Datasheet KA278RXXC (ON Semiconductor) - 4

VIN = Note 3, IO = 1.0 A, TA = 25°C, unless otherwise specified. Symbol
VO Parameter
Output Voltage Min. Typ. Max. KA278R33C Test Conditions 3.22 3.30 3.38 KA278R05C 4.88 5.00 5.12 11.70 12.00 12.30 0.1 2.0 % 0.5 2.5 % KA278R12C
Rload
Rline
RR Load Regulation
Line Regulation 5 mA < IO < 2 A (4)
(2) 45 Ripple Rejection Ratio 55 V dB Vdrop Dropout Voltage VdisH Disable Voltage High KA278RXXC Output Active VdisL Disable Voltage Low KA278RXXC Output Disabled 0.8 V IdisH Disable Bias Current High KA278RXXC Vdis = 2.7 V 20 μA IdisL Disable Bias Current Low KA278RXXC Vdis = 0.4 V -0.4 mA 10 mA 1.30 V Iq Quiescent Current Vref Reference Voltage IO = 2 A Unit 0.5
2.0 V IO = 0 A
KA278RA05C 1.24 V 1.27 Notes:
2. These parameters, although guaranteed, are not 100% tested in production.
3. KA278R33C: VIN = 5 V;
KA278R05C: VIN = 7 V;
KA278R12C: VIN = 15 V.
4. KA278R33C: VIN =4 V to 10 V;
KA278R05C: VIN = 6 V to 12 V;
KA278R12C: VIN = 13 V to 29 V. © 2004 Fairchild Semiconductor Corporation
KA278RXXC-Series Rev. 1.1.0 www.fairchildsemi.com
3 KA278RXXC-Series — 2 A Output Low Dropout Voltage Regulators Electrical Characteristics