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KA7812AETU データシート(PDF) 11 Page - Fairchild Semiconductor |
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KA7812AETU データシート(HTML) 11 Page - Fairchild Semiconductor |
11 / 26 page 11 www.fairchildsemi.com KA78XXE/KA78XXAE Rev. 1.0.5 Electrical Characteristics (KA7824E) (Continued) Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI = 33V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Notes: 17. 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 is used. 18. These parameters, although guaranteed, are not 100% tested in production. Symbol Parameter Conditions KA7824E Unit Min. Typ. Max. VO Output Voltage TJ = +25°C23 24 25 V 5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W VI = 27V to 38V 22.8 24 25.25 Regline Line Regulation(17) TJ = +25°CVI = 27V to 38V – 17 480 mV VI = 30V to 36V – 6 240 Regload Load Regulation(17) TJ = +25°CIO = 5mA to 1.5A – 15 480 mV IO = 250mA to 750mA – 5.0 240 IQ Quiescent Current TJ = +25°C– 5.2 8.0 mA ∆IQ Quiescent Current Change IO = 5mA to 1.0A – 0.1 0.5 mA VI = 27V to 38V – 0.5 1 ∆VO/∆T Output Voltage Drift(18) IO = 5mA – -1.5 – mV/ °C VN Output Noise Voltage f = 10Hz to 100kHz, TA = +25°C– 60 – µV/Vo RR Ripple Rejection(18) f = 120Hz VI = 28V to 38V 50 67 – dB VDrop Dropout Voltage IO = 1A, TJ = +25°C– 2 – V rO Output Resistance(18) f = 1kHz – 28 – m Ω ISC Short Circuit Current VI = 35V, TA = +25°C– 230 – mA IPK Peak Current(18) TJ = +25°C– 2.2 – A |
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