MC78XX/LM78XX/MC78XXA Electrical Characteristics(MC7818A) (Refer to the test circuits.C<TJ<125C.lo=1A,VI=27V,C=0.33uF,C=0.1uF,unless otherwise specified) Parameter Symbol Conditions Min.Typ.Max.Unit TJ=+25'℃ 17.641818.36 Output Voltage 17.3 18 18.7 15 180 Line Requlation (Note1) Regline Vj=21V to 33V 5 180 TJ=+25℃ V=20.6V to 33V 15 180 VI=24V to 30V 5 90 T)=+25C Load Regulation(Note1) lo 5mA to 1.5A 15 100 Regload lo =5mA to 1.0A 15 100 lo 250mA to 750mA 50 Quiescent Current TJ=+250 52 mA VI=21V to 33V.TJ=+25 C 0.8 Quiescent Current Change AlQ VI 21V to 33V,lo =500mA 08 g lo =5mA to 1.0A 0.5 Output Voltage Drift △VIT lo=5mA -1.0 mV/'c Output Noise Voltage VN f=10Hz to 100KHz uVNo TA=+25C 10 Ripple Rejection RR 57 Dropout Voltage VDron 10=1A,TJ=+25C 2.0 Output Resistance f=1KHz 19 mo Short Circuit Curren V35V,TA=+25C mA Peak Current IPK TJ=+25 C A andmperatue.Chage n Vo due to hatin fecdmb MC78XX/LM78XX/MC78XXA 18 Electrical Characteristics (MC7818A) (Refer to the test circuits. 0°C < TJ < 125°C, Io =1A, V I = 27V, 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 ° C 17.64 18 18.36 IO = 5mA to 1A, PO ≤15W V VI = 21V to 33V 17.3 18 18.7 Line Regulation (Note1) Regline VI= 21V to 33V IO = 500mA - 15 180 VI= 21V to 33V - 5 180 mV TJ =+25 ° C VI= 20.6V to 33V - 15 180 VI= 24V to 30V - 5 90 Load Regulation (Note1) Regload TJ =+25° C IO = 5mA to 1.5A - 15 100 mV IO = 5mA to 1.0A - 15 100 IO = 250mA to 750mA - 7 50 Quiescent Current IQ TJ =+25 ° C - 5.2 6.0 mA Quiescent Current Change ∆IQ VI = 21V to 33V, TJ=+25 ° C - - 0.8 VI = 21V to 33V, IO = 500mA - - 0.8 mA IO = 5mA to 1.0A - - 0.5 Output Voltage Drift ∆V/∆T IO = 5mA - -1.0 - mV/ ° C Output Noise Voltage VN f = 10Hz to 100KHz TA =+25° C - 10 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 500mA VI = 22V to 32V - 57 - dB Dropout Voltage VDrop IO = 1A, TJ =+25° C - 2.0 - V Output Resistance rO f = 1KHz - 19 - mΩ Short Circuit Current ISC VI= 35V, TA =+25° C - 250 - mA Peak Current IPK TJ=+25 ° C - 2.2 - A