this is information on a product in full production. may 2012 doc id 018928 rev 2 1/7 7 STPS1150-Y automotive power schottky rectifier datasheet ? production data features aec-q101 qualified negligible switching losses low forward voltage drop for higher efficiency and extended battery life low thermal resistance surface mount miniature package avalanche capability specified ecopack ? 2 compliant component description these 150 v power schottky rectifiers are suited for switch mode power supplies on up to 24 v rails and high frequency converters. packaged in sma, this device is intended for use in automotive applications where low drop forward voltage is required to reduce power dissipation. table 1. device summary symbol values i f(av) 1 a v rrm 150 v t j (max) 175 c v f (max) 0.67 v k a sma stps1150ay www.st.com
characteristics STPS1150-Y 2/7 doc id 018928 rev 2 1 characteristics to evaluate the conduction losses use the following equation: p = 0.59 x i f(av) + 0.08 i f 2 (rms) table 2. absolute ratings (limiting values) symbol parameter value unit v rrm repetitive peak reverse voltage 150 v i f(rms) forward rms current 15 a i f(av) average forward current t l = 150 c = 0.5 1 a i fsm surge non repetitive forward current t p = 10 ms sinusoidal 50 a p arm repetitive peak avalanche power t p = 1s t j = 25 c 1500 w t stg storage temperature range -65 to +175 c t j operating junction temperature range (1) -40 to +175 c 1. condition to avoid runaway for a diode on its own heatsink d ptot dtj - -------------- 1 rth j a ? () ------------------------- - < table 3. thermal resistance symbol parameter value unit r th(j-c) junction to case 20 c/ w table 4. static electrical characteristics symbol parameter tests co nditions min. typ. max. unit i r (1) reverse leakage current t j = 25 c v r = v rrm 0.2 1.0 a t j = 125 c 0.2 1.0 ma v f (2) forward voltage drop t j = 25 c i f = 1 a 0.78 0.82 v t j = 125 c 0.62 0.67 t j = 25 c i f = 2 a 0.85 0.89 t j = 125 c 0.69 0.75 1. t p = 5 ms, < 2% 2. t p = 380 s, < 2%
STPS1150-Y characteristics doc id 018928 rev 2 3/7 figure 1. average forward power dissipation versus average forward current figure 2. average forward current versus ambient temperature ( = 0.5) p (w) f(av) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.0 0.2 0.4 0.6 0.8 1.0 1.2 i (a) f(av) t =tp/t tp = 1 = 0.5 = 0.05 = 0.1 = 0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 25 50 75 100 125 150 175 t = t / t p t p i (a) f(av) r th(j-a) = r th(j-l) r th(j-a) = 120 c/w 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 t (s) p p(t p ) p (1 s) arm arm 0 0.2 0.4 0.6 0.8 1 1.2 25 50 75 100 125 150 t (c) j p(t j ) p (25 c) arm arm figure 5. non repetitive surge peak forward current versus overload duration - maximum values figure 6. relative variation of thermal impedance junction to ambient versus pulse duration i (a) m 0 1 2 3 4 5 6 7 8 1.e-03 1.e-02 1.e-01 1.e+00 t =25c a t =75c a t =125c a i m t =0.5 t(s) sma 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+0 3 sma z/r th(j-a) th(j-a) single pulse t (s) p
characteristics STPS1150-Y 4/7 doc id 018928 rev 2 figure 7. reverse leakage current versus reverse voltage applied (typical values) figure 8. junction capacitance versus reverse voltage applied (typical values) i (a) r 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 1.e+04 0 25 50 75 100 125 150 t =125c j t =150c j t =100c j t =50c j t =25c j t =75c j v (v) r c(pf) 1 10 100 1 10 100 1000 f=1mhz v =30mv t =25c osc rms j v (v) r figure 9. forward voltage drop versus forward current (all packages) figure 10. thermal resistance junction to ambient versus copper surface under each lead (sma) i (a) fm 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 v (v) fm t =125c (maximum values) j t =125c (typical values) j t =25c (maximum values) j r th(j-a) (c/w) 0 10 20 30 40 50 60 70 80 90 100 110 120 130 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 s cu (cm2) epoxy printed circuit board, copper thickness = 35 m
STPS1150-Y package information doc id 018928 rev 2 5/7 2 package information band shows cathode. epoxy meets ul94, v0 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 11. footprint (dimensions in mm) table 5. sma dimensions ref. dimensions millimeters inches min. max. min. max. a1 1.90 2.45 0.075 0.094 a2 0.05 0.20 0.002 0.008 b 1.25 1.65 0.049 0.065 c 0.15 0.40 0.006 0.016 d 2.25 2.90 0.089 0.114 e 4.80 5.35 0.189 0.211 e1 3.95 4.60 0.156 0.181 l 0.75 1.50 0.030 0.059 e c l e1 d a1 a2 b 2.63 (0.104) 5.43 (0.214) 1.4 1.64 (0.064) 1.4 (0.055) (0.055)
ordering information STPS1150-Y 6/7 doc id 018928 rev 2 3 ordering information 4 revision history table 6. ordering information order code marking package weight base qty delivery mode stps1150ay 1150y sma 0.068 g 5000 tape and reel table 7. document revision history date revision changes 02-nov-2011 1 initial release. 02-may-2012 2 updated ta bl e 3 .
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