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LM340AT-12 데이터시트(PDF) 8 Page - Motorola, Inc |
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LM340AT-12 데이터시트(HTML) 8 Page - Motorola, Inc |
8 / 20 page LM340, A Series 8 MOTOROLA ANALOG IC DEVICE DATA LM340A–12 ELECTRICAL CHARACTERISTICS (Vin = 19 V, IO = 1.0 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 11.75 12 12.25 Vdc Line Regulation 14.8 Vdc to 27 Vdc, IO = 500 mA 14.5 Vdc to 30 Vdc (TJ = +25°C) 16 Vdc to 22 Vdc 16 Vdc to 22 Vdc (TJ = +25°C) Regline – – – – – 4.0 – – 18 18 30 9.0 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 32 19 mV Output Voltage 14.8 ≤ Vin ≤ 27 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W VO 11.5 – 12.5 Vdc Quiescent Current TJ = +25°C IB – – – 3.5 6.5 6.0 mA Quiescent Current Change 5.0 mA ≤ IO ≤ 1.0 A, Vin = 19 V 15 ≤ Vin ≤ 30 Vdc, IO = 500 mA 14.8 ≤ Vin ≤ 27 Vdc, IO = 1.0 A(TJ = +25°C) ∆IB – – – – – – 0.5 0.8 0.8 mA Ripple Rejection 15 ≤ Vin ≤ 25 Vdc, f = 120 Hz IO = 500 mA IO = 1.0 A (TJ = +25°C) RR 61 61 – 72 – – 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 – 1.1 – A Output Noise Voltage (TA = +25°C) 10 Hz ≤ f ≤ 100 kHz Vn – 75 – µV Average Temperature Coefficient of Output Voltage IO = 5.0 mA TCVO – ±1.5 – mV/ °C Peak Output Current (TJ = +25°C) IO – 2.4 – A Input Voltage to Maintain Line Regulation (TJ = +25°C) 14.5 – – Vdc NOTE: 1. Tlow to Thigh = 0° to +125°C |
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