ky SGS-THOMSON MICROELECTRONICS BU9412ZT/BU9412TFI BUB941ZT HIGH VOLTAGE IGNITION COIL DRIVER VERY RUGGED BIPOLAR TECHNOLOGY BUILT IN CLAMPING ZENER HIGH OPERATING JUNCTION TEMPERATURE WIDE RANGE OF PACKAGES SURFACE-MOUNTING D2PAK (TO-263) POWER PACKAGE IN TUBE (NO SUFFIX) OR IN TAPE & REEL (SUFFIX "T4") APPLICATIONS HIGH RUGGEDNESS ELECTRONIC IGNITIONS ABSOLUTE MAXIMUM RATINGS NPN POWER DARLINGTON ey 3 YS 1 2 1 ISOWATT220 TO-220 D2PAK TO-263 INTERNAL SCHEMATIC DIAGRAM Col2 or TAR) Po ep Ty B | J hy ott Symbol Parameter Value Unit BUS41ZT |BugaiZTFI BUBS412T Vceo |Collector-Emitter Voltage (Ia = 0) 350 Vv Veso |Emitter-Base Voltage {ic = 0) 5 Vv le Collector Current 15 A lom Collector Peak Current 30 A tg Base Current 1 A fem Base Peak Current 5 A Prot Total Dissipation at T, = 25 C 150 55 150 Ww Tstg _ | Storage Temperature -65 to. 175 | -65to 150 | -6510 175 | G Tj Max. Operating Junction Temperature 175 150 175 01 September 1997 1/4 251 BU9412T/BU941ZTFI/BUB941ZT THERMAL DATA TO-220 ISOWATT220 D2PAK Rinj-case | Thermal Resistance Junction-case Max 2.7 CAW ELECTRICAL CHARACTERISTICS (Tcase = 25 C unless otherwise specified) Symbol Parameter Test Conditions Min. | Typ. | Max. | Unit IcEo Collector Cut-off Vee = 300 V 100 pA Current (Ip = 0) Vee=300V Tj) = 125C 0.5 mA leBo Emitter Cut-off Current ;}Veg = 5 V 20 mA (Ig = 0) Vew* Clamping Voltage Ic = 100 mA 350 500 Vv Veetsay* |Collector-Emitter Ic=B8A fig = 100 mA 1.8 v Saturation Voltage lc=10A Ip =250mA 1.8 v Vee(saty* |Base-Emitter ic = BA Ip = 100 mA 2.2 Vv Saturation Voltage lc=10A la=250mA 2.5 v hre* DC Currant Gain le=5A Vee=10V 300 Ve Diode Forward Voltage [Ir = 10A 2.5 Vv Functional Test Veco = 24V L=7mH 10 A (see fig. 1) . INDUCTIVE LOAD Veo =12V L=7MH Velamp = 300 V ts Storage Time lc=7A lg =70mA 15 ps ti Fali Time Vee=0 Ree=47Q 0.5 us (see fig. 3) + Pulsed: Pulse duration = 300 us, duty cycle 1.5% Safe Operating Area DC Current Gain Ie(A) le MAX PULSED ic MAX CONT . 10+220 10's DZPAK * For single non repetitive pulse 2/4 PULSE OPERATION * *7 10 MS 100 is Veg =2V T5125 252 BU941ZT/BU941 ZTFI/BUB941ZT DC Current Gain Collector-emitter Saturation Voitage Collector-emitter Saturation Voltage Base-emitter Saturation Voitage t 10 fe fA) ' laa Base-emitter Saturation Voltage Collector-emitter Saturation Voitage Ni a os a 50 foo $0 IgimaAl 3/4 253 BU941ZT/BU941ZTFV/BUB941ZT FIGURE 1: Functional Test Circuit FIGURE 2: Functional Test Waveforms 16.6ms fo 11.6ms INPUT SIGNAL 0 Ips 0.34 DRIVER ANO BASE CURRENT 0.22 CURRENT 0 LIMITING TUT L pF les BA CIRCUIT COLLECTOR 'c=8 CURRENT 0 , a COLLECTOR stamp EMITTER VOLTAGE 2AN ee 5- 3676 | $-3677 FIGURE 3: Switching Time Test Circuit | 12V | t j | : | TUT | | i Velame | $cr1:80 L_ 4 [7 86s-THoMsoN Yd pecaosiscraomics 254