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KA7812E 데이터시트(PDF) 9 Page - Fairchild Semiconductor |
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KA7812E 데이터시트(HTML) 9 Page - Fairchild Semiconductor |
9 / 26 page KA78XXE/KA78XXAE 9 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) Note: 1. 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. 2. These parameters, although guaranteed, are not 100% tested in production. Parameter Symbol Conditions KA7824E Unit Min. Typ. Max. Output Voltage VO TJ =+25 °C23 24 25 V 5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W VI = 27V to 38V 22.8 24 25.25 Line Regulation (Note1) Regline TJ =+25 °C VI = 27V to 38V - 17 480 mV VI = 30V to 36V - 6 240 Load Regulation (Note1) Regload TJ =+25 °C IO = 5mA to 1.5A - 15 480 mV IO = 250mA to 750mA - 5.0 240 Quiescent Current IQ TJ =+25 °C- 5.2 8.0 mA Quiescent Current Change ∆IQ IO = 5mA to 1.0A - 0.1 0.5 mA VI = 27V to 38V - 0.5 1 Output Voltage Drift (Note2) ∆VO/∆TIO = 5mA - -1.5 - mV/ °C Output Noise Voltage VN f = 10Hz to 100kHz, TA =+25 °C- 60 - µV/Vo Ripple Rejection (Note2) RR f = 120Hz VI = 28V to 38V 50 67 - dB Dropout Voltage VDrop IO = 1A, TJ=+25 °C- 2 - V Output Resistance (Note2) rO f = 1kHz - 28 - m Ω Short Circuit Current ISC VI = 35V, TA=+25 °C - 230 - mA Peak Current (Note2) IPK TJ =+25 °C- 2.2 - A |
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