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FDMF3170 Datasheet(PDF) 7 Page - ON Semiconductor |
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FDMF3170 Datasheet(HTML) 7 Page - ON Semiconductor |
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7 / 21 page  © 2016 Semiconductor Components Industries, LLC www.onsemi.com FDMF3170 Rev. 1.2 7 Electrical Characteristics Typical value is under VCC=PVCC=5 V and TA=TJ=+25°C unless otherwise noted. Minimum and maximum values are under VCC=PVCC=5 V±10% and TJ=TA=0°C to +125°C. Symbol Parameter Condition Min. Typ. Max. Unit IMON Block Times tblank_HSoff HS Off to LS On Blanking Stop Time IMON Blanking Time for PWM Transition 10 70 ns Tblank_HSon HS On to LS Off Blanking Stop Time IMON Blanking Time for PWM Transition 01 70 ns BWIMON IMON Amplifier Gain BW L=150 nH, VIN=12 V, VOUT=1.8 V, fSW=800 kHz 5.0 7.5 MHz tdelay IMON Propagation Delay Time L=150 nH, VIN=12 V, VOUT=1.8 V, fSW=800 kHz, IMON Peak to IL Peak 60 75 ns IMON Operating Range (TA=TJ=-40°C to 125°C, VCC / PVCC=4.5 V to 5.5 V, VIN=5 V to 16 V) VIMON Dynamic Range at IMON Pin 0.5 2.5 V IMON Accuracy (TA=TJ=25°C to 125°C, VCC / PVCC=4.75 V to 5.25 V, VIN=12 V) (2) IMON_SLOPE IOUT=-20 A to 50 A 4.75 5.00 5.25 µA/A VIMON_SLOPE RIMON=1 k – resistor placed from IMON to REFIN and used to measure IMON-REFIN differential voltage Current Monitor Voltage (VIMON-REFIN) VREFIN Range=0.55 V to 2.0 V IOUT=-20 A to 50 A 4.75 5.00 5.25 µA/A VIMON_-10A IOUT=-10 A, Voltage is Referenced to REFIN Pin -53.5 -50.0 -46.5 mV VIMON_10A IOUT=10 A, Voltage is Referenced to REFIN Pin 46.5 50.0 53.5 mV VIMON_20A IOUT=20 A, Voltage is Referenced to REFIN Pin 95.5 100.0 105.0 mV VIMON_30A IOUT=30 A, Voltage is Referenced to REFIN Pin 142.5 150.0 157.5 mV VIMON_40A IOUT=40 A, Voltage is Referenced to REFIN Pin 190.0 200.0 210.0 mV FAULT Report VFAULT Fault Report Voltage 2.9 V TD_FAULT Fault Report Delay Time 100 ns Over-Temperature Protection (OTP) FAULT OTP Over-Temperature Protection Accuracy Driver IC Temperature 132 136 140 °C OTP_hysteresis OTP Hysteresis Driver IC Temperature 10 15 20 °C HS Cycle-By-Cycle I-Limit tD_ILimit-COMP I-limit Comparator Input-Output Propagation Delay Input Signal=380 mV, dv/dt=0.2 mV/nsec. 60 ns tBLANK_ILimit I-limit Blanking Time De-glitch Filter (Blanking) Time for I-Limit Comparator Trip 33 ns tD_ILimit I-limit Detect to TMON/FAULT# Signal=HIGH 100 ns ILIM1 Over-Current Protection Accuracy TA=TJ=25° to 125°C 74 80 86 A ILIM_HYS OCP Hysteresis 10 A Negative Over-Current (NOCP) FAULT INOCP_LOW NOCP Trip LOW Level -70 -60 -50 A INOCP_HYS NOCP Hysteresis 20 A |
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