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LM2954-XX-T92-B Datasheet(PDF) 6 Page - Unisonic Technologies |
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LM2954-XX-T92-B Datasheet(HTML) 6 Page - Unisonic Technologies |
6 / 7 page LM2954 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 6 of 7 www.unisonic.com.tw QW-R102-002.G ELECTRICAL CHARACTERISTICS(Cont.) PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Error Comparator Output Leakage Current IO(LEAK) VOH=30V 1 μA Output Low Voltage VOL VIN=4.5V, IOL=400μA 250 mV Upper Threshold Voltage VTHD(UP) (Note 3) 3.2 %VOUT Lower Threshold Voltage VTHD(LOW) (Note 3) 7.6 %VOUT Hysteresis VHYS (Note 3) 15 mV Shutdown Input Low (Regulator ON) 1.3 0.70 Input Logic Voltage VI(LOG) High (Regulator OFF) 2.0 V VSHDN=2.4V 30 50 μA Shutdown Pin Input Current II(SHDN) VSHDN=30V 450 600 μA Regulator Output Current Shutdown IO(SHDN) VSHDN≧2V,VIN≦30V, VOUT=0, Feedback pin tied to 5V Tap. 3 10 μA Note 1: Additional conditions for 8-pin versions are feedback tied to 5V Tap an Output tied to Output Sense (VOUT=5V) and VSHDN≦0.8V. Note 2: Dropout voltage is defined as the input to output differential at which the output voltage drops 100mV below its nominal value measured at 1V differential. Note 3: Comparator thresholds are expressed in terms of percentage value of voltage output. |
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