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L9341H Datasheet(PDF) 1 Page - STMicroelectronics |
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L9341H Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 10 page L9341 QUAD LOW SIDE DRIVER AVANCE DATA DU/DT AND DI/DT CONTROL PWM CONTROLLED OUTPUT CURRENT SHORT CURRENT PROTECTION AND DI- AGNOSTIC INTEGRATED FLYBACK DIODE UNDERVOLTAGE SHUTDOWN OVERVOLTAGE AND UNDERVOLTAGE DI- AGNOSTIC OVERTEMPERATURE DIAGNOSTIC DESCRIPTION The L9341 is a monolithic integrated circuit real- ized in Multipower BCD-II mixed technology. The driver is intended for inductive loads in synchro- nous PWM applications, especially for valve driv- ers. The output voltage and current rise and fall slopes du/dt and di/dt are controlled. This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. March 1994 UNDERVOLTAGE SHUTDOWN DIAGNOSTIC DRIVER SHORT CURRENT PROTECTION CHANNEL 1 CHANNEL 4 CHANNEL 3 CHANNEL 2 V flyth V offth COMP1 COMP2 I OSC SDO SDI SCLK RES1 SERIAL INTERFACE & PWM CONTROLL BIAS 7 1 15 14 8 6 13 5 11 RES2 3 10 9 12 REXT CS 4 OUT3 OUT4 GND VS V s I Is cc I OUT1 I I OUT2 OUT3 IOUT4 OSC C I GND C BAT D BAT Vcc C O1 C O2 C C O3 O4 OUT2 VCC 2 outs OUT1 di / dt & du / dt CONTROL THERMAL FLAG 220nF 10nF 10nF 10nF 10nF 10uF R ext 12.4k 10nF Ω BLOCK & APPLICATION DIAGRAM Multiwatt 15 ORDERING NUMBERS: L9341V L9341H MULTIPOWER BCD TECHNOLOGY 1/10 |
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