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UC1903L bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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UC1903L bảng dữ liệu(HTML) 4 Page - Texas Instruments |
4 / 16 page UC1903 UC2903 UC3903 SLUS233A – OCTOBER 1999 – REVISED SEPTEMBER 2008 ........................................................................................................................................ www.ti.com ELECTRICAL CHARACTERISTICS (continued) Unless otherwise stated, these specifications apply for TA = –55°C to +125°C for the UC1903; –40°C to +85°C for the UC2903; and 0°C to +70°C for the UC3903; +VIN = 15V; Sense Inputs (Pins 6–9 and Pin 15) = 2.5V; VPIN 4 = 1.0V, TA = TJ. UC1903 / UC2903 UC3903 PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX FAULT OUTPUTS (OV, UV, AND POWER 0K) Maximum Current VOUT = 2V 30 70 30 70 mA Saturation Voltage IOUT = 12mA 0.25 0.40 0.25 0.40 V Leakage Current VOUT = 40 V 3 25 3 25 µA SENSE 4 INVERTER(3) Input Offset Voltage 2 8 2 10 mV Input Bias Current 0.1 2 0.1 4 µA Open Loop Gain 65 80 65 80 dB PSRR +VIN = 8 to 40 V 65 100 65 100 dB Unity Gain Frequency 1 1 MHz Slew Rate 0.4 0.4 V/ µs Short Circuit Current TJ = 2°C 40 40 mA G.P. OP-AMP(3) Input Offset Voltage 1 5 1 8 mV Input Bias Voltage 0.1 2 0.1 4 µA Input Offset Current 0.01 .5 0.01 1.0 µA Open Loop Gain 65 120 65 120 dB CMRR VCM = 0 to +VIN = 2.0V 65 100 65 100 dB PSRR +VIN = 8 to 40V 65 100 65 100 dB Unity Gain Frequency 1 1 MHz Slew Rate 0.4 0.4 V/ µs Short Circuit Current TJ = 25°C 40 40 mA (3) When either the G.P. OP-Amp, or the Sense 4 Inverter, are configured for sensing a negative supply voltage, the divider resistance at the inverting input should be chosen such that the nominal divider current is ≤1.4mA. With the divider current at or below this level possible latching of the circuit is avoided. Proper operation for currents at or below 1.4mA is 100% tested in production. 4 Submit Documentation Feedback Copyright © 1999–2008, Texas Instruments Incorporated Product Folder Link(s): UC1903 UC2903 UC3903 |
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Mô tả tương tự - UC1903L |
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