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LM340AT-5.0 Datasheet(PDF) 3 Page - ON Semiconductor |
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LM340AT-5.0 Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 20 page LM340, A Series 3 MOTOROLA ANALOG IC DEVICE DATA LM340–5.0 ELECTRICAL CHARACTERISTICS (Vin = 10 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 4.8 5.0 5.2 Vdc Line Regulation (Note 2) 8.0 Vdc to 20 Vdc 7.0 Vdc to 25 Vdc (TJ = +25°C) 8.0 Vdc to 12 Vdc, IO = 1.0 A 7.3 Vdc to 20 Vdc, IO = 1.0 A (TJ = +25°C) Regline – – – – – – – – 50 50 25 50 mV Load Regulation (Note 2) 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 – – – – – – 50 50 25 mV Output Voltage 7.0 ≤ Vin ≤ 20 Vdc, 5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W VO 4.75 – 5.25 Vdc Quiescent Current IO = 1.0 A TJ = +25°C IB – – – 4.0 8.5 8.0 mA Quiescent Current Change 7.0 ≤ Vin ≤ 25 Vdc, IO = 500 mA 5.0 mA ≤ IO ≤ 1.0 A, Vin = 10 V 7.5 ≤ Vin ≤ 20 Vdc, IO = 1.0 A ∆IB – – – – – – 1.0 0.5 1.0 mA Ripple Rejection IO = 1.0 A (TJ = +25°C) RR 62 80 – 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 – 2.0 – A Output Noise Voltage (TA = +25°C) 10 Hz ≤ f ≤ 100 kHz Vn – 40 – µV Average Temperature Coefficient of Output Voltage IO = 5.0 mA TCVO – ±0.6 – 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 7.3 – – Vdc NOTES: 1. Tlow to Thigh = 0° to +125°C 2. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. DEFINITIONS Line Regulation – The change in output voltage for a change in the input voltage. The measurement is made under conditions of low dissipation or by using pulse techniques such that the average chip temperature is not significantly affected. Load Regulation – The change in output voltage for a change in load current at constant chip temperature. Maximum Power Dissipation – The maximum total device dissipation for which the regulator will operate within specifications. Quiescent Current – That part of the input current that is not delivered to the load. Output Noise Voltage – The rms AC voltage at the output, with constant load and no input ripple, measured over a specified frequency range. |
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