VB927FI

® VB927 VB927FI HIGH VOLTAGE IGNITION COIL DRIVER POWER IC s s s s NO EXTERNAL COMPONENT REQUIRED INTEGRATED HIGH VOLTAGE CLAMP COIL CURRENT LIMIT INTERNALLY SET HIGH RUGGEDNESS DESCRIPTION The VB927 is a monolithic high voltage integrated circuit made using STM VIPower Technology, which combines a vertical current flow power trilinton with a coil current limiting circuit and a collector voltage clamping. The device is peculiarly suitable for application in high performance electronic car ignition, where coil current limitation and voltage clamping are required. 3 2 1 TO-247 ISOWATT5 BLOCK DIAGRAM June 1998 1/5 VB927 ABSOLUTE MAXIMUM RATING Symbol HV c V in Ic I in P to t T st g Tj Collector Voltage Maximum Input Voltage Collector Current Input Current Total Dissipation at T c = 25 C Storage Temperature Operating Junction T emperature o Parameter VB927 Value VB927FI Internally Limited 15 Internally Limited Internally Limited 150 -40 to150 -40 to150 70 Unit V V A mA W o o C C THERMAL DATA T O-247 R t hj-ca se R t hj- amb Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max Max 0.6 30 ISO WATT5 2 Unit o o C/W C/W ELECTRICAL CHARACTERISTICS (Vbatt = 14 V, -40 < Tj < 125 oC unless otherwise specified) Symb ol I le ak V cl * V cg( sa t ) I cl * I in V f ** V in( h) V in (l) V n(hy st ) t d(of f) Tj Parameter Collector Cut-off Current Clamping Voltage Power Stage Saturation Voltage Coil Current Limit Input Current Diode Forward Voltage Input Vo...