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UC3173AQPTR Arkusz danych(PDF) 4 Page - Texas Instruments |
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UC3173AQPTR Arkusz danych(HTML) 4 Page - Texas Instruments |
4 / 12 page 4 UC3173A ELECTRICAL CHARACTERISTICS: Unless otherwise stated, these specifications apply for TA = 0 to +70°C, VIN = 5V, VC = VIN = VL, REFIN = VIN/2, RANGE, PARK, and INH = 0V, and TA =TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Current Sense Amplifier Input Offset Voltage VCM = 2.5V, Low range mode 2.0 mV VCM = 2.5V, High range mode 4.0 mV Input Offset Change with Common Mode Input VCM = –1V to 13V, Supplies = 12V, Low Range Mode 2000 µV/V VCM = –1V to 13V, Supplies = 12V, High Range Mode 4000 µV/V Voltage Gain VDIFF = +1.0 to −1.0V, VCM = 2.5V, High Range Mode 0.485 0.50 0.515 V/V VDIFF = +1.0 to −1.0V, VCM = 2.5V, Low Range Mode 1.95 2.0 2.05 V/V Saturation Voltage Low-Side, IOUT = 1mA 0.1 0.3 V High-Side, IOUT = −1mA, Referenced to VIN 0.1 0.3 V Parking Function Park Input Threshold Voltage 0.6 1.1 1.7 V Park Input Threshold Current Internal Pull-Up, VIN = 0.6V 50 75 µA Park Drive Saturation Voltage IOUT = 50mA 0.15 0.35 V Park Drive Leakage VOUT = 20V 50 µA Regulating Voltage at Park Volts Input 1.275 1.30 1.325 V Amplifier A Auxiliary Input Bias Current −300 −750 nA Amplifier A Parking High-Side Saturation Voltage IOUT = −50mA, VIN = 0V, VC = VL = 5V, PARK Open, VC to VOUT 0.8 0.95 V Minimum Parking Supply At VC and VL, VIN = 0V, A Amplifier Out - VSAT PRKDRV > 0.5V, IPARK = 50mA 1.4 1.7 V Minimum Supply for Parking Drive and Power OK Operation At VL, VC = VIN = 0V, VSAT < 0.5V, IOUT PRKDRV = 50mA, Rl = 30Ω to 2V 1.1 1.4 V IOUT PWROK = 5mA, Rl = 300Ω to 2V 1.2 1.6 V VL Parking Supply Current PARK Open, VL = 5V, VC = 1.6V, VIN = 0V, PWROK IOUT = 5mA, PRKDRV IOUT = 50mA 1.6 3.0 mA Auxiliary Functions Inhibit Input Threshold 0.6 1.1 1.7 V Inhibit Input Current INH = 1.7V −0.5 −1.0 µA Range Input Threshold 0.6 1.1 1.7 V Range Input Current RANGE = 1.7V 50 100 µA Comp Adjust Pin Saturation Voltage RANGE = 0V, Pin Current = ±500µA, Referenced to AOUT 0.02 0.1 V Comp Adjust Leakage Current RANGE = 1.7V, Supplies = 12V, AOUT -VCOMP = ±6V 5 µA Total Supply Current when Inhibited VIN, VC, and VL currents 1.0 1.5 mA Thermal Shutdown Temperature (Note 4) 165 °C Note 4: Guaranteed by design. Not 100% tested in production. Note 5: The high-side saturation performance of the UC3173A is referenced to the VIN supply pin. The VC supply pin can operate about 400mV below the VIN supply input without affecting the performance. |
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