bu931/bu931p BU931PFI high voltage ignition coil driver npn power darlington preliminary data very rugged bipolar technology high operating junction temperature wide range of packages applications high ruggedness electronic ignitions internal schematic diagram dicember 1993 absolute maximum ratings symbol parameter value unit bu931 bu931p BU931PFI v ces collector-emitter voltage (v be =0) 500 v v ceo collector-emitter voltage (i b =0) 400 v v ebo emitter-base voltage (i c =0) 5 v i c collector current 15 a i cm collector peak current 30 a i b base current 1 a i bm base peak current 5 a p tot total dissipation at t c =25 o c 175 135 60 w t stg storage temperature -65 to 200 -65 to 175 -65 to 175 o c t j max. operating junction temperature 200 175 175 o c 1 2 to-3 1 2 3 to-218 isowatt218 1 2 3 for to-3 emitter: pin 2 base: pin 1 collector: tab 1/8
thermal data to-3 to-218 isowatt218 r thj-case thermal resistance junction-case max 1 1.1 2.5 o c/w electrical characteristics (t case =25 o c unless otherwise specified) symbol parameter test conditions min. typ. max. unit i ces collector cut-off current (v be =0) v ce = 500 v v ce = 500 v t j = 125 o c 100 0.5 a ma i ceo collector cut-off current (i b =0) v ce = 450 v v ce = 450 v t j = 125 o c 100 0.5 a ma i ebo emitter cut-off current (i c =0) v eb =5v 20 ma v ceo(sus) ? collector-emitter sustaining voltage i c = 100 ma l = 10 mh i b =0 v clamp = rated v ceo (see fig.4) 400 v v ce(sat) ? collector-emitter saturation voltage i c =7a i b =70ma i c =8a i b =100ma i c =10a i b =250ma 1.6 1.8 1.8 v v v v be(sat) ? base-emitter saturation voltage i c =7a i b =70ma i c =8a i b =100ma i c =10a i b =250ma 2.2 2.4 2.5 v v v h fe ? dc current gain i c =5a v ce = 10 v 300 v f diode forward voltage i f =10a 2.5 v functional test (see fig. 1) v cc =24vv clamp =400v l=7mh 8 a t s t f inductive load storage time fall time (see fig. 3) v cc =12vv clamp =300vl=7mh i c =7a i b =70ma v be =0 r be =47 ? 15 0.5 s s ? pulsed: pulse duration = 300 s, duty cycle 1.5 % safe operating areas dc current gain bu931/bu931p/BU931PFI 2/8
collector-emitter sturation voltage collector-emitter sturation voltage collector-emitter sturation voltage base-emitter sturation voltage base-emitter sturation voltage switching times inductive load bu931/bu931p/BU931PFI 3/8
figure 1: functional test circuit figure 2: functional test waveforms figure 3: switching time test circuit figure 4: sustaining voltage test circuit bu931/bu931p/BU931PFI 4/8
dim. mm inch min. typ. max. min. typ. max. a 11.00 13.10 0.433 0.516 b 0.97 1.15 0.038 0.045 c 1.50 1.65 0.059 0.065 d 8.32 8.92 0.327 0.351 e 19.00 20.00 0.748 0.787 g 10.70 11.10 0.421 0.437 n 16.50 17.20 0.649 0.677 p 25.00 26.00 0.984 1.023 r 4.00 4.09 0.157 0.161 u 38.50 39.30 1.515 1.547 v 30.00 30.30 1.187 1.193 c d n b v u r a p e g o p003f to-3 mechanical data bu931/bu931p/BU931PFI 5/8
dim. mm inch min. typ. max. min. typ. max. a 4.7 4.9 0.185 0.193 c 1.17 1.37 0.046 0.054 d 2.5 0.098 e 0.5 0.78 0.019 0.030 f 1.1 1.3 0.043 0.051 g 10.8 11.1 0.425 0.437 h 14.7 15.2 0.578 0.598 l2 ? 16.2 ? 0.637 l3 18 0.708 l5 3.95 4.15 0.155 0.163 l6 31 1.220 r ? 12.2 ? 0.480 ? 4 4.1 0.157 0.161 r a c d e h f g l6 ? l3 l2 l5 123 to-218 (sot-93) mechanical data p025a bu931/bu931p/BU931PFI 6/8
dim. mm inch min. typ. max. min. typ. max. a 5.35 5.65 0.210 0.222 c 3.3 3.8 0.130 0.149 d 2.9 3.1 0.114 0.122 d1 1.88 2.08 0.074 0.081 e 0.45 1 0.017 0.039 f 1.05 1.25 0.041 0.049 g 10.8 11.2 0.425 0.441 h 15.8 16.2 0.622 0.637 l1 20.8 21.2 0.818 0.834 l2 19.1 19.9 0.752 0.783 l3 22.8 23.6 0.897 0.929 l4 40.5 42.5 1.594 1.673 l5 4.85 5.25 0.190 0.206 l6 20.25 20.75 0.797 0.817 m 3.5 3.7 0.137 0.145 n 2.1 2.3 0.082 0.090 u 4.6 0.181 l1 a c d e h g m f l6 123 u l5 l4 d1 n l3 l2 isowatt218 mechanical data p025c bu931/bu931p/BU931PFI 7/8
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