november 2011 doc id 17960 rev 1 1/7 7 STPS40170C-Y automotive high voltage power schottky rectifier features high junction temperature capability low leakage current good trade off between leakage current and forward voltage drop low thermal resistance high frequency operation avalanche specification aec-q101 qualified description dual center tab schottky rectifier suited for high frequency switched mode power supplies. packaged in d 2 pak, these devices are intended for use to enhance the relia bility of the application in automotive segment. table 1. device summary symbol value i f(av) 2 x 20 a v rrm 170 v t j 175 c v f (max) 0.75 v d 2 pak stps40170cgy-tr k a1 a2 a1 k a2 www.st.com
characteristics STPS40170C-Y 2/7 doc id 17960 rev 1 1 characteristics when the diodes 1 and 2 are used simultaneously : t j (diode 1) = p(diode1) x r th(j-c) (per diode) + p(diode 2) x r th(c) to evaluate the conduction losses use the following equation : p = 0.64 x i f(av) + 0.0055 i f 2 (rms) table 2. absolute ratings (limiting values, per diode) symbol parameter value unit v rrm repetitive peak reverse voltage 170 v i f(rms) forward rms current 60 a i f(av) average forward current t c = 150 c = 0.5 per diode per device 20 a 40 i fsm surge non repetitive forward current t p = 10 ms sinusoidal 250 a p arm repetitive peak avalanche power t p = 1 s t j = 25 c 14100 w t stg storage temperature range -65 to + 175 c t j operating junction temperature (1) -40 to + 175 c dv/dt critical rate of rise reverse voltage 10000 v/s 1. condition to avoid thermal r unaway for a diode on its own heatsink dptot dtj < 1 rth(j-a) table 3. thermal resistance parameters symbol parameter value unit r th (j-c) junction to case per diode to t a l 1.2 0.85 c/w r th (c) coupling 0.5 table 4. static electrical characteristics (per diode) symbol parameter tests cond itions min. typ. max. unit i r (1) reverse leakage current t j = 25 c v r = v rrm 30 a t j = 125 c 7 30 ma v f (2) forward voltage drop t j = 25 c i f = 20 a 0.92 v t j = 125 c 0.69 0.75 t j = 25 c i f = 40 a 1.00 t j = 125 c 0.79 0.86 1. pulse test: t p = 5 ms, < 2% 2. pulse test: t p = 380 s, < 2%
STPS40170C-Y characteristics doc id 17960 rev 1 3/7 figure 1. average forward power dissipation versus average forward current (per diode) figure 2. average forward current versus ambient temperature ( = 0.5, per diode) 0 2 4 6 8 10 12 14 16 18 20 22 0 2 4 6 8 10121416182022242628 p f(av) (w) =0.05 =0.1 =0.2 =0.5 =1 t =t /t p t p i f(av) (a) 0 2 4 6 8 10 12 14 16 18 20 22 0 25 50 75 100 125 150 175 i f(av) (a) r th(j-a) =15c/w t =t /t p t p r th(j-a) =r th(j-c) t amb (c) figure 3. normalized avalanche power derating versus pulse duration figure 4. normalized avalanche power derating versus junction temperature 0.001 0.01 0.1 0.01 1 0.1 10 100 1000 1 p(t p ) p (1s) arm arm t (s) p 0 0.2 0.4 0.6 0.8 1 1.2 25 50 75 100 125 150 p(t) p (25 c) arm j arm t (c) j figure 5. non repetitive surge peak forward current versus overload duration (maximum values, per diode) figure 6. relative variation of thermal impedance junction to case versus pulse duration 0 50 100 150 200 250 1.e-03 1.e-02 1.e-01 1.e+00 i m (a) t c =50c t c =75c t c =125c i m t =0.5 t(s) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-03 1.e-02 1.e-01 1.e+00 z th(j-c) /r th(j-c) =0.1 =0.2 =0.5 single pulse t =t /t p t p t p (s)
characteristics STPS40170C-Y 4/7 doc id 17960 rev 1 figure 11. thermal resistance junction to ambient versus copper surface under tab figure 7. reverse leakage current versus reverse voltage applied (typical values, per diode) figure 8. junction capacitance versus reverse voltage applied (typical values, per diode) 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 1.e+05 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 i r (a) t j =150c t j =125c t j =25c t j =100c t j =75c t j =50c v r (v) 10 100 1000 1 10 100 1000 c(pf) f=1mhz v osc =30mv rms t j =25c v r (v) figure 9. forward voltage drop versus forward current (per diode, low level) figure 10. forward voltage drop versus forward current (per diode, high level) i fm (a) v fm (v) 0 2 4 6 8 10 12 14 16 18 20 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 tj=25c (maximum values) tj=125c (maximum values) tj=125c (maximum values) tj=125c (typical values) tj=125c (typical values) i fm (a) 1 10 100 1000 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 tj=25c (maximum values) tj=125c (maximum values) tj=125c (maximum values) tj=125c (typical values) tj=125c (typical values) v fm (v) 0 10 20 30 40 50 60 70 80 0 5 10 15 20 25 30 35 40 r th(j-a) (c/w) d2pak s cu (cm2) epoxy printed board, fr4, cu = 35 m
STPS40170C-Y package information doc id 17960 rev 1 5/7 2 package information epoxy meets ul94, v0. cooling method: by conduction (c) in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 12. footprint (dimensions in mm) table 5. d 2 pak dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.49 2.69 0.098 0.106 a2 0.03 0.23 0.001 0.009 b 0.70 0.93 0.027 0.037 b2 1.14 1.70 0.045 0.067 c 0.45 0.60 0.017 0.024 c2 1.23 1.36 0.048 0.054 d 8.95 9.35 0.352 0.368 e 10.00 10.40 0.393 0.409 g 4.88 5.28 0.192 0.208 l 15.00 15.85 0.590 0.624 l2 1.27 1.40 0.050 0.055 l3 1.40 1.75 0.055 0.069 m 2.40 3.20 0.094 0.126 r 0.40 typ. 0.016 typ. v2 0 8 0 8 g l l3 l2 b b2 e * flat zone no less than 2m m a c2 d r a2 m v2 c a1 * 16.90 10.30 8.90 3.70 5.08 1.30
ordering information STPS40170C-Y 6/7 doc id 17960 rev 1 3 ordering information 4 revision history table 6. ordering information order code marking package weight base qty delivery mode stps40170cgy-tr stps40170cgy d 2 pak 1.48 g 1000 tape and reel table 7. revision history date revision changes 03-nov-2011 1 initial release.
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