ky SGS-THOMSON MICROELECTRONICS BU931/BU931P BU931PFI HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON a VERY RUGGED BIPOLAR TECHNOLOGY HIGH OPERATING JUNCTION TEMPERATURE = WIDE RANGE OF PACKAGES APPLICATIONS HIGH RUGGEDNESS ELECTRONIC IGNITIONS WATT218 1 for. TO-3 . : Emitter: pin 2 ae r 4 Base: pint Ne ! Collector: tab _ At gee Lo ABSOLUTE MAXIMUM RATINGS i Symbol Parameter I Value Unit BU931 BuUg31P BUS3IPFI Vces [Collactor-Emitter Voltage (Vee = 0) 500 Vv Vceo |Collector-Emitter Voltage (lg = 0} 400 Vv Verso |Emitter-Base Voltage (ic = 0) 5 Vv lc Collector Current 15 A tom Collector Peak Current 30 A Ip Base Current 1 A lam Base Peak Current 5 A Prot Total Dissipation at T. = 25 C 175 135 60 Ww Tstg Storage Temperature -65 to 200 | -6510 175 | -65 to 175 C Tj Max. Operating Junction Temperature 200 175 175 C September 1997 1/4 231BU931/BU931P/BU931PFI THERMAL DATA | TO-3 TO-218 ISOWATT218 : Rihj-case |Thermal Resistance Junction-case Max 1 1 2.5 ecw ELECTRICAL CHARACTERISTICS (Tease = 25 C unless otherwise specified) Symbol Parameter Test Conditions Min. | Typ. Max. | Unit Ices | Collector Cut-oft Voce = 500 V 100 | pA Current (Vee = 0} Vee = 500V Tj= 125C 0.5 mA Iceo = | Cailector Cut-off Voe = 450 V 100 BA |Current (Ip = 0} Vce=450V TT) = 125C 0.5 mA leno Emitter Cut-off Current |Veg = 5 V 20 mA (tc = 0} Vceqsus)* |Collector-Emitter le=100mA L=10mH tg =0 400 V Sustaining Voltage Votamp = RATED Vceo (See FIG.4) Vcersay* | Collector-Emitter les 7A Ip = 70 mA 1.6 Vv Saturation Voltage lc=B8A Ip=100mA 1.8 Vv tlc=10A Igp=250mA 1.8 v Veesat* |Base-Emitter lc=7A la = 70 mA | 2.2 Vv Saturation Voltage lo=8A tga=100mA | 2.4 Vv le=10A Ig = 250mA 25 ); VOY ee fn nore hres DC Current Gain lo=5A Vee=10V 300 : Ve Diode Forward Voltage Ne = 110A 2.5 Vv Functional Test [Voc = 24 V Velamp = 400 V L= 7 mH 8 | (see fig. 1) : | ~ | 1 7 . INDUCTIVE LOAD Veco = 12 V Veiamp = 300 V L= 7 mH \ ts Storage Time lo=7A la=70mA 15 | Ls tr Fall Time Vee=O Ree = 4702 0.5 + WS (see fig. 3) a + Pulsed: Pulse duration = 300 ys, duty cycle 1.5% Safe Operating Area DC Current Gain S782 GeBU931/BU931 P/BU931 PFI Collector Emitter Saturation Voltage ~ 875 Voetsat w) ' 2 4 6 Ie (A) Collector Emitter Saturation Voltage Vee(sat) 0 50 100 Iyima} Base Emitter Saturation Voltage Vee(uat) Ww) 1 2 6 6 Ie ta) Collector Emitter Saturation Voltage Base Emitter Saturation Voltage Veeiaat! ) z 4 Bie fA) GC73120 1 2 4 6 810 Ic{A} 3/4 233BU931/BU931P/BU931PFI FIGURE 1: Functional Test Circuit FIGURE 2: Functional Test Waveforms ORIVER ANO CURRENT LIMITING CIRCUIT Vz 2av f s7mH ai TUL. T BF Ys 20 5- 3676 FIGURE 3: Switching Time Test Circuit INPUT SIGNAL \ BASE CURRENT COLLECTOR CURRENT COLLECTOR EMITTER VOLTAGE i oo ~ L_ 9 16.6m5 i 11.6ms aan 0 [1 tgc 0.34 o 1 = 8A Vetamp $-3677 FIGURE 4: Sustaining Voltage Test Circuit Vo 12V 7m scars 4/4 234