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UC3177 数据表(PDF) 2 Page - Texas Instruments |
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UC3177 数据表(HTML) 2 Page - Texas Instruments |
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2 / 5 page  Input Supply voltage, (+VIN) . . . . . . . . . . . . . . . . . . . . . . . 40V Park/Inhibit, UV1 and UV2 inputs (zener clamped) Maximum forced voltage . . . . . . . . . . . . . . . . -0.3V to 10V Maximum forced current. . . . . . . . . . . . . . . . . . . . . ±10mA Other Input Voltages. . . . . . . . . . . . . . . . . . . . . -0.3V to +VIN AlSINK and BlSINK Voltages . . . . . . . . . . . . . . . . . . -0.3V to 6V Open Collector Output Voltages. . . . . . . . . . . . . . . . . . . . 40V A and B Output Currents (Continuous) Source . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A Total Supply Current (Continuous). . . . . . . . . . . . . . . . . . . 4A Parking Drive Output Current (Continuous) . . . . . . . . 200mA Supply OK Output Current, UC3177 (Continuous) . . . 30mA Operating Junction Temperature . . . . . . . . -55°C to +150°C Power Dissipation at TC = +75°C QP package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4W Storage Temperature . . . . . . . . . . . . . . . . . -65°C to +150°C Note 1: Unless otherwise indicated, voltages are reference to ground and currents are positive into, negative out of, the specified terminals. PARAMETER TEST CONDITIONS MIN. TYP. MAX. UNITS Input Supply Supply Current +VIN = 12V 18 25 mA +VIN = 35V 21 30 mA UVOL Threshold +VIN low to high 2.8 3.0 V Threshold Hysteresis 220 300 mV Power, Amplifier, A and B Input Offset Voltage VCM = 6V, VOUT = 6V 8mV Input Bias Current VCM = 6V, Except A+ Input -500 -100 nA Input Bias Current at A+/Reference Input (A+/Ref - BISINK)/36kohms; TJ = 25°C 23 28 35 µA/V Input Offset Current B Amp (UC3176 Only) VCM = 6V 200 nA CMRR VCM = 1 to 33V, +VIN =35V, VOUT = 6V 70 100 dB PSRR +VIN = 5 to 35V, VCM = 2.5V 70 100 dB Large Signal Voltage Gain VOUT = 3V, w/IOUT = 1A to VOUT = 9V, w/IOUT = -1A 1.5 4 V/mV Thermal Feedback +VIN = 20V, Pd = 20W at opposite output 25 200 µV/W Saturation Voltage IOUT = -2A, High Side, TJ = 25° 1.9 V CIOUT = 2A, Low Side, TJ = 25°C 1.6 V Total VSAT at 2A, TJ = 25°C 3.5 3.7 V Unity Gain Bandwidth 1MHz Slew Rate 1V/ µs Differential IOUT Sense Error Current IOUT(A) = -IOUT(B), /IOUT/- /AISINK - BISINK/ in Bridge Configuration IOUT ≤200mA 3.0 6.0 mA IOUT ≤ 2A 5.0 10 mA High Side Current Limiting =VIN - VOUT < 12V -2.7 -2.0 A UC3176 UC3177 ABSOLUTE MAXIMUM RATINGS (Note 1) QP package: Thermal Resistance Junction to Leads, θJL . . . . . . 15°C/W Thermal Resistance Junction to Ambient, θJA . . . . 50°C/W THERMAL DATA PACKAGE PIN FUNCTION FUNCTION PIN +VIN 1 B Output 2 BISINK(Sense) 3 BISINK 4 N/C 5-7 B- Input 8 * 9 Park/Inhibit 10 Parking Drive 11 Gnd (Heat Flow Pins) 12-18 UV1 19 UV2 20 Current Feedback 21 A+ Input 22 A- Input 23 N/C 24 AISINK 25 AISINK(Sense) 26 A Output 27 Gnd 28 *Pin 9: UC3176, B+ Input UC3177, Supply OK PLCC-28 (Top View) QP Package CONNECTION DIAGRAM ELECTRICAL CHARACTERISTICS: Unless otherwise stated, specifications hold for TA = 0 to 70°C, +VIN = 12V, TA = TJ. 2 |
类似零件编号 - UC3177 |
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类似说明 - UC3177 |
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