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LM340T-18 Folha de dados(PDF) 11 Page - Motorola, Inc |
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LM340T-18 Folha de dados(HTML) 11 Page - Motorola, Inc |
11 / 20 page LM340, A Series 11 MOTOROLA ANALOG IC DEVICE DATA LM340–18 ELECTRICAL CHARACTERISTICS (Vin = 27 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 17.3 18 18.7 Vdc Line Regulation 21.5 Vdc to 33 Vdc 21 Vdc to 33 Vdc (TJ = +25°C) 24 Vdc to 30 Vdc, IO = 1.0 A 21 Vdc to 33 Vdc, IO = 1.0 A (TJ = +25°C) Regline – – – – – – – – 180 180 90 180 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 – – – – – – 180 180 90 mV Output Voltage 21 ≤ Vin ≤ 33 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W VO 17.1 – 18.9 Vdc Quiescent Current IO = 1.0 A TJ = +25°C IB – – – 4.0 8.5 8.0 mA Quiescent Current Change 21 ≤ Vin ≤ 33 Vdc, IO = 500 mA 5.0 mA ≤ IO ≤ 1.0 A, Vin = 27 V 21 ≤ Vin ≤ 33 Vdc, IO = 1.0 A ∆IB – – – – – – 1.0 0.5 1.0 mA Ripple Rejection IO = 1.0 mA (TJ = +25°C) RR 53 69 – 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 – 500 – A Output Noise Voltage (TA = +25°C) 10 Hz ≤ f ≤ 100 kHz Vn – 110 – µV Average Temperature Coefficient of Output Voltage IO = 5.0 mA TCVO – ±2.3 – 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 21 – – Vdc NOTE: 1. Tlow to Thigh = 0° to +125°C |
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