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L6238S Scheda tecnica(PDF) 7 Page - STMicroelectronics |
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L6238S Scheda tecnica(HTML) 7 Page - STMicroelectronics |
7 / 31 page ELECTRICAL CHARACTERISTICS (Continued) Symbol Parameter Test Condition Min. Typ. Max. Unit BRAKE DELAY Vchrg Capacitor Charge Voltage RT = 50K 8.8 9.6 10.5 V Iin Input Current Vin = 5.0V 500 nA Iout3 Source Current VA = 10.5V 0.5 mA VThres Delay Timer Low Trip Threshold 1.2 1.8 2.8 V CHARGE PUMP Vout Storage Capacitor Output Voltage VA = 10.5V; Iout = 500 µA17 V Fcp Charge Pump Frequency 140 450 KHz Iin Vstorage Input Current (Run Mode) Vstorage = 12V; VA =Vlogic =0 25 µA Ibrkdly Vstorage Leakage Current (Brake Delay Mode) Vstorage = 12V; VA =Vlogic = 0 0.4 1 µA Ibrake Vstorage Leakage Current (Brake Mode) Vstorage = 12V; VA =Vlogic = 0 0.1 1 µA SEQUENCE INCREMENT tseq Time Between Rising Edges 1 µs OUTPUT TRANSCONDUCTANCE AMPLIFIER Note: Measure at OTA Comp. pin. Voh Voltage Output High VA = 10.5V 10 V VoutL Output Voltage 2.0 V Isource Output Voltage 40.0 0.5 V Isink Output Sink Current 40.0 µA LOGIC SECTION VinH VinL Input Voltage (All Inputs Except Run/Brake Vlogic = 4.5 to 5.5V 3.5 1.5 V V VinH VinL Run/Brake Input Voltage Vlogic = 4.5 to 5.5V 2.0 1.0 V V IinH IinL Input Current -1.0 1.0 µA mA VoutL VinL Output Voltage Vsink = 2.0mA Vsource = 2.0mA 4.5 0.5 V V Fsys System Clock Frequency 8.0 12.0 MHz toff/ton Clock ON/OFF Time 20 ns Tdelay (2) Tdelay (1) Tdelay (0) Commutation Phase Delay, in Electrical Degrees 1 0 1 2.0 1 0 0 9.4 1 1 1 18.80 1 1 0 20.68 0 0 1 22.56 0 0 0 24,44 (*) 0 1 1 26.32 0 1 0 28.20 (*) Input Default Phase Delay Truth Table L6238S 7/31 |
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