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LM340T157815 数据表(PDF) 7 Page - National Semiconductor (TI) |
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LM340T157815 数据表(HTML) 7 Page - National Semiconductor (TI) |
7 / 17 page LM7808C Electrical Characteristics 0˚C ≤ T J ≤ +150˚C, V I = 14V, IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF, unless otherwise specified Symbol Parameter Conditions (Note 6) LM7808C Units Min Typ Max V O Output Voltage T J = 25˚C 7.7 8.0 8.3 V ∆V O Line Regulation T J = 25˚C 10.5V ≤ V I ≤ 25V 6.0 160 mV 11.0V ≤ V I ≤ 17V 2.0 80 ∆V O Load Regulation T J = 25˚C 5.0 mA ≤ I O ≤ 1.5A 12 160 mV 250 mA ≤ I O ≤ 750 mA 4.0 80 V O Output Voltage 11.5V ≤ V I ≤ 23V, 5.0 mA ≤ I O ≤ 1.0A, P ≤ 15W 7.6 8.4 V I Q Quiescent Current T J = 25˚C 4.3 8.0 mA ∆I Q Quiescent With Line 11.5V ≤ V I ≤ 25V 1.0 mA Current Change With Load 5.0 mA ≤ I O ≤ 1.0A 0.5 V N Noise T A = 25˚C, 10 Hz ≤ f ≤ 100 kHz 52 µV ∆V I/ ∆V O Ripple Rejection f = 120 Hz, I O = 350 mA, TJ = 25˚C 56 72 dB V DO Dropout Voltage I O = 1.0A, TJ = 25˚C 2.0 V R O Output Resistance f = 1.0 kHz 16 m Ω I OS Output Short Circuit Current T J = 25˚C, VI = 35V 0.45 A I PK Peak Output Current T J = 25˚C 2.2 A ∆V O/ ∆T Average Temperature I O = 5.0 mA 0.8 mV/˚C Coefficient of Output Voltage Note 6: All characteristics are measured with a 0.22 µF capacitor from input to ground and a 0.1 µF capacitor from output to ground. All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tw ≤ 10 ms, duty cycle ≤ 5%). Output voltage changes due to changes in internal temperature must be taken into account separately. www.national.com 7 |
类似零件编号 - LM340T157815 |
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类似说明 - LM340T157815 |
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