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KA7808AE 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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KA7808AE 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 26 page KA78XXE/KA78XXAE 4 Electrical Characteristics (KA7808E/KA7808ER) (Continued) (Refer to test circuit, 0 °C < TJ < 125°C, IO = 500mA, VI =14V, 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 KA7808E Unit Min. Typ. Max. Output Voltage VO TJ =+25 °C 7.7 8.0 8.3 5.0mA ≤ IO ≤ 1.0A, PO ≤ 15W VI = 10.5V to 23V 7.6 8.0 8.4 V Line Regulation (Note1) Regline TJ =+25 °C VI = 10.5V to 25V - 5.0 160 mV VI = 11.5V to 17V - 2.0 80 Load Regulation (Note1) Regload TJ =+25 °C IO = 5.0mA to 1.5A - 10 160 mV IO = 250mA to 750mA - 5.0 80 Quiescent Current IQ TJ =+25 °C- 5.0 8.0 mA Quiescent Current Change ∆IQ IO = 5mA to 1.0A - 0.05 0.5 mA VI = 10.5A to 25V - 0.5 1.0 Output Voltage Drift (Note2) ∆VO/∆TIO = 5mA - -0.8 - mV/ °C Output Noise Voltage VN f = 10Hz to 100kHz, TA =+25 °C- 52 - µV/Vo Ripple Rejection (Note2) RR f = 120Hz, VI= 11.5V to 21.5V 56 73 - dB Dropout Voltage VDrop IO = 1A, TJ=+25 °C- 2 - V Output Resistance (Note2) rO f = 1kHz - 17 - 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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