april 2010 doc id 15522 rev 3 1/8 8 STPS40M100C power schottky rectifier features high current capability avalanche rated low forward voltage drop current high frequency operation description this dual diode schottky rectifier is suited for high frequency switch mode power supply. packaged in to-220ab and i 2 pak, this device is intended to be used in notebook, game station and desktop adaptors, providing in these applications a good efficiency at both low and high load. figure 1. electrical characteristics (a) table 1. device summary symbol value i f(av) 2 x 20 a v rrm 100 v t j (max) 150 c v f (typ) 0.420 v a. v arm and i arm must respect the reverse safe operating area defined in figure 11 v ar and i ar are pulse measurements (t p < 1 s). v r , i r , v rrm and v f , are static characteristics a1 (1) a1 a1 k (2) k k k a2 (3) a2 a2 to220ab STPS40M100Ct i2pak STPS40M100Cr i f 2 x i o i o i r i ar v f(i o ) v to v f(2xi o ) v f v i i v v r v rrm "reverse" "forward" v ar x x www.st.com
characteristics STPS40M100C 2/8 doc id 15522 rev 3 1 characteristics when diodes 1 and 2 are used simultaneously t j (diode 1) = p(diode 1) x r th(j-c) (per diode) + p(diode 2) x r th(c) to evaluate the conduction losses use the following equation: p = 0.560 x i f(av) + 0.004x i f 2 (rms) table 2. absolute ratings (limiting values per diode at 25 c unless otherwise stated) symbol parameter value unit v rrm repetitive peak reverse voltage 100 v i f(rms) forward current rms 60 a i f(av) average forward current = 0.5 t c = 125 c per diode 20 a t c = 120 c per package 40 i fsm surge non repetitive forward current t p = 10 ms sinusoidal 530 a p arm (1) repetitive peak avalanche power t p = 1 s t j = 25 c 23 200 w v arm (2) maximum repetitive peak avalanche voltage t p < 1 s t j < 150 c, i ar < 58 a 120 v v asm (2) maximum single pulse peak avalanche voltage t p < 1 s t j < 150 c, i ar < 58 a 120 v t stg storage temperature range -65 to + 175 c t j maximum operating junction temperature (3) 150 c 1. for temperature or pulse time duration deratings, refer to figure 4. and figure 5. . more details regarding the avalanche energy measurements and diode validation in the avalanche are provided in the application notes an1768 and an2025. 2. refer to figure 11 3. condition to avoid thermal runaway for a diode on its own heatsink dptot dtj < 1 rth(j-a) table 3. thermal resistance symbol parameter value unit r th(j-c) junction to case per diode 1.4 c/w total 0.95 r th(c) coupling 0.5 c/w table 4. static electrical characteristics symbol parameter test conditions min. typ. max. unit i r (1) reverse leakage current t j = 25 c v r = v rrm --70a t j = 125 c - 15 70 ma t j = 25 c v r = 70 v --40a t j = 125 c - 7.5 40 ma v f (2) forward voltage drop t j = 125 c i f = 5 a - 0.415 0.500 v t j = 125 c i f = 10a - 0.500 0.560 - t j = 25 c i f = 20 a --0.780 - t j = 125 c - 0.585 0.640 - 1. pulse test: t p = 5 ms, < 2% 2. pulse test: t p = 380 s, < 2%
STPS40M100C characteristics doc id 15522 rev 3 3/8 figure 2. average forward power dissipation versus average forward current (per diode) figure 3. average forward current per diode versus ambient temperature ( = 0.5) 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10121416182022242628 p f(av) (w) =0.05 =0.1 =0.2 =0.5 =1 t =tp/t tp i () (a) fav 0 2 4 6 8 10 12 14 16 18 20 22 0 25 50 75 100 125 150 i f(av) (a) r th(j-a) =r th(j-c) r th(j-a) =15 c/w t =tp/t tp t (c) amb figure 4. normalized avalanche power derating versus pulse duration figure 5. normalized avalanche power derating versus junction temperature 0.01 0.1 0.01 1 0.1 10 100 1000 1 t (s) p p(t) p (1s) arm p arm 0.001 0 0.2 0.4 0.6 0.8 1 1.2 25 50 75 100 125 150 t (c) j p(t) p (25c) arm j arm figure 6. non repetitive surge peak forward current versus overload duration (maximum values per diode) figure 7. relative variation of thermal impedance junction to case versus pulse duration i m (a) 0 50 100 150 200 250 300 350 1.e-03 1.e-02 1.e-01 1.e+00 t c =25 c t c =75 c t c =125 c i m t =0.5 t(s) z th(j-c) /r th(j-c) 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 single pulse tp(s)
characteristics STPS40M100C 4/8 doc id 15522 rev 3 figure 8. reverse leakage current versus reverse voltage applied (typical values, per diode) figure 9. junction capacitance versus reverse voltage applied (typical values, per diode) figure 10. forward voltage drop versus forward current (per diode) figure 11. reverse safe operating area (t p < 1 s and t j < 150 c) i r (ma) 1.e-03 1.e-02 1.e-01 1.e+00 1.e+01 1.e+02 0 102030405060708090100 t j =125 c t j =100 c t j =75 c t j =50 c t j =25 c t j =150 c v r (v) c(pf) 100 1000 10000 110100 f=1 mhz v osc =30 mv rms t j =25 c v r (v) i fm (a) 0 5 10 15 20 25 30 35 40 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 t j =25 c (maximum values) t j =125 c (maximum values) t j =125 c (maximum values) t j =125 c (typical values) t j =125 c (typical values) v (v) fm iarm (a) 45 50 55 60 65 70 100 110 120 130 140 150 operating area forbidden area varm (v)
STPS40M100C package information doc id 15522 rev 3 5/8 2 package information epoxy meets ul94, v0 cooling method: conduction recommended torque value: 0.4 to 0.6 nm 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. to-220ab dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 c 1.23 1.32 0.048 0.051 d 2.40 2.72 0.094 0.107 e 0.49 0.70 0.019 0.027 f 0.61 0.88 0.024 0.034 f1 1.14 1.70 0.044 0.066 f2 1.14 1.70 0.044 0.066 g 4.95 5.15 0.194 0.202 g1 2.40 2.70 0.094 0.106 h2 10 10.40 0.393 0.409 l2 16.4 typ. 0.645 typ. l4 13 14 0.511 0.551 l5 2.65 2.95 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.20 6.60 0.244 0.259 l9 3.50 3.93 0.137 0.154 m 2.6 typ. 0.102 typ. diam. 3.75 3.85 0.147 0.151 a c d l7 dia l5 l6 l9 l4 f h2 g g1 l2 f2 f1 e m
package information STPS40M100C 6/8 doc id 15522 rev 3 mounting (soldering) the i2pak metal slug (heatsink) with alloy, like a surface mount device, is not permitted. a standard through-hole mounting is mandatory. table 6. i 2 pak dimensions ref. dimensions millimeters inches min. max. min. max. a 4.40 4.60 0.173 0.181 a1 2.40 2.72 0.094 0.107 b 0.61 0.88 0.024 0.035 b1 1.14 1.70 0.044 0.067 c 0.49 0.70 0.019 0.028 c2 1.23 1.32 0.048 0.052 d 8.95 9.35 0.352 0.368 e 2.40 2.70 0.094 0.106 e1 4.95 5.15 0.195 0.203 e 10 10.40 0.394 0.409 l 13 14 0.512 0.551 l1 3.50 3.93 0.138 0.155 l2 1.27 1.40 0.050 0.055 e l2 l1 b1 d a1 c c2 a b e e1 l
STPS40M100C ordering information doc id 15522 rev 3 7/8 3 ordering information 4 revision history table 7. ordering information order code marking package weight base qty delivery mode STPS40M100Ct STPS40M100Ct to-220ab 1.9 g 50 tube STPS40M100Cr STPS40M100Cr i 2 pa k 1.5 g 50 tube table 8. document revision history date revision changes 25-mar-2009 1 first issue. 10-apr-2010 2 updated package graphics. 29-apr-2010 3 added i2pak package. updated weight in table 7.
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