1/7 avs08 ? january 2002 - ed: 3c automatic voltage switch (smps < 200w) avs1bcp08 dip-8 n high efficiency and safety switching n uninsulated package : AVS08CB n insulated package 2500v( rms ) : AVS08CBi n v drm = 500 v n i t(rms) :5a triac the avs08 kit is an automatic mains selector (110/220v ac) to be used in smps < 200 w. it is composed of 2 devices : n the controller is optimized for low consumption and high security triggering of the triac. when connected to v ss , the mode input activates an additional option . if the main power drops from 220v to 110v, the triac control remains locked to the 220v mode and avoids any high voltage spike when the voltage is restored to 220v. when connected to v dd , the mode input desactivates this option. n the triac is specially designed for this application. an optimization between sensitivity and dynamic parameters of the triac gate highly reduces the losses of supply resistor and allows excellent immunity against disturbances. description 1 2 3 4 v m mode v g 8 7 6 5 v dd v ss osc / in osc / out n.c. pin connection n 50/60hz full compatibility n integrated voltage regulator n triggering pulse train of the triac n parasitic filter n low power consumption controller a2 a2 a1 g AVS08CB to-220ab
avs08 2/7 symbol parameter value unit min. max. v ss supply voltage -12 0.5 v v i /v o i / o voltage v ss -0.5 0.5 v i i /i o i / o current -40 +40 ma tstg storage temperature -60 +150 c toper operating temperature code ''c'' 0 +70 c absolute maximum ratings controller avs1bcp08 q q cp s cp mode a2 a1 osc/in osc/out zero crossing detector oscillator supply peak voltage detector reset parasitic filter mains mode controller triggering time controller avs1bcp08 AVS08CB or AVS08CBi block diagram symbol parameter value unit v drm repetitive peak off-state voltage (2) 500 v i t(rms) rms on-state current (360 conduction angle) AVS08CB t c = 100c 5 a AVS08CBi t c = 95c i tsm non repetitive surge peak on-state current ( t j initial = 25c ) t = 8.3ms t = 10ms 70 65 a i 2 ti 2 t value t = 10ms 21 a 2 s di / dt critical rate of rise of on-state current (1) repetitive f = 50hz 20 a/s non repetitive 100 t stg t j storage temperature junction temperature range - 40 + 125 - 10 + 125 c (1) gate supply : i g = 100ma C di/dt = 1a / m s (2) t j = 125c triac AVS08CB / AVS08CBi t j = +25c (unless otherwise specified)
avs08 3/7 symbol parameter value unit rth (j-a) junction to ambient 60 c/w rth (j-c) dc junction to case for dc AVS08CB 5.4 c/w AVS08CBi 6.3 rth (j-c) ac junction to case for 360 conduction angle (f = 50hz) AVS08CB 4.0 c/w AVS08CBi 4.7 thermal resistance triac AVS08CB / AVS08CBi symbol parameter value unit min. max. v tm *i tm =7a t p = 10ms t j = 25c 1.65 v i drm *v drm rated gate open t j = 25c 10 m a * for either polarity of electrode a 2 voltage with reference to electrode a 1 dc general electrical characteristics triac AVS08CB / AVS08CBi fig. 1: maximum rms power dissipation versus rms on-state current (f = 60hz). (curves are cut off by (di/dt)c limitation)
avs08 4/7 undetermined power-on reset normal operation power-off reset undetermined 0v -2.7v vrazlt vreg = vss - vdd vrazht -2.7v 0v power-on and power-off reset behaviour symbol parameter value unit min. typ. max. v ss (pin 1) (vreg) shunt regulator -10 -9 -8 v i ss (pin 1) (vreg) (@ v ss = 9v) supply current 0.4 25 ma i ss (pin 1) (@ triac gate non connected) quiescent current 1 ma f (pin 3) (@ r = 91k w ) (c = 100pf) oscillator frequency 42 44 46 khz v m (pin 8) vth (3) peak voltage of detection high-threshold 4.08 4.25 4.42 v v m (pin 8) vh (3) peak voltage of detection hysteresis 0.370 0.4 0.420 v (1) v m (pin 8) vth (3) zero-crossing detection high-threshold 95 110 125 mv v m (pin 8) vh (3) zero-crossing detection hysteresis 27 50 80 mv (2) vrazht (4) power-on-reset activation threshold vreg x 0.89 v (2) vrazlt (4) power-down-reset activation threshold 3 6.95 v mode (pin 7) v il (4) v ih (4) 0.7 vreg 0.3 vreg v v g (pin 5) v ol (i vg = 25ma) leakage current (v g =v dd ) 1 +50 v m a note: (1) : this value gives a typical noise immunity on the zero-crossing detectionof 110mv x 1018/18 = 6.20v on the main supply (2) : see following diagram (3) : voltage referred to v ss (4) : voltage referred to v dd dc general electrical characteristics (continued) controller avs1bcp08 toper = 25c (unless otherwise specified)
avs08 5/7 option 7 5 4 ntc ntc 110 v or 220v g 1 n 4007 r1 1m w 1 % 8 3 21 a 1 a 2 v v dd ss v dd v g v m 91k 1 % w 100pf 5 % v ss 2 x 9.1k w 1w r2 18k w 1 % 390 w AVS08CB or AVS08CBi avs1bcp08 33f 16v avs08 typical application avs08 avs 1b c p08 avs 08 c b i automatic voltage switch identification operating temperature c = 0/70c package: dip-8 automatic voltage switch identification operating temperature c = 0/70c package b: to-220ab insulated suffix controller triac ordering information
avs08 6/7 package mechanical data dip-8 plastic (controller) 8 1 5 4 e d f b1 b e3 e z b b1 i l a1 ref. dimensions millimetres inches min. typ. max. min. typ. max. a1 0.70 0.027 b 1.39 1.65 0.055 0.065 b1 0.91 1.04 0.036 0.041 b 0.5 0.020 b1 0.38 0.50 0.015 0.020 d 9.80 0.385 e 8.8 0.346 e 2.54 0.100 e3 7.62 0.300 f 7.1 0.280 i 4.8 0.189 l 3.3 0.130 z 0.44 1.60 0.017 0.063
avs08 7/7 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written ap- proval of stmicroelectronics. the st logo is a registered trademark of stmicroelectronics ? 2002 stmicroelectronics - printed in italy - all rights reserved. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany hong kong - india - israel - italy - japan - malaysia - malta - morocco - singapore spain - sweden - switzerland - united kingdom - united states. http://www.st.com package mechanical data to-220ab (plastic) (triac) m b l4 c b2 a2 l2 c2 l3 b1 a1 a f l i e c1 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 m 2.60 0.102 part number marking weight base qty packing mode AVS08CB AVS08CB 2.3 g 1000 tube AVS08CBi AVS08CBi 2.3 g 1000 tube avs1bcp08 avs1bcp08 0.6 g 2000 tube other information n cooling method: c n recommended torque value: 0.8 m.n n maximum torque value: 1 m.n
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