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KA278R12CTSTU Datasheet(PDF) 3 Page - Fairchild Semiconductor |
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KA278R12CTSTU Datasheet(HTML) 3 Page - Fairchild Semiconductor |
3 / 20 page KA278RXXC-SERIES 3 Electrical Characteristics (Vin=Note3, Io=1.0A, Ta=25 °C , unless otherwise specified) Note: 1.These parameters, although guaranteed, are not 100% tested in production. 2. Junction -to -case thermal resistance test environments. -. Pneumatic heat sink fixture. -. Clamping pressure 60psi through 12mm diameter cylinder. -. Thermal grease applied between PKG and heat sink fixture. 3. KA278R33C : Vin = 5V KA278R05C : Vin = 7V KA278R09C : Vin = 11V KA278R12C : Vin = 15V 4. KA278R33C : Vin =4 to 10V KA278R05C, KA278R51C : Vin=6 to 12V KA278R09C : Vin=10 to 25V KA278R12C : Vin = 13V to 29V Parameter Symbol Conditions Min. Typ. Max. Unit Output voltage KA278R33C Vo - 3.22 3.3 3.38 V KA278R05C - 4.88 5 5.12 KA278R51C - 4.98 5.1 5.22 KA278R09C - 8.78 9 9.22 KA278R12C - 11.7 12 12.3 Load regulation Rload 5mA < Io < 2A - 0.1 2.0 % Line regulation Rline Note4 - 0.5 2.5 % Ripple rejection ratio RR Note1 45 55 - dB Dropout voltage Vdrop Io = 2A - - 0.5 V Disable voltage high KA278RXXC VdisH Output active 2.0 - - V Disable voltage low KA278RXXC VdisL Output disabled - - 0.8 V Disable bias current high KA278RXXC IdisH Vdis = 2.7V - - 20 µA Disable bias current low KA278RXXC IdisL Vdis = 0.4V - - -0.4 mA Quiescent current Iq Io = 0A - - 10 mA Reference voltage KA278RA05C Vref - 1.24 1.27 1.30 V |
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