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LM78LXXA Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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LM78LXXA Datasheet(HTML) 4 Page - Fairchild Semiconductor |
4 / 14 page MC78LXXA/LM78LXXA/MC78L05AA 4 Electrical Characteristics(MC78L12A/LM78L12A) (Continued) (VI = 19V, IO = 40mA, 0 °C ≤ TJ ≤ 125°C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1) Note: 1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests. 2. Power dissipation PD ≤ 0.75W. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage VO TJ = 25 °C 11.5 12 12.5 V Line Regulation (Note1) ∆VO TJ = 25 °C 14.5V ≤ VI ≤ 27V - 20 250 mV 16V ≤ VI ≤ 27V - 15 200 mV Load Regulation (Note1) ∆VO TJ = 25 °C 1mA ≤ IO ≤ 100mA - 20 100 mV 1mA ≤ IO ≤ 40mA - 10 50 mV Output Voltage VO 14.5V ≤ VI ≤ 27V 1mA ≤ IO ≤ 40mA 11.4 - 12.6 V 14.5V ≤ VI ≤ VMAX (Note 2) 1mA ≤ IO ≤ 70mA 11.4 - 12.6 V Quiescent Current IQ TJ = 25 °C- 2.1 6.0 mA Quiescent Current Change With Line ∆IQ 16V ≤ VI ≤ 27V - - 1.5 mA With Load ∆IQ 1mA ≤ IO ≤ 40mA - - 0.1 mA Output Noise Voltage VN TA = 25 °C, 10Hz ≤ f ≤ 100kHz - 80 - µV/Vo Temperature Coefficient of VO ∆VO/∆TIO = 5mA - -1.0 - mV/ °C Ripple Rejection RR f = 120Hz, 15V ≤ VI ≤ 25V, TJ = 25°C37 65 - dB Dropout Voltage VD TJ = 25 °C- 1.7 - V |
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Similar Description - LM78LXXA |
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