MC78XX/LM78XX/MC78XXA Electrical Characteristics(MC7824) (Refer to test circuit.C<TJ<125C.lo=500mA,VI=33V.C=0.33uF.Co=0.1uF,unless otherwise specified) MC7824 Parameter Symbol Conditions Min.Typ.Max. Unit TJ=+25℃ 2324 25 Output Voltage Vo 22.8 24 052 TJ=+25℃ VI=27V to 38V 17 480 Line Requlation (Note1) Regline mV Vi=30V to 36V 6 240 15 480 Load Regulation(Note1) TJ=+25℃ lo=5mA to 1.5A 10=250mAto750mA 5.0 240 mV Quiescent Current lo TJ=+25℃ 5.28.0mA lo=5mA to 1.0A 0.10.5 Quiescent Current Change 1=27Vto38V mA 0.5 1 Output Voltage Drift △VOAT lo=5mA Output Noise Voltage VN f=10Hz to 100KHZ.TA=+25C -60-uV八Vo Ripple Reiection RR f=120Hz VI=28V to 38V 50 67 dB Dropout Voltage Voron lo=1A.T+25C 2 V Output Resistance ro f=1KHZ 28 mo Short Circuit Current M=35 TA=+25C 230 mA Peak Current IPK TJ=+25C 2.2 A eregulaiel rature Changes in vo due to heating effects must be taken 10 MC78XX/LM78XX/MC78XXA 10 Electrical Characteristics (MC7824) (Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =33V, 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 MC7824 Unit Min. Typ. Max. Output Voltage VO TJ =+25 oC 23 24 25 5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W VI = 27V to 38V 22.8 24 25.25 V Line Regulation (Note1) Regline TJ =+25 oC VI = 27V to 38V - 17 480 mV VI = 30V to 36V - 6 240 Load Regulation (Note1) Regload TJ =+25 oC IO = 5mA to 1.5A - 15 480 mV IO = 250mA to 750mA - 5.0 240 Quiescent Current IQ TJ =+25 oC - 5.2 8.0 mA Quiescent Current Change ∆IQ IO = 5mA to 1.0A - 0.1 0.5 mA VI = 27V to 38V - 0.5 1 Output Voltage Drift ∆VO/∆T IO = 5mA - -1.5 - mV/ oC Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 oC - 60 - µV/Vo Ripple Rejection RR f = 120Hz VI = 28V to 38V 50 67 - dB Dropout Voltage VDrop IO = 1A, TJ=+25 oC -2- V Output Resistance rO f = 1KHz - 28 - mΩ Short Circuit Current ISC VI = 35V, TA=+25 oC - 230 - mA Peak Current IPK TJ =+25 oC - 2.2 - A