MC78XX/LM78XX/MC78XXA Electrical Characteristics(MC7824A) (Refer to the test circuits.C<TJ<125C,lo=1A,VI =33V.C=0.33uF,C=0.1uF.unless otherwise specified) Parameter Symbol Conditions Min.Typ.Max.Unit TJ=+25℃ 23.52424.5 Output Voltage Vo 23 24 25 18 240 Line Regulation(Note1) Regline Vj=21V to 33V 6 240 mV V1=26.7Vto38W 18 240 TJ=+25℃ VI=30V to 36V 6120 T1=+25C oad Regulation (Note1) lo 5mA to 1 5A 15 100 Regload lo 5mA to 1.0A 15 100 mV lo=250mA to 750mA 50 Quiescent Current la TJ=+25 C 5.2 6.0 mA V/=273Vt038VT1=+25C 08 Quiescent Current Change M=27.3Vto38V,l0=500mA 0.8 mA lo =5mA to 1.0A 0.5 Output Voltage Drift △VIAT lo=5mA -1.5 mVI'c Output Noise Voltage VN f=10Hz to 100KHz TA=25 C 10 Ripple Rejection RR f=120Hz,lo=500mA VI=28V to 38V dB Dropout Voltage VDrop 10=1A,TJ=+25C 20 Output Resistance f=1KHz 2 Short Circuit Current ISC Vi=35V,TA =+25C 250 Peak Current IPK TJ=+25 C 2.2 A esting Wih rature.Change in vo due to heating effects must be takenMC78XX/LM78XX/MC78XXA 19 Electrical Characteristics (MC7824A) (Refer to the test circuits. 0°C < TJ < 125°C, Io =1A, V I = 33V, 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 23.5 24 24.5 IO = 5mA to 1A, PO ≤15W V VI = 27.3V to 38V 23 24 25 Line Regulation (Note1) Regline VI= 27V to 38V IO = 500mA - 18 240 VI= 21V to 33V - 6 240 mV TJ =+25 ° C VI= 26.7V to 38V - 18 240 VI= 30V to 36V - 6 120 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 = 27.3V to 38V, TJ =+25 ° C - - 0.8 VI = 27.3V to 38V, IO = 500mA - - 0.8 mA IO = 5mA to 1.0A - - 0.5 Output Voltage Drift ∆V/∆T IO = 5mA - -1.5 - mV/ ° C Output Noise Voltage VN f = 10Hz to 100KHz TA = 25 ° C - 10 - µV/Vo Ripple Rejection RR f = 120Hz, IO = 500mA VI = 28V to 38V - 54 - dB Dropout Voltage VDrop IO = 1A, TJ =+25 ° C - 2.0 - V Output Resistance rO f = 1KHz - 20 - mΩ Short Circuit Current ISC VI= 35V, TA =+25 ° C - 250 - mA Peak Current IPK TJ=+25 ° C - 2.2 - A