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LM140 bảng dữ liệu(PDF) 5 Page - Texas Instruments |
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LM140 bảng dữ liệu(HTML) 5 Page - Texas Instruments |
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5 / 28 page  LM340-N, LM78xx www.ti.com SNOSBT0J – FEBRUARY 2000 – REVISED DECEMBER 2013 LM140 Electrical Characteristics (1) −55°C ≤ TJ ≤ +150°C unless otherwise specified Output Voltage 5V 12V 15V Symb Input Voltage (unless otherwise noted) 10V 19V 23V Units ol Parameter Conditions Min Typ Max Min Typ Max Min Typ Max VO Output Voltage TJ = 25°C, 5 mA ≤ IO ≤ 1A 4.8 5 5.2 11.5 12 12.5 14.4 15 15.6 V PD ≤ 15W, 5 mA ≤ IO ≤ 1A 4.75 5.25 11.4 12.6 14.25 15.75 V VMIN ≤ VIN ≤ VMAX (8 ≤ VIN ≤ 20) (15.5 ≤ VIN ≤ 27) (18.5 ≤ VIN ≤ 30) V ΔVO Line IO = 500 TJ = 25°C 3 50 4 120 4 150 mV Regulation mA ΔVIN (7 ≤ VIN ≤ 25) (14.5 ≤ VIN ≤ 30) (17.5 ≤ VIN ≤ 30) V −55°C ≤ TJ ≤ 50 120 150 mV +150°C ΔVIN (8 ≤ VIN ≤ 20) (15 ≤ VIN ≤ 27) (18.5 ≤ VIN ≤ 30) V IO ≤ 1A TJ = 25°C 50 120 150 mV ΔVIN (7.5 ≤ VIN ≤ 20) (14.6 ≤ VIN ≤ 27) (17.7 ≤ VIN ≤ 30) V −55°C ≤ TJ ≤ 25 60 75 mV +150°C ΔVIN (8 ≤ VIN ≤ 12) (16 ≤ VIN ≤ 22) (20 ≤ VIN ≤ 26) V ΔVO Load TJ = 5 mA ≤ IO ≤ 10 50 12 120 12 150 mV Regulation 25°C 1.5A 250 mA ≤ IP ≤ 25 60 75 mV 750 mA −55°C ≤ TJ ≤ +150°C, 50 120 150 mV 5 mA ≤ IO ≤ 1A IQ Quiescent IO ≤ 1A TJ = 25°C 6 6 6 mA Current −55°C ≤ TJ ≤ 7 7 7 mA +150°C ΔIQ Quiescent 5 mA ≤ IO ≤ 1A 0.5 0.5 0.5 mA Current TJ = 25°C, IO ≤ 1A 0.8 0.8 0.8 mA Change VMIN ≤ VIN ≤ VMAX (8 ≤ VIN ≤ 20) (15 ≤ VIN ≤ 27) (18.5 ≤ VIN ≤ 30) V IO = 500 mA, −55°C ≤ TJ ≤ 0.8 0.8 0.8 mA +150°C VMIN ≤ VIN ≤ VMAX (8 ≤ VIN ≤ 25) (15 ≤ VIN ≤ 30) (18.5 ≤ VIN ≤ 30) V VN Output Noise TA = 25°C, 10 Hz ≤ f ≤ 100 40 75 90 μV Voltage kHz Ripple f = 120 IO ≤ 1A, TJ = 68 80 61 72 60 70 dB Rejection Hz 25°C or IO ≤ 500 mA, 68 61 60 dB −55°C ≤ TJ ≤+150°C VMIN ≤ VIN ≤ VMAX (8 ≤ VIN ≤ 18) (15 ≤ VIN ≤ 25) (18.5 ≤ VIN ≤ 28.5) V RO Dropout TJ = 25°C, IO = 1A 2.0 2.0 2.0 V Voltage Output f = 1 kHz 8 18 19 m Ω Resistance Short-Circuit TJ = 25°C 2.1 1.5 1.2 A Current Peak Output TJ = 25°C 2.4 2.4 2.4 A Current Average TC of 0°C ≤ TJ ≤ +150°C, IO = 5 −0.6 −1.5 −1.8 mV/°C VOUT mA (1) 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. Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM340-N LM78xx |
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