MC78XX/LM78XX/MC78XXA Electrical Characteristics(MC7809) (Refer to test circuit,OC<TJ<125C,lo=500mA,VI=15V.CI=0.33uF,Co=0.1uF,unless otherwise specified) MC7809 Parameter Symbol Conditions Min.Typ.Max. Unit TJ=+250 8.6599.35 Output Voltage Vo 5.0mA≤lo≤1.0APo≤15W V=11.5Vto24\ 8.6 9 9.4 小 VI=11.5V to 25V 6180 Line Regulation(Note1) Regline T=+25C Vi=12V to 17V mV 200 Load Regulation(Note1) TJ=+25C lo=5mA to 1.5A 12180 lo 250mA to 750mA mV 4 90 Quiescent Current lo T.=+25C 5.08.0mA Quiescent Current Change lo 5mA to 1.0A 0.5 M=11.5Vto26 1.3 mA Output Voltage Drift △VO/AT lo=5mA -1 mM℃ Output Noise Voltage VN f=10Hz to 100KHz.TA =+25C 58 uVNo Ripple Rejection RR f=120Hz VI=13V to 23V 71 8 Dropout Voltage VDrop l0=1AT=+25C Output Resistance ro f=1KHz m Short Circuit Current V1=35V,TA=+25C 250 mA Peak Current IPK TJ=+25℃ 2.2 A effects must be taker 5MC78XX/LM78XX/MC78XXA 5 Electrical Characteristics (MC7809) (Refer to test circuit ,0°C < TJ < 125°C, IO = 500mA, VI =15V, 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 MC7809 Unit Min. Typ. Max. Output Voltage VO TJ =+25°C 8.65 9 9.35 5.0mA≤ IO ≤1.0A, PO ≤15W VI= 11.5V to 24V 8.6 9 9.4 V Line Regulation (Note1) Regline TJ=+25°C VI = 11.5V to 25V - 6 180 mV VI = 12V to 17V - 2 90 Load Regulation (Note1) Regload TJ=+25°C IO = 5mA to 1.5A - 12 180 mV IO = 250mA to 750mA - 4 90 Quiescent Current IQ TJ=+25°C - 5.0 8.0 mA Quiescent Current Change ∆IQ IO = 5mA to 1.0A - - 0.5 mA VI = 11.5V to 26V - - 1.3 Output Voltage Drift ∆VO/∆T IO = 5mA - -1 - mV/ °C Output Noise Voltage VN f = 10Hz to 100KHz, TA =+25 °C - 58 - µV/Vo Ripple Rejection RR f = 120Hz VI = 13V to 23V 56 71 - dB Dropout Voltage VDrop IO = 1A, TJ=+25°C -2- V Output Resistance rO f = 1KHz - 17 - mΩ Short Circuit Current ISC VI= 35V, TA =+25°C - 250 - mA Peak Current IPK TJ= +25°C - 2.2 - A