MC78XX/LM78XXMC78XXA Electrical Characteristics(MC7818) (Refer to test circuit,C<TJ<125C,lo=500mA.VI =27V.CI=0.33uFCo=0.1uF.unless otherwise specified) MC7818 Parameter Symbol Conditions Unit Min.Typ.Max. TJ=+25C 17.31818.7 Output Voltage Vo 5.0mA≤l0≤1.0APo≤15W VI=21V to 33V 17.1 1818.9 VI=21V to 33V Line Regulation(Note1) T1=+250C 15360 Regline mV VI=24V to 30V 5180 Load Regulation(Note1) Regload TJ=+25℃ lo=5mA to 1.5A 15360 lo =250mA to 750mA 5.0180 mV Quiescent Current lo T.1=+250C 5.28.0mA Quiescent Current Change lo 5mA to 1.0A 0.5 AlQ VI=21V to 33V 1 mA Output Voltage Drift △Vo/ATlo=5mA -1 mViC Output Noise Voltage VN f=10Hz to 100KHz,TA=+25C 110 uVNo Ripple Rejection RR f=120Hz VI=22V to 32V 53 69 dB Dropout Voltage l=1AT=+25C M Output Resistance ro f=1KHz m2 Short Circuit Current ISC VM=35V,TA=+25℃ 250 mA Peak Current IPK TJ=+25C 2.2 A effects must be takenMC78XX/LM78XX/MC78XXA 9 Electrical Characteristics (MC7818) (Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =27V, CI= 0.33µF, CO=0.1µF, unless otherwise specified) Note: 1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions MC7818 Unit Min. Typ. Max. Output Voltage VO TJ =+25 oC 17.3 18 18.7 5.0mA ≤ IO ≤1.0A, PO ≤15W VI = 21V to 33V 17.1 18 18.9 V Line Regulation (Note1) Regline TJ =+25 oC VI = 21V to 33V - 15 360 mV VI = 24V to 30V - 5 180 Load Regulation (Note1) Regload TJ =+25 oC IO = 5mA to 1.5A - 15 360 mV IO = 250mA to 750mA - 5.0 180 Quiescent Current IQ TJ =+25 oC - 5.2 8.0 mA Quiescent Current Change ∆IQ IO = 5mA to 1.0A - - 0.5 mA VI = 21V to 33V - - 1 Output Voltage Drift ∆VO/∆T IO = 5mA - -1 - mV/ oC Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC - 110 - µV/Vo Ripple Rejection RR f = 120Hz VI = 22V to 32V 53 69 - dB Dropout Voltage VDrop IO = 1A, TJ=+25 oC - 2 - V Output Resistance rO f = 1KHz - 22 - mΩ Short Circuit Current ISC VI = 35V, TA=+25 oC - 250 - mA Peak Current IPK TJ =+25 oC - 2.2 - A