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LM7805 Datasheet(PDF) 17 Page - Fairchild Semiconductor |
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LM7805 Datasheet(HTML) 17 Page - Fairchild Semiconductor |
17 / 28 page ![]() MC78XX/LM78XX/MC78XXA 17 Electrical Characteristics (MC7815A) (Refer to the test circuits. 0 °C < TJ < 125°C, Io =1A, V I =23V, 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 14.7 15 15.3 V IO = 5mA to 1A, PO ≤15W VI = 17.7V to 30V 14.4 15 15.6 Line Regulation (Note1) Regline VI= 17.9V to 30V IO = 500mA - 10 150 mV VI= 20V to 26V - 5 150 TJ =+25°C VI= 17.5V to 30V - 11 150 VI= 20V to 26V - 3 75 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- 5.2 6.0 mA Quiescent Current Change ∆IQ VI = 17.5V to 30V, TJ =+25 °C- - 0.8 mA VI = 17.5V to 30V, 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 = 18.5V to 28.5V -58 - dB Dropout Voltage VDrop IO = 1A, TJ =+25 °C- 2.0 - V Output Resistance rO f = 1KHz - 19 - 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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