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KA78M08R Fiches technique(PDF) 9 Page - Fairchild Semiconductor |
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KA78M08R Fiches technique(HTML) 9 Page - Fairchild Semiconductor |
9 / 16 page KA78MXX 9 Electrical Characteristics (KA78M20/KA78M20R) (Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI =29V, unless otherwise specified, CI = 0.33µF, CO=0.1µF) Notes: *Load and line regulation are specified at constant, junction temperature. Change in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used. Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage VO TJ= +25 °C 19.2 20 20.8 V IO = 5 to 350mA VI= 23 to 35V 19 20 21 Line Regulation ∆VO IO = 200mA TJ =+25 °C VI= 23 to 35V - - 100 mV VI = 24 to 35V - - 50 Load Regulation ∆VO IO = 5mA to 0.5A, TJ =+25 °C - - 400 mV IO = 5mA to 200mA, TJ =+25 °C - - 200 Quiescent Current IQ TJ=+25 °C- 4.2 6 mA Quiescent Current Change ∆IQ IO = 5mA to 350mA - - 0.5 mA IO = 200mA VI = 23 to 35V -- 0.8 Output Voltage Drift ∆V/∆T IO = 5mA TJ = 0 to +125 °C - −1.1 - mV/ °C Output Noise Voltage VN f = 10Hz to 100KHz - 110 - µV Ripple Rejection RR f = 120Hz, IO = 300mA VI = 24 to 34V 53 - - dB Dropout Voltage VD TJ =+25 °C, IO = 500mA - 2 - V Short Circuit Current ISC TJ = +25 °C, VI= 35V - 300 - mA Peak Current IPK TJ = +25 °C - 700 - mA |
Numéro de pièce similaire - KA78M08R |
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Description similaire - KA78M08R |
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