MC78XX/LM78XX/MC78XXA Electrical Characteristics(MC7808A) (Refer to the test circuits.CTJ<125C.lo=1A.VI=14V.C=0.33uF.C=0.1uF.unless otherwise specified) Parameter Symbol Conditions Min.Typ.Max.Unit T=+25 7.8488.16 Output Voltage Vo 7.7 8 8.3 0-1908Yn26 6 80 Line Regulation(Note1) Regline Vi=11V to 17V 380 mV Vi=10 4V to 23V 680 TJ=+25℃ Vi=11V to 17V 2■ 40 12 100 Load Requlation (Note1) Regload lo 5mA to 1A 12 100 mV lo 250mA to 750mA 5 50 Quiescent Current T1=+250C 5.06 mA lo 5mA to 1A 05 Quiescent Current Change VI=11Vto 25V,lo=500mA 0.8 mA V1-10.6Vto23V,TJ=+25℃ 0.8 Output Voltage Drift AV/AT lo =5mA -0.8 mwM℃ Output Noise Voltage N 0100KH 10 Ripple Rejection RR 9v8 % Dropout voltage VDrop 10=1A.TJ=+25℃ Output Resistance ro 18 m Short Circuit Curren Isc V1Ie35V,TA=+25℃ 250 mA Peak Current IPK TJ=+25C 22 A ects must be taker 13MC78XX/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 IO = 5mA to 1A, PO ≤15W V VI = 10.6V to 23V 7.7 8 8.3 Line Regulation (Note1) Regline VI= 10.6V to 25V IO = 500mA - 6 80 VI= 11V to 17V - 3 80 mV 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 VI = 11V to 25V, IO = 500mA - - 0.8 mA VI= 10.6V to 23V, TJ =+25 oC - - 0.8 Output Voltage Drift ∆V/∆T IO = 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 - mΩ Short Circuit Current ISC VI= 35V, TA =+25 oC - 250 - mA Peak Current IPK TJ=+25 oC - 2.2 - A