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MC33981BPNAR2 Fiches technique(PDF) 7 Page - Freescale Semiconductor, Inc |
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MC33981BPNAR2 Fiches technique(HTML) 7 Page - Freescale Semiconductor, Inc |
7 / 37 page Analog Integrated Circuit Device Data Freescale Semiconductor 7 33981 DYNAMIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS Table 4. Dynamic Electrical Characteristics Characteristics noted under conditions 6.0 V ≤ V PWR ≤ 27 V, -40°C ≤ TA ≤ 125°C unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal conditions unless otherwise noted. Characteristic Symbol Min Typ Max Unit CONTROL INTERFACE AND POWER OUTPUT TIMING (CBOOT, VPWR) Charge Blanking Time (CBOOT) (10) tON 10 25 50 µs Output Rising Slew Rate VPWR = 13 V, from 10% to 90% of VOUT, SR Capacitor = 4.7 nF, RL= 5.0 Ω SRR 8.0 16 35 V/ µs Output Falling Slew Rate VPWR = 13 V, from 90% to 10% of VOUT, SR Capacitor = 4.7 nF, RL= 5.0 Ω SRF 8.0 16 35 V/ µs Output Turn-ON Delay Time (11) VPWR = 13 V, SR Capacitor = 4.7 nF tDLYON 200 400 700 ns Output Turn-OFF Delay Time (12) VPWR = 13 V, SR Capacitor = 4.7 nF tDLYOFF 500 1000 1500 ns Input Switching Frequency (9) fPWM – 20 60 kHz Output PWM ratio @ 60kHz (13) RPWM 5.0 95 % Time to Reset Fault Diagnosis (over load on high side or external low side) tRSTDIAG 100 200 400 µs Output Over Current Detection Time tOCH 1.0 10 20 µs Notes 9. The MC33981 can work down (~100Hz). The fault management reset can not be guaranteed with PWM frequency lower than 5kHz (INHS=0 during 200us typ) 10. Values for CBOOT=100nF. Refer to the paragraph entitled Sleep Mode on page 13. Parameter is guaranteed by design and not production tested. 11. Turn-ON delay time measured from rising edge of INHS that turns the output ON to VOUT = 0.5 V with RL= 5.0 Ω resistive load. 12. Turn-OFF delay time measured from falling edge of INHS that turns the output OFF to VOUT = VPWR -0.5 V with RL= 5.0 Ω resistive load. 13. The ratio is measured at Vout = 50% VPWR without SR capacitor. The device is capable of 100% duty cycle. |
Numéro de pièce similaire - MC33981BPNAR2 |
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Description similaire - MC33981BPNAR2 |
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