 8.96 protection section over voltage protection v ovp v cc 27v 27 30 33 v over current latch voltage(note3) v ocl -0.91.01.1v thermal shutdown temperature (note2) t sd - 140 160 - c total device section start-up current i start v fb = gnd, v cc = 14v - 0.1 0.17 ma operating supply current(note1) i op v fb = gnd, v cc = 16v -1015ma i op(min) v fb = gnd, v cc = 12v i op(max) v fb = gnd, v cc = 30v
fs6s-series fs6s0965rt/fs6s1265rb 5 typical performance characteristics figure 1. start up current vs. temp. figure 2. operating supply current vs. temp. figure 3. start threshold voltage vs. temp. figure 4. stop threshold voltage vs. temp. figure 5. initial frequency vs. temp. figure 6. maximum duty vs. temp. is tart 0.00 0.03 0.06 0.09 0.12 0.15 -25 0 25 50 75 100 125 150 temp [ma] iop 9.0 9.2 9.4 9.6 9.8 10.0 10.2 -25 0 25 50 75 100 125 150 temp [ma] vstart 13.6 14.0 14.4 14.8 15.2 15.6 16.0 -25 0 25 50 75 100 125 150 temp [v] vstop 8.90 8.94 8.98 9.02 9.06 9.10 -25 0 25 50 75 100 125 150 temp [v] fosc 22.0 22.8 23.6 24.4 25.2 26.0 -25 0 25 50 75 100 125 150 temp [khz] dmax 94.0 94.4 94.8 95.2 95.6 96.0 -25 0 25 50 75 100 125 150 temp [%]
fs6s-series fs6s0965rt/fs6s1265rb 6 typical performance characteristics (continued) figure 7. feedback offset voltage vs. temp. figure 8. feedback source current vs. temp. figure 9. shutdown delay current vs. temp. figure 10. shutdown feedback voltage vs. temp. figure 11. softstart voltage vs. temp. figure 12. over voltage protection vs. temp. voff 0.10 0.20 0.30 0.40 0.50 -25 0 25 50 75 100 125 150 temp [v] ifb 0.75 0.80 0.85 0.90 0.95 1.00 1.05 -25 0 25 50 75 100 125 150 temp [ma] idelay 1.70 1.78 1.86 1.94 2.02 2.10 -25 0 25 50 75 100 125 150 temp [ua] vsd 7.40 7.44 7.48 7.52 7.56 7.60 -25 0 25 50 75 100 125 150 temp [v] vss 4.90 4.94 4.98 5.02 5.06 5.10 -25 0 25 50 75 100 125 150 temp [v] vovp 29.0 29.4 29.8 30.2 30.6 31.0 -25 0 25 50 75 100 125 150 temp [v]
fs6s-series fs6s0965rt/fs6s1265rb 7 typical performance characteristics (continued) figure 13. burst mode low voltage vs. temp. figure 14. burst mode high voltage vs. temp. figure 15. burst mode frequency vs. temp. figure 16. burst mode enable voltage vs. temp. figure 17. burst mode peak current vs. temp. figure 18. peak current limit vs. temp. vburl 10.8 10.9 11.0 11.1 11.2 -25 0 25 50 75 100 125 150 temp [v] vburh 11.7 11.8 11.9 12.0 12.1 12.2 12.3 -25 0 25 50 75 100 125 150 temp [v] fbur 43.0 45.0 47.0 49.0 51.0 53.0 -25 0 25 50 75 100 125 150 temp [khz] vben 0.00 0.40 0.80 1.20 1.60 -25 0 25 50 75 100 125 150 temp [v] ibur_pk 0.83 0.86 0.89 0.92 0.95 0.98 -25 0 25 50 75 100 125 150 temp [a] iover 5.70 5.80 5.90 6.00 6.10 6.20 -25 0 25 50 75 100 125 150 temp [a]
fs6s-series fs6s0965rt/fs6s1265rb 8 package dimensions to-3p-5l
fs6s-series fs6s0965rt/fs6s1265rb 9 package dimensions (continued) to-3p-5l(forming)
fs6s-series fs6s0965rt/fs6s1265rb 10 package dimensions (continued) to-220f-5l
fs6s-series fs6s0965rt/fs6s1265rb 11 package dimensions (continued) to-220f-5l(forming)
fs6s-series fs6s0965rt/fs6s1265rb 12 top mark and pinout information notes: (1) f : fairchild semiconductor (2) 6s1265rb : device marking name (3) s : plant code (fps: s) (4) xx : patweek based on fairchild semiconductor work month calender (5) yy : last two digit of calender year device marking fs6s0965rt 6s0965r fs6s1265rb 6s1265rb s s s sx x x xx x x xy y y yy y y y m m m ma a a ar r r rk k k ki i i in n n ng g g g f f f f pin no. symbol description 1 drain sensefet drain 2 gnd ground (source) 3v cc control part supply input 4 f/b pwm non inverting input 5 s/s soft start & external sync. 1
fs6s-series fs6s0965rt/fs6s1265rb 4/19/02 0.0m 001 stock#dsxxxxxxxx ? 2002 fairchild semiconductor corporation life support policy fairchild?s products are not authorized for use as critical components in life support devices or systems without the express written approval of the president of fairchild semiconductor corporation. as used herein: 1. life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. 2. a critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. www.fairchildsemi.com disclaimer fairchild semiconductor reserves the right to make changes without further notice to any products herein to improve reliability, function or design. fairchild does not assume any liability arising out 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. ordering information tu : non forming type ydtu : forming type product number package marking code bvdss rds(on) fs6s0965rt-tu to-220f-5l 6s0965r 650v 1.1 ? fs6s0965rt-ydtu to-220f-5l(forming) fs6s1265rb-tu to-3p-5l 6s1265rb 650v 0.7 ? fs6s1265rb-ydtu to-3p-5l(forming)
product folder - fairchild p/n fs6s1265rb - recommend revision device fs6s1265re fairchild semiconductor space space space search | parametric | cross reference space product folders and datasheets application notes space space space find products home >> find products >> space space space space products groups space analog and mixed signal discrete interface logic microcontrollers non-volatile memory optoelectronics markets and applications new products product selection and parametric search cross-reference search technical information buy products technical support my fairchild company fs6s1265rb recommend revision device fs6s1265re related links request samples dotted line how to order products dotted line product change notices (pcns) dotted line support dotted line distributor and field sales representatives dotted line quality and reliability dotted line design tools contents features | applications | product status/pricing/packaging | application notes features the fairchild power switch (fps) product family are specially designed for an off line smps with minimal external components. the fairchild power switch (fps) consists of a high voltage power sensefet and a current mode pwm ic. included pwm controller features the integrated fixed oscillator, the under voltage lockout, the optimized gate turn on/turn off driver, the thermal shut down protection, the over voltage protection, and the temperature compensated precision current sources for the loop compensation and the fault protection circuitry. compared to a discrete mosfet and a controller or a r cc switching converter solution, a fairchild power switch (fps) can reduce the total component count, design size, and weight and at the same time increase efficiency, productivity, and system reliability. it has a basic platform well suited for the cost effective monitor power supply. l wide operating frequency range up to 150khz l lowest cost smps solution l lowest external components l low start-up current (max: 170a) l low operating current (max: 15ma) l internal high voltage sensefet l built-in auto restart circuit l over voltage protection (auto restart mode) l over load protection (auto restart mode) l over current protection with latch mode space datasheet download this datasheet pdf e-mail this datasheet [e- mail] this page print version file:///d|/html/fs6s1265rb.html (1 of 2) [7/26/02 2:08:45 pm]
product folder - fairchild p/n fs6s1265rb - recommend revision device fs6s1265re l internal thermal protection with latch mode l pulse by pulse over current limiting l internal burst mode controller for stand-by mode l under voltage lockout with hysteresis l external sync. terminal back to top applications l monitor smps back to top product status/pricing/packaging product product status package type leads packing method FS6S1265RBSYDTU lifetime buy to-3p 5 rail fs6s1265rbtu lifetime buy to-3p 5 rail fs6s1265rbydtu lifetime buy to-3p 5 rail back to top application notes an-4105: an-4105 design considerations for switched mode power supplies using a fairchild power switch (sps) in a flyback converter (444 k) jul 19, 2002 back to top space space home | find products | technical information | buy products | support | company | contact us | site index | privacy policy ? copyright 2002 fairchild semiconductor space space file:///d|/html/fs6s1265rb.html (2 of 2) [7/26/02 2:08:45 pm]

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