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KA78RL00DTF Datasheet(PDF) 3 Page - Fairchild Semiconductor |
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KA78RL00DTF Datasheet(HTML) 3 Page - Fairchild Semiconductor |
3 / 10 page KA78RL00 3 Electrical Characteristics (Refer to the test circuit, Ta = 25 °C, unless otherwise specified ) Note : 1. Output or reference voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. 2. Regulation is measured at constant junction temperature , using pulse testing with a low duty cycle. 3. Vref ≤ Vout ≤ (Vin - 1V), 2.5V ≤ Vin ≤ 28V, 100uA ≤ IL ≤ 100mA, TA ≤ TAMAX . 4. Threshold and hysteresis are expressed in terms of voltage differential at the Feedback terminal below the normal reference . To express these thresholds in terms of output voltage change , multiply by the error amplifier gain = VO / VREF = (R1 + R2) / R2 . 5. Vshutdown ≤ 0.6 V , VOUT =ON , Vshutdown ≥ 2.0 V, VOUT = OFF. Parameter Symbol Conditions Min. Typ. Max. Unit ALL VOLTAGE OPTIONS Output Voltage Temperature Coefficient ∆V/∆T (Note1) - 50 - ppm/ °C Line Regulation (Note2) ∆V (Vo + 1)V ≤ VIN ≤ 28V IL = 50mA -- 0.4 % Load Regulation (Note2) ∆V 100uA ≤ IL ≤ 100mA - - 0.3 % Dropout Voltage VD IL = 100uA - - 150 mV IL = 100mA - - 600 mV Ground Current IG IL = 100uA - - 140 uA IL = 100mA - - 7 mA Current Limit ICL VO = 0V 110 165 220 mA 8-PIN VERSIONS ONLY Reference Voltage VREF (Note3) 1.235 1.26 1.285 V VREF 1.225 1.26 1.295 V ERROR COMPARATOR Output Low Voltage VOL VIN = (Vo - 0.5)V, IOL =400uA - 150 400 mV High Threshold Voltage VTH (Note4) 25 60 - mV Low Threshold Voltage VTL (Note4) - 75 140 mV Hysteresis VHYS (Note4) - 15 - mV SHUTDOWN INPUT Shutdown Threshold Range VSD (Note5) 0.6 1.3 2.0 V Shutdown Input Current ISD VSD = 2.4V - 30 100 uA VSD = 28V - 450 750 uA |
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