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LM7805A Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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LM7805A Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 23 page 5 www.fairchildsemi.com Electrical Characteristics (LM7809) (Refer to the test circuits. 40qC TJ 125qC, IO = 500mA, VI = 15V, CI = 0.33PF, CO = 0.1PF, unless otherwise specified) Note 8: 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. Note 9: These parameters, although guaranteed, are not 100% tested in production. Electrical Characteristics (LM7810) (Refer to the test circuits. 40qC TJ 125qC, IO = 500mA, VI = 16V, CI = 0.33PF, CO = 0.1PF, unless otherwise specified) Note 10: 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. Note 11: These parameters, although guaranteed, are not 100% tested in production. Parameter Symbol Conditions Min Typ Max Unit Output Voltage VO TJ = 25qC 8.65 9.0 9.35 V 5mA d IO d 1A, PO d 15W, VI = 11.5V to 24V 8.6 9.0 9.4 Line Regulation Regline TJ = 25qCVI = 11.5V to 25V – 6.0 180 mV (Note 8) VI = 12V to 17V – 2.0 90.0 Load Regulation Regload TJ = 25qCIO = 5mA to 1.5mA – 12.0 180 mV (Note 8) IO = 250mA to 750mA – 4.0 90.0 Quiescent Current IQ TJ = 25qC– 5.0 8.0 mA Quiescent Current Change 'IQ IO = 5mA to 1A – – 0.5 mA VI = 11.5V to 26V – – 1.3 Output Voltage Drift (Note 9) 'VO/'TIO = 5mA – 1.0 – mV/ qC Output Noise Voltage VN f = 10Hz to 100KHz, TA = 25qC – 58.0 – PV/VO Ripple Rejection (Note 9) RR f = 120Hz, VO = 13V to 23V 56.0 71.0 – dB Dropout Voltage VDROP IO = 1A, TJ = 25qC– 2.0 – V Output Resistance (Note 9) rO f = 1KHz – 17.0 – m : Short Circuit Current ISC VI = 35V, TA = 25qC– 250 – mA Peak Current (Note 9) IPK TJ =25qC– 2.2 – A Parameter Symbol Conditions Min Typ Max Unit Output Voltage VO TJ = 25qC 9.6 10.0 10.4 V 5mA d IO d 1A, PO d 15W, VI = 12.5V to 25V 9.5 10.0 10.5 Line Regulation Regline TJ = 25qCVI = 12.5V to 25V – 10.0 200 mV (Note 10) VI = 13V to 25V – 3.0 100 Load Regulation Regload TJ = 25qCIO = 5mA to 1.5mA – 12.0 200 mV (Note 10) IO = 250mA to 750mA – 4.0 400 Quiescent Current IQ TJ = 25qC– 5.1 8.0 mA Quiescent Current Change 'IQ IO = 5mA to 1A – – 0.5 mA VI = 12.5V to 29V – – 1.0 Output Voltage Drift (Note 11) 'VO/'TIO = 5mA – 1.0 – mV/ qC Output Noise Voltage VN f = 10Hz to 100KHz, TA = 25qC – 58.0 – PV/VO Ripple Rejection (Note 11) RR f = 120Hz, VO = 13V to 23V 56.0 71.0 – dB Dropout Voltage VDROP IO = 1A, TJ = 25qC– 2.0 – V Output Resistance (Note 11) rO f = 1KHz – 17.0 – m : Short Circuit Current ISC VI = 35V, TA = 25qC– 250 – mA Peak Current (Note 11) IPK TJ =25qC– 2.2 – A |
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