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LM7805 Datasheet(PDF) 16 Page - Fairchild Semiconductor |
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LM7805 Datasheet(HTML) 16 Page - Fairchild Semiconductor |
16 / 28 page MC78XX/LM78XX/MC78XXA 16 Electrical Characteristics (MC7812A) (Refer to the test circuits. 0 °C < TJ < 125°C, Io =1A, V I = 19V, 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 11.75 12 12.25 V IO = 5mA to 1A, PO ≤15W VI = 14.8V to 27V 11.5 12 12.5 Line Regulation (Note1) Regline VI= 14.8V to 30V IO = 500mA - 10 120 mV VI= 16V to 22V - 4 120 TJ =+25 °C VI= 14.5V to 27V - 10 120 VI= 16V to 22V - 3 60 Load Regulation (Note1) Regload TJ =+25 °C IO = 5mA to 1.5A - 12 100 mV IO = 5mA to 1.0A - 12 100 IO = 250mA to 750mA - 5 50 Quiescent Current IQ TJ =+25°C- 5.1 6.0 mA Quiescent Current Change ∆IQ VI = 15V to 30V, TJ=+25 °C- 0.8 mA VI = 14V to 27V, IO = 500mA - 0.8 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 = 14V to 24V -60 - dB Dropout Voltage VDrop IO = 1A, TJ =+25°C- 2.0 - V Output Resistance rO f = 1KHz - 18 - m Ω Short Circuit Current ISC VI= 35V, TA =+25 °C - 250 - mA Peak Current IPK TJ=+25 °C- 2.2 - A |
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