march 2009 rev 1 1/9 9 stps40sm100c power schottky rectifier features high current capability avalanche rated low forward voltage drop current high frequency operation description schottky rectifier, suited for high frequency switch mode power supply. packaged in to-220ab, d 2 pak 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 i f(av) 2 x 20 a v rrm 100 v t j (max) 150 c v f (typ) 0.435 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 a(1) k(2) a(3) to-220ab stps40sm100ct a a k k a a k i 2 pak stps40sm100cr a a k d 2 pa k STPS40SM100CG-tr 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 stps40sm100c 2/9 1 characteristics to evaluate the conduction losses use the following equation: p = 0.580 x i f(av) + 0.0043 x i f 2 (rms) table 2. absolute ratings (limiting values) 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 = 130 c per diode 20 a t c = 125 c per device 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 18000 w v arm (2) maximum repetitive peak avalanche voltage t p < 1 s t j < 150 c i ar < 45 a 120 v v asm (2) maximum single pulse peak avalanche voltage t p < 1 s t j < 150 c i ar < 45 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 to t a l 1.3 0.7 c/w r th(c) coupling 0.1 table 4. static electrical characteristics (per diode, at 25 c unless otherwise specified) symbol parameter test conditions min. typ. max. unit i r (1) reverse leakage current t j = 25 c v r = 70 v 7a t j = 125 c 7 ma t j = 25 c v r = 100 v 13 45 a t j = 125 c 13 45 ma v f (2) forward voltage drop t j = 25 c i f = 5 a 520 mv t j = 125 c 435 t j = 25 c i f = 10a 620 700 t j = 125 c 520 580 t j = 25 c i f = 20 a 740 810 t j = 125 c 605 665 1. pulse test: t p = 5 ms, < 2% 2. pulse test: t p = 380 s, < 2%
stps40sm100c characteristics 3/9 figure 2. average forward power dissipation versus average forward current (per diode) figure 3. average forward current versus ambient temperature ( = 0.5, per diode) p f (av)(w) 0 2 4 6 8 10 12 14 16 18 0 2 4 6 8 1012141618202224 =0.05 =0.1 =0.2 =0.5 =1 t =tp/t tp i (av)(a) f i f (av) (a) 0 2 4 6 8 10 12 14 16 18 20 22 0 25 50 75 100 125 150 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 j ) p (25c) arm 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 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) i m (a) 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 t =tp/t tp tp(s)
characteristics stps40sm100c 4/9 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 1 10 100 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) 35 37 39 41 43 45 47 49 51 53 55 100 110 120 130 140 150 varm (v) forbidden area operating area varm (v)
stps40sm100c package information 5/9 2 package information epoxy meets ul94, v0 cooling method: c 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. typ. max. min. typ. max. a 15.20 15.90 0.598 0.625 a1 3.75 0.147 a2 13.00 14.00 0.511 0.551 b 10.00 10.40 0.393 0.409 b1 0.61 0.88 0.024 0.034 b2 1.23 1.32 0.048 0.051 c 4.40 4.60 0.173 0.181 c1 0.49 0.70 0.019 0.027 c2 2.40 2.72 0.094 0.107 e 2.40 2.70 0.094 0.106 f 6.20 6.60 0.244 0.259 ?i 3.75 3.85 0.147 0.151 i4 15.80 16.40 16.80 0.622 0.646 0.661 l 2.65 2.95 0.104 0.116 l2 1.14 1.70 0.044 0.066 l3 1.14 1.70 0.044 0.066 m2.60 0.102 c b2 c2 f ? i l a a1 a2 b e b1 i4 l3 l2 c1 m
package information stps40sm100c 6/9 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
stps40sm100c package information 7/9 figure 12. d 2 pak footprint (dimensions in mm) table 7. 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 2mm a c2 d r a2 m v2 c a1 * 16.90 10.30 8.90 3.70 5.08 1.30
ordering information stps40sm100c 8/9 3 ordering information 4 revision history table 8. ordering information order code marking package weight base qty delivery mode stps40sm100ct ps40sm100ct to-220ab 2.2 g 50 tube stps40sm100cr ps40sm100cr i 2 pak 1.49 g 50 tube STPS40SM100CG ps40sm100cg d 2 pak 1.48 g 50 tube STPS40SM100CG-tr ps40sm100cg d 2 pak 1.48 g 1000 tape and reel table 9. document revision history date revision changes 25-mar-2009 1 first issue
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