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LM7805 Datasheet(PDF) 13 Page - Fairchild Semiconductor |
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LM7805 Datasheet(HTML) 13 Page - Fairchild Semiconductor |
13 / 28 page MC78XX/LM78XX/MC78XXA 13 Electrical Characteristics (MC7808A) (Refer to the test circuits. 0 °C < TJ < 125°C, Io =1A, V I = 14V, C I=0.33µF, C O=0.1µF, unless otherwise specified) Note: 1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage VO TJ =+25 oC 7.84 8 8.16 V IO = 5mA to 1A, PO ≤15W VI = 10.6V to 23V 7.7 8 8.3 Line Regulation (Note1) Regline VI= 10.6V to 25V IO = 500mA -6 80 mV VI= 11V to 17V - 3 80 TJ =+25 oC VI= 10.4V to 23V - 6 80 VI= 11V to 17V - 2 40 Load Regulation (Note1) Regload TJ =+25 oC IO = 5mA to 1.5A - 12 100 mV IO = 5mA to 1A - 12 100 IO = 250mA to 750mA - 5 50 Quiescent Current IQ TJ =+25 oC- 5.0 6 mA Quiescent Current Change ∆IQ IO = 5mA to 1A - - 0.5 mA VI = 11V to 25V, IO = 500mA - - 0.8 VI= 10.6V to 23V, TJ =+25 oC- - 0.8 Output Voltage Drift ∆V/∆TIO = 5mA - -0.8 - mV/ oC Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 oC -10 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 500mA VI = 11.5V to 21.5V -62 - dB Dropout Voltage VDrop IO = 1A, TJ =+25 oC- 2 - V Output Resistance rO f = 1KHz - 18 - m Ω Short Circuit Current ISC VI= 35V, TA =+25 oC - 250 - mA Peak Current IPK TJ=+25 oC- 2.2 - A |
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