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UC3178 数据表(PDF) 3 Page - Texas Instruments |
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UC3178 数据表(HTML) 3 Page - Texas Instruments |
3 / 6 page PARAMETER TEST CONDITIONS MIN TYP MAX UNITS Power Amplifiers A & B (cont.) Gain Bandwith Product A Amplifier 2.0 MHz B Amplifier 1.0 MHz Slew Rate 1.0 V/ µs High-Side Current Limit 0.45 0.65 A Output Saturation Voltage High-Side, IOUT = -100mA 0.75 V High-Side, IOUT = -300mA 0.85 V High-Side, IOUT = -450mA 0.9 V Low-Side, IOUT = 100mA 0.2 V Low-Side, IOUT = 300mA 0.25 V Low-Side, IOUT = 450mA 0.30 V Total Vsat, IOUT = 100mA 0.95 1.2 V Total Vsat, IOUT = 300mA 1.05 1.4 V Total Vsat, IOUT = 450mA 1.25 1.6 V High-Side Diode, Vf ID = 450mA 1.30 V Current Sense Amplifier Input Offset Voltage VCM = 6V, Low range mode 2.0 mV High range mode 4.0 mV Input Offset Change VCM = -1V to 13V, Supplies = 12V, Low Range Mode 2000 µV/V with Common Mode Input VCM = -1V to 13V, Supplies = 12V, High Range Mode 4000 µV/V Voltage Gain VDIFF = +1.0 to -1.0V, Vcm = 6V, High Range Mode 0.485 0.50 0.515 V/V VDIFF = +1.0 to -1.0V, Vcm = 6V, 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 Input Bias Current at Ref. Input (REF Input - C/S(+))/48kohms, Tj = 25 °C 152127 µA/V Load Current Sense and Rectification Sense Buffer Offset Voltage REF Input to IDIF REF, IOUT = ±1mA 10 mV Sense Buffer CMRR IOUT = ±1mA, REF Input = 2V to 10V 70 90 dB IDIF REF to IDIF Out Current IDIF = ± 100µA, IDIF Out = 1V 0.95 1.0 1.05 A/A Ratio IDIF = ±1mA, IDIF Out = 1V 0.94 1.0 1.06 A/A IDIF Out Supply Sensitivity IDIF Out = ± 1mA, VIN(+) = 4V to 15V,REF Input = 2V 1.0 5.0 µA/V IDIF Out Common Mode Sensitivity IOUT = ±1mA, REF Input = 2V to10V, IDIF Out = 1V (delta IDIF Out/delta REF Input) 1.0 5.0 µA/V Auxiliary Functions Inhibit Input Threshold 0.6 1.1 1.7 V Inhibit Input Current Inhibit Input = 1.7V -1.0 -0.5 µA O/C Force Input Threshold 0.6 1.1 1.7 V O/C Force Input Current O/C Force Input = 1.7V 50 100 µA Range Input Threshold 0.6 1.1 1.7 V Range Input Current Range Input = 1.7V 50 100 µA COMP ADJ Pin Saturation Range Input = 0V, Pin Current = ±500µA, Referenced Voltage to AOUT 0.02 0.1 V COMP ADJ Leakage Current Range Input = 1.7V, Supplies = 12V AOUT-VComp Adj = ±6V 5.0 µA Total Supply Current When Inhibited VIN(+) and VC(+) currents 1.0 1.5 mA Thermal Shutdown Temperature 165 °C UC3178 Unless otherwise stated specifications hold for TA = 0 °C to 70°C , VC(+) = VIN(+) = 12V, REF Input = VIN(+)/2, O/C Input & Inhibit Input = 0V. ELECTRICAL CHARACTERISTICS (cont.): 3 |
类似零件编号 - UC3178 |
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类似说明 - UC3178 |
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