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LM340 数据表(PDF) 5 Page - ON Semiconductor |
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LM340 数据表(HTML) 5 Page - ON Semiconductor |
5 / 20 page LM340, A Series 5 MOTOROLA ANALOG IC DEVICE DATA LM340–6.0 ELECTRICAL CHARACTERISTICS (Vin = 11 V, IO = 500 mA, TJ = Tlow to Thigh [Note 1], unless otherwise noted.) Characteristics Symbol Min Typ Max Unit Output Voltage (TJ = +25°C) IO = 5.0 mA to 1.0 A VO 5.75 6.0 6.25 Vdc Line Regulation 9.0 Vdc to 21 Vdc 8.0 Vdc to 25 Vdc (TJ = +25°C) 9.0 Vdc to 13 Vdc, IO = 1.0 A 8.3 Vdc to 21 Vdc, IO = 1.0 A (TJ = +25°C) Regline – – – – – – – – 60 60 30 60 mV Load Regulation 5.0 mA ≤ IO ≤ 1.0 A 5.0 mA ≤ IO ≤ 1.5 A (TJ = +25°C) 250 mA ≤ IO ≤ 750 mA (TJ = +25°C) Regload – – – – – – 60 60 30 mV Output Voltage 8.0 ≤ Vin ≤ 21 Vdc, 6.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W VO 5.7 – 6.3 Vdc Quiescent Current IO = 1.0 A TJ = +25°C IB – – – 4.0 8.5 8.0 mA Quiescent Current Change 8.0 ≤ Vin ≤ 25 Vdc, IO = 500 mA 5.0 mA ≤ IO ≤ 1.0 A, Vin = 11 V 8.6 ≤ Vin ≤ 21 Vdc, IO = 1.0 A ∆IB – – – – – – 1.0 0.5 1.0 mA Ripple Rejection IO = 1.0 A (TJ = +25°C) RR 59 78 – dB Dropout Voltage VI – VO – 1.7 – Vdc Output Resistance (f = 1.0 kHz) rO – 2.0 – m Ω Short Circuit Current Limit (TJ = +25°C) ISC – 1.9 – A Output Noise Voltage (TA = +25°C) 10 Hz ≤ f ≤ 100 kHz Vn – 45 – µV Average Temperature Coefficient of Output Voltage IO = 5.0 mA TCVO – ±0.7 – mV/ °C Peak Output Current (TJ = +25°C) IO – 2.4 – A Input Voltage to Maintain Line Regulation (TJ = +25°C) IO = 1.0 A 8.3 – – Vdc NOTE: 1. Tlow to Thigh = 0° to +125°C |
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