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KA7812E 数据表(PDF) 10 Page - Fairchild Semiconductor |
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KA7812E 数据表(HTML) 10 Page - Fairchild Semiconductor |
10 / 29 page 10 www.fairchildsemi.com KA78XXE/KA78XXAE Rev. 1.0.1 Electrical Characteristics (KA7818E) (Continued) Refer to test circuit, 0°C < TJ < 125°C, IO = 500mA, VI = 27V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. Notes: 15. 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. 16. These parameters, although guaranteed, are not 100% tested in production. Symbol Parameter Conditions KA7818E Unit Min. Typ. Max. VO Output Voltage TJ = +25°C 17.3 18 18.7 V 5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W VI = 21V to 33V 17.1 18 18.9 Regline Line Regulation(15) TJ = +25°CVI = 21V to 33V – 15 360 mV VI = 24V to 30V – 5 180 Regload Load Regulation(15) TJ = +25°CIO = 5mA to 1.5A – 15 360 mV IO = 250mA to 750mA – 5.0 180 IQ Quiescent Current TJ = +25°C– 5.2 8.0 mA ∆IQ Quiescent Current Change IO = 5mA to 1.0A – – 0.5 mA VI = 21V to 33V – – 1 ∆VO/∆T Output Voltage Drift(16) IO = 5mA – -1 – mV/ °C VN Output Noise Voltage f = 10Hz to 100kHz, TA = +25°C– 110 – µV/Vo RR Ripple Rejection(16) f = 120Hz VI = 22V to 32V 53 69 – dB VDrop Dropout Voltage IO = 1A, TJ = +25°C – 2 – V rO Output Resistance(16) f = 1kHz – 22 – m Ω ISC Short Circuit Current VI = 35V, TA = +25°C– 250 – mA IPK Peak Current(16) TJ = +25°C– 2.2 – A |
类似零件编号 - KA7812E |
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类似说明 - KA7812E |
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