january 2011 doc id 15898 rev 2 1/10 10 STTH20LCD06C turbo2 ultrafast - high voltage rectifier for smps features ultrafast switching low reverse current low thermal resistance reduces conduction and switching losses description the STTH20LCD06C uses st turbo2 technology. this device is specially suited for switching power supplies working with interleaved pfcs. table 1. device summary i f(av) 2 x 10 a v rrm 600 v t j 175 c v f (typ) 1.25 v t rr (max) 50 ns a1 k a2 a1 k a2 k a1 a2 k a1 a2 to-220ab STTH20LCD06Ct to-220fpab STTH20LCD06Cfp d 2 pak STTH20LCD06Cg-tr www.st.com
characteristics STTH20LCD06C 2/10 doc id 15898 rev 2 1 characteristics to evaluate the conduction losses use the following equation: p = 1.2 x i f(av) + 0.04 x i f 2 (rms) table 2. absolute ratings (1) 1. limiting values per diode at 25 c, unless otherwise specified symbol parameter value unit v rrm repetitive peak reverse voltage 600 v i f(rms) forward current rms 30 a i f(av) average forward current, = 0.5 t c = 105 c to-220ab, d 2 pa k per diode 10 a per device 20 a t c = 60 c to-220fpab per diode 10 a per device 20 a i fsm surge non repetitive forward current t p = 10 ms sinusoidal 80 a t stg storage temperature range -65 to + 175 c t j maximum operating junction temperature (2) 2. condition to avoid thermal r unaway for a diode on its own heatsink 175 c table 3. thermal resistance symbol parameter value unit r th(j-c) junction to case to-220ab, d 2 pa k 3 . 5 c/w to-220fpab 5.8 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 --1 a t j = 150 c - 10 100 v f (2) 2. pulse test: t p = 380 s, < 2 % forward voltage drop t j = 25 c i f = 10 a --2 v t j = 150 c - 1.25 1.6 t j = 25 c i f = 20 a - - 2.35 t j = 150 c - 1.55 2 dptot dtj < 1 rth(j-a)
STTH20LCD06C characteristics doc id 15898 rev 2 3/10 table 5. dynamic electrical characteristics symbol parameter test conditions min. typ. max. unit t rr reverse recovery time i f = 0.5 a, i rr = 0.25 a, i r = 1 a, t j = 25 c 25 ns i f = 1 a, di f /dt = -50 a/s, v r = 30 v, t j = 25 c 35 50 i rm reverse recovery current i f = 10 a, di f /dt = -50 a/s, v r = 400 v, t j = 125 c 22.8a t fr forward recovery time i f = 10 a, di f /dt = 100 a/s v fr = 1.1 x v fmax , t j = 25 c 230 ns v fp forward recovery voltage i f = 10 a, di f /dt = 100 a/s v fr = 1.1 x v fmax , t j = 25 c 4v figure 1. average forward power dissipation versus average forward current (per diode) figure 2. forward voltage drop versus forward current (per diode) 0 4 8 12 16 20 24 02468101214 p f(av) (w) t = t p /t t p = 0.1 = 0.2 = 0.5 = 0.05 = 1 0 20 40 60 80 100 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 i fm (a) v fm (v) t j = 150 c (maximum values) t j = 150 c (typical values) t j = 25 c (maximum values) figure 3. relative variation of thermal impedance junction to case versus pulse duration (to-220ab, d 2 pak) figure 4. relative variation of thermal impedance junction to case versus pulse duration (to-220fpab) 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.e-04 1.e-03 1.e-02 1.e-01 1.e+00 z th(j-c) /r th(j-c) to-220ab d 2 pa k single pulse t p (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 1.e+01 z th(j-c) /r th(j-c) to-220fpab single pulse t p (s)
characteristics STTH20LCD06C 4/10 doc id 15898 rev 2 figure 5. peak reverse recovery current versus di f /dt (typical values, per diode) figure 6. reverse recovery time versus di f /dt (typical values, per diode) 0 1 2 3 4 5 6 7 8 9 10 0 50 100 150 200 250 300 350 400 450 500 i rm (a) i f = i f(av) v r = 400 v t j = 125 c di f /dt (a/s) 0 20 40 60 80 100 120 140 160 180 200 220 240 0 50 100 150 200 250 300 350 400 450 500 t rr (ns) i f = i f(av) v r = 400 v t j = 125 c di f /dt (a/s) figure 7. reverse recovery charges versus di f /dt (typical values, per diode) figure 8. reverse recovery softness factor versus di f /dt (typical values, per diode) 0 50 100 150 200 250 300 350 400 450 500 550 0 50 100 150 200 250 300 350 400 450 500 q rr (nc) i f = i f(av) v r = 400 v t j = 125 c di f /dt (a/s) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 50 100 150 200 250 300 350 400 450 500 s factor di f /dt (a/s) i f = i f(av) v r = 400 v t j = 125 c figure 9. relative variations of dynamic parameters versus junction temperature figure 10. transient peak forward voltage versus di f /dt (typical values, per diode) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 25 50 75 100 125 i f = i f(av) v r = 400 v refernce t j = 125 c t j (c) i rm s factor q rr 0 2 4 6 8 10 12 14 16 18 0 50 100 150 200 250 300 350 400 450 500 v fp (v) di f /dt (a/s) i f = i f(av) t j = 125 c
STTH20LCD06C characteristics doc id 15898 rev 2 5/10 figure 13. thermal resistance junction to ambient versus copper surface under tab figure 11. forward recovery time versus di f /dt (typical values, per diode) figure 12. junction capacitance versus reverse voltage applied (typical values, per diode) 0 20 40 60 80 100 120 140 160 180 200 0 50 100 150 200 250 300 350 400 450 50 0 t fr (ns) i f = i f(av) v r = 1.1 x v f max. t j = 125 c di f /dt (a/s) 1 10 100 1 10 100 1000 c (pf) f = 1 mhz v osc = 30 mv rms t j = 25 c v r (v) 0 10 20 30 40 50 60 70 80 0 5 10 15 20 25 30 35 4 0 r th(j-a) (c/w) s cu (cm2) d 2 pa k epoxy printed board fr4, copper thickness: 35 m
package information STTH20LCD06C 6/10 doc id 15898 rev 2 2 package information epoxy meets ul94, v0 cooling method: by conduction (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 6. 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
STTH20LCD06C package information doc id 15898 rev 2 7/10 table 7. to-220fpab dimensions ref. dimensions millimeters inches min. max. min. max. a 4.4 4.6 0.173 0.181 b 2.5 2.7 0.098 0.106 d 2.5 2.75 0.098 0.108 e 0.45 0.70 0.018 0.027 f 0.75 1 0.030 0.039 f1 1.15 1.70 0.045 0.067 f2 1.15 1.70 0.045 0.067 g 4.95 5.20 0.195 0.205 g1 2.4 2.7 0.094 0.106 h 10 10.4 0.393 0.409 l2 16 typ. 0.63 typ. l3 28.6 30.6 1.126 1.205 l4 9.8 10.6 0.386 0.417 l5 2.9 3.6 0.114 0.142 l6 15.9 16.4 0.626 0.646 l7 9.00 9.30 0.354 0.366 dia. 3.00 3.20 0.118 0.126 h a b dia l7 l6 l5 f1 f2 f d e l4 g1 g l2 l3
package information STTH20LCD06C 8/10 doc id 15898 rev 2 table 8. 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 *
STTH20LCD06C ordering information doc id 15898 rev 2 9/10 3 ordering information 4 revision history table 9. ordering information order code marking package weight base qty. delivery mode STTH20LCD06Ct STTH20LCD06Ct to-220ab 2.23 g 50 tube STTH20LCD06Cg-tr STTH20LCD06Cg d 2 pak 1.48 g 1000 tape and reel STTH20LCD06Cfp STTH20LCD06C to-220fpab 2.04 g 50 tube table 10. document revision history date revision changes 24-jul-2009 1 first issue. 17-jan-2011 2 updated dimensions and graphic in ta bl e 7 .
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