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LM140 bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI) |
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LM140 bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI) |
2 / 15 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. (Note 5) DC Input Voltage All Devices except LM7824/LM7824C 35V LM7824/LM7824C 40V Internal Power Dissipation (Note 2) Internally Limited Maximum Junction Temperature 150˚C Storage Temperature Range −65˚C to +150˚C Lead Temperature (Soldering, 10 sec.) TO-3 Package (K) 300˚C TO-220 Package (T), TO-263 Package (S) 230˚C ESD Susceptibility (Note 3) 2 kV Operating Conditions (Note 1) Temperature Range (T A) (Note 2) LM140A, LM140 −55˚C to +125˚C LM340A, LM340, LM7805C, LM7812C, LM7815C, LM7808C 0˚C to +125˚C LM340A Electrical Characteristics I OUT= 1A, −55˚C ≤ TJ≤+150˚C (LM140A), or 0˚C ≤ TJ≤+ 125˚C (LM340A) unless otherwise specified (Note 4) Output Voltage 5V 12V 15V Symbol Input Voltage (unless otherwise noted) 10V 19V 23V Units Parameter Conditions Min Typ Max Min Typ Max Min Typ Max VO Output Voltage TJ = 25˚C 4.9 5 5.1 11.75 12 12.25 14.7 15 15.3 V PD ≤ 15W, 5 mA ≤ IO ≤ 1A 4.8 5.2 11.5 12.5 14.4 15.6 V VMIN ≤ VIN ≤ VMAX (7.5 ≤ V IN ≤ 20) (14.8 ≤ V IN ≤ 27) (17.9 ≤ V IN ≤ 30) V ∆V O Line Regulation IO = 500 mA 10 18 22 mV ∆V IN (7.5 ≤ V IN ≤ 20) (14.8 ≤ V IN ≤ 27) (17.9 ≤ V IN ≤ 30) V TJ = 25˚C 3 10 4 18 4 22 mV ∆V IN (7.5 ≤ V IN ≤ 20) (14.5 ≤ V IN ≤ 27) (17.5 ≤ V IN ≤ 30) V TJ = 25˚C 4 9 10 mV Over Temperature 12 30 30 mV ∆V IN (8 ≤ V IN ≤ 12) (16 ≤ V IN ≤ 22) (20 ≤ V IN ≤ 26) V ∆V O Load Regulation TJ = 25˚C 5 mA ≤ I O ≤ 1.5A 10 25 12 32 12 35 mV 250 mA ≤ I O ≤ 750 mA 15 19 21 mV Over Temperature, 25 60 75 mV 5mA ≤ I O ≤ 1A IQ Quiescent Current TJ = 25˚C 6 6 6 mA Over Temperature 6.5 6.5 6.5 mA ∆I Q Quiescent Current 5 mA ≤ I O ≤ 1A 0.5 0.5 0.5 mA Change TJ = 25˚C, IO = 1A 0.8 0.8 0.8 mA VMIN ≤ VIN ≤ VMAX (7.5 ≤ V IN ≤ 20) (14.8 ≤ V IN ≤ 27) (17.9 ≤ V IN ≤ 30) V IO = 500 mA 0.8 0.8 0.8 mA VMIN ≤ VIN ≤ VMAX (8 ≤ V IN ≤ 25) (15 ≤ V IN ≤ 30) (17.9 ≤ V IN ≤ 30) V VN Output Noise Voltage TA = 25˚C, 10 Hz ≤ f ≤ 100 kHz 40 75 90 µV Ripple Rejection TJ = 25˚C, f = 120 Hz, IO = 1A 68 80 61 72 60 70 dB or f = 120 Hz, IO = 500 mA, 68 61 60 dB Over Temperature, VMIN ≤ VIN ≤ VMAX (8 ≤ V IN ≤ 18) (15 ≤ V IN ≤ 25) (18.5 ≤ V IN ≤ 28.5) V RO Dropout Voltage TJ = 25˚C, IO = 1A 2.0 2.0 2.0 V Output Resistance f = 1 kHz 8 18 19 m Ω Short-Circuit Current TJ = 25˚C 2.1 1.5 1.2 A Peak Output Current TJ = 25˚C 2.4 2.4 2.4 A Average TC of VO Min, TJ = 0˚C, IO = 5 mA −0.6 −1.5 −1.8 mV/˚C VIN Input Voltage TJ = 25˚C Required to Maintain 7.5 14.5 17.5 V Line Regulation www.national.com 2 |
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