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| (R) VB927T HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C. TYPE VB927T s Vcl 380V Icl 9.5A Vcg(sat) 2.5V NO EXTERNAL COMPONENT REQUIRED s COIL CURRENT LIMIT INTERNALLY SET s INTEGRATED HIGH VOLTAGE CLAMP s HIGH RUGGEDNESS s OVERTEMPERATURE PROTECTION TO-247 DESCRIPTION The VB927T is a monolithic high voltage integrated circuit made by using the STMicroelectronics VIPowerTM technology, which combines vertical current flow power trilinton with a coil current and a collector voltage clamping. The device is particularly suitable for application in high performance electronic car ignition, where coil current limitation and voltage clamping are required. PACKAGE TO-247 3 2 1 ORDER CODES TUBE VB927T - T&R BLOCK DIAGRAM HVC VIN INPUT HYSTERESIS DRIVER CURRENT LIMITER VOLTAGE REFERENCE OVERTEMP. PROTECTION RSENSE GND January 2003 1/5 VB927T ABSOLUTE MAXIMUM RATING Symbol HVc VIN IC IIN Ptot Tstg Tj Parameter Collector Voltage Maximum Input Voltage Collector Current Input Current Total Dissipation At Tc=25c Storage Temperature Junction Operating Temperature Value Internally limited 15 Internally limited Internally limited 150 -40 to 150 -40 to 150 Unit V V A mA W C C CONNECTION DIAGRAM 3 2 1 GND HV C VIN TO-247 2/5 1 VB927T THERMAL DATA Symbol Rthj-case Rthj-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient (MAX) (MAX) Value 0.6 30 Unit C/W C/W ELECTRICAL CHARACTERISTICS (VCC=14V; -40V < Tj < 125C unless otherwise specified) Symbol Ileak Vcl (*) Vcg(sat) Icl (*) IIN Vf (**) VINH VINL VIN(hyst) td(off) Tj Parameter Collector Cut-off Current Clamping Voltage Power Stage Saturation Voltage Coil Current Limit Input Current Diode Forward Voltage Input Voltage (ON) Input Voltage (OFF) Input Voltage (Hyst.) Turn-off Time Junction Temperature Limit Test Conditions VIN=0V; HVC=250V -40C < Tj < 125C IC=5A; IIN=10mA; 25C Tj 125C IC=6A; IIN=10mA; -40C Tj 25C VIN=5V; -40C Tj 125C VIN=5V; IC=5A VIN=5V; IC=5A; Tj=25C If=10A; Tj=25C On state input threshold Off state input threshold IC=5A See note 1 Min 380 Typ 420 Max 250 490 2.5 3 9.5 10 2.2 10 3.2 3.6 3.4 0.6 Unit A V V V A mA mA V V V V s C 8.5 3 1.2 3.2 3 0.2 150 30 (*) Coil data: primary resistance RC=0.4 - 0.8; primary inductance LC= 6 - 8 mH (**) Pulsed: Pulse duration =300s, duty cycle 1.5% Note 1: Tjmin=150C means that the behavior of the device will not be affected for junction temperature lower than 150C. For higher temperature, the thermal protection circuit will begin its action reducing the Icl limit according with the power dissipation. Chip temperature is a function of the Rth of the whole system in which the device will be operating. 3/5 VB927T TO-247 MECHANICAL DATA DIM. A A1 b b1 b2 c D E e L L1 L2 14.20 3.70 18.50 3.55 4.50 5.50 Gr. 4.43 3.65 5.50 mm. MIN. 4.85 2.20 1.0 2.0 3.0 0.40 19.85 15.45 5.45 14.80 4.30 TYP MAX. 5.15 2.60 1.40 2.40 3.40 0.80 20.15 15.75 P R S Package Weight P025P 4/5 VB927T 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 results 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 approval of STMicroelectronics. The ST logo is a trademark of STMicroelectronics (c) 2003 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 - U.S.A. http://www.st.com 5/5 |
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