june 2010 doc id 6727 rev 3 1/7 7 stps80h100c high voltage power schottky rectifier features high reverse voltage negligible switching losses low forward voltage drop low leakage current high temperature low thermal resistance avalanche capability specified description dual center tap schottky rectifier suited for switched mode power supplies and high frequency dc to dc converters. packaged in max247, this device is intended for use in high frequency computer and telecom converters. j table 1. device summary symbol value i f(av) 2 x 40 a v rrm 100 v t j (max) 175 c v f (max) 0.70 v a1 k a2 a1 a2 k max247 stps80h100cy www.st.com
characteristics stps80h100c 2/7 doc id 6727 rev 3 1 characteristics when the diodes 1 and 2 are used simultaneously : tj(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 = 0.5 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 100 v i f(rms) forward rms current 50 a i f(av) average forward current t c = 155 c = 0.5 per diode per device 40 80 a i fsm surge non repetitive forward current t p = 10 ms sinusoidal 400 a i rrm repetitive peak reverse current t p = 2 s, f= 1 khz 2 a p arm repetitive peak avalanche power t p = 1 s, t j = 25 c 39200 w t stg storage temperature range -65 to + 175 c t j maximum operating junction temperature (1) 1. condition to avoid thermal runaway for a diode on its own heatsink 175 c dv/dt critical rate of rise of reverse voltage 10000 v/s table 3. thermal resistance symbol parameter value unit r th(j-c) junction to case per diode to t a l 0.7 0.5 c/w r th(c) coupling 0.3 table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) 1. pulse test: t p = 5 ms, < 2% reverse leakage current t j = 25 c v r = v rrm 20 a t j = 125 c 7 20 ma v f (2) 2. pulse test: t p = 380 s, < 2% forward voltage drop t j = 25 c i f = 40 a 0.8 v t j = 125 c i f = 40 a 0.65 0.7 t j = 25 c i f = 80 a 0.94 t j = 125 c i f = 80 a 0.79 0.84 dptot dtj < 1 rth(j-a)
stps80h100c characteristics doc id 6727 rev 3 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 5 10 15 20 25 30 35 40 45 50 0 5 10 15 20 25 30 35 if(av) (a) pf(av)(w) t =tp/t tp = 1 = 0.5 = 0.2 = 0.1 = 0.05 0 25 50 75 100 125 150 175 0 5 10 15 20 25 30 35 40 45 50 tamb(c) if(av)(a) rth(j-a)=5c/w rth(j-a)=rth(j-c) t =tp/t tp 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 (per diode) 1e-3 1e-2 1e-1 1e+0 0 100 200 300 400 500 t(s) im(a) tc=50c tc=75c tc=110c i m t =0.5 1e-3 1e-2 1e-1 1e+0 0.0 0.2 0.4 0.6 0.8 1.0 tp(s) zth(j-c) / rth(j-c) single pulse = 0.5 = 0.2 = 0.1 t =tp/t tp
characteristics stps80h100c 4/7 doc id 6727 rev 3 figure 9. forward voltage drop versus forward current (maximum value, per diode) 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) 0 102030405060708090100 1e-1 1e+0 1e+1 1e+2 1e+3 1e+4 vr(v) ir(a) tj=125c tj=25c 1 2 5 10 20 50 100 0.1 1.0 5.0 vr(v) c(nf) f=1mhz tj=25c 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 1 10 100 500 vfm(v) ifm(a) tj=25c tj=125c
stps80h100c package information doc id 6727 rev 3 5/7 2 package information epoxy meets ul94, v0 lead-free packages 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. table 5. max247 dimensions ref. dimensions millimeters inches min. max. min. max. a 4.70 5.30 0.185 0.209 a1 2.20 2.60 0.087 0.102 b 1.00 1.40 0.038 0.055 b1 2.00 2.40 0.079 0.094 b2 3.00 3.40 0.118 0.133 c 0.40 0.80 0.016 0.031 d 19.70 20.30 0.776 0.799 e 5.35 5.55 0.211 0.219 e 15.30 15.90 0.602 0.626 l 14.20 15.20 0.559 0.598 l1 3.70 4.30 0.146 0.169 ea d l l1 b1 b2 bc a1 e
ordering information stps80h100c 6/7 doc id 6727 rev 3 3 ordering information 4 revision history table 6. ordering information order code marking package weight base qty delivery mode stps80h100cy stps80h100cy max247 4.4 g 30 tube table 7. document revision history date revision change july-2003 2b last release. 21-jun-2010 3 updated package illustration on page 1 and section 2: package information on page 5 .
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