SEMICONDUCTOR TECHNICAL DATA KIA278R015FP/PI~ KIA278R050FP/PI BIPOLAR LINEAR INTEGRATED CIRCUIT 2A LOW DROPOUT VOLTAGE REGULATOR [Low Quiescent Current Type] FEATURES 2.0A Output Low Dropout Voltage Regulator. Very Low Dropout Voltage : 0.5V/Max (IOUT=2.0A) Built-in ON/OFF Control terminal. : Active High Built in Over Current, Over Heat Protection ASO Protection Functions. Low Quiescent Current (Output OFF Mode) : 0.5 A(Typ.) Low Voltage Operation : VOPR(MIN)=2.35V. LINE UP ITEM OUTPUT VOLTAGE (Typ.) KIA278R015FP/PI 1.5 KIA278R018FP/PI 1.8 KIA278R020FP/PI 2.0 KIA278R025FP/PI 2.5 KIA278R030FP/PI 3.0 KIA278R033FP/PI 3.3 KIA278R050FP/PI 5.0 MAXIMUM RATINGS (Ta=25 CHARACTERISTIC PACKAGE FP : D2PAK-5 PI : TO-220IS-4 ) SYMBOL RATING UNIT Input Voltage VIN 15 V ON/OFF Control Voltage VC 15 V Output Current IOUT 2.0 A Power Dissipation-1 FP (No Heatsink) PI Power Dissipation-2 FP (Infinite Heatsink) PI 2.0 PD1 W 1.5 35 PD2 Tj Junction Temperature W 15 150 Operating Junction Temperature Topr -20 80 Storage Temperature Tstg -30 150 2005. 10. 21 Revision No : 0 1/10 KIA278R015FP/PI~KIA278R050FP/PI KIA278R015FP~KIA278R050FP (D2PAK-5) 2005. 10. 21 Revision No : 0 2/10 KIA278R015FP/PI~KIA278R050FP/PI KIA278R015PI~KIA278R050PI (TO-220IS-4) 2005. 10. 21 Revision No : 0 3/10 KIA278R015FP/PI~KIA278R050FP/PI ELECTRICAL CHARACTERISTICS (KIA278R015) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Input Voltage VIN - 2.35 - 7 V Output Voltage VO - 1.45 1.50 1.55 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=2.5V~5.5V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A VC=2.7V - %/ ELECTRICAL CHARACTERISTICS (KIA278R018) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Input Voltage VIN - 2.35 - 7 V Output Voltage VO - 1.75 1.8 1.85 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=2.5V~5.5V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) 2005. 10. 21 Revision No : 0 IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A VC=2.7V - %/ 4/10 KIA278R015FP/PI~KIA278R050FP/PI ELECTRICAL CHARACTERISTICS (KIA278R020) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Output Voltage VO - 1.95 2.0 2.05 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=3V~6V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Dropout Voltage VD Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB - - 0.5 V 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A IO=2A VC=2.7V - %/ ELECTRICAL CHARACTERISTICS (KIA278R025) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Output Voltage VO - 2.438 2.50 2.562 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=3V~6.5V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Dropout Voltage VD Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) 2005. 10. 21 Revision No : 0 IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB - - 0.5 V 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A IO=2A VC=2.7V - %/ 5/10 KIA278R015FP/PI~KIA278R050FP/PI ELECTRICAL CHARACTERISTICS (KIA278R030) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Output Voltage VO - 2.925 3.0 3.075 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=3.5V~7V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Dropout Voltage VD Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB - - 0.5 V 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A IO=2A VC=2.7V - %/ ELECTRICAL CHARACTERISTICS (KIA278R033) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Output Voltage VO - 3.218 3.30 3.382 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=3.8V~7V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Dropout Voltage VD Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) 2005. 10. 21 Revision No : 0 IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB - - 0.5 V 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A IO=2A VC=2.7V - %/ 6/10 KIA278R015FP/PI~KIA278R050FP/PI ELECTRICAL CHARACTERISTICS (KIA278R050) (Unless otherwise specified, VIN=VO+1V, IO=1A, Ta=25 ) CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT Output Voltage VO - 4.88 5.0 5.12 V Load Regulation Reg Load IO=5mA 2.0A - 0.2 2.0 % Line Regulation Reg Line VIN=5.5V~7V, IO=5mA - 0.05 1.0 % - Temperature Coefficient of Output Voltage TCVO Tj=0 125 Ripple Rejection R R IOUT=0.5A, f=120Hz, Vripple=0.5Vrms Dropout Voltage VD Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Quiescent Current (OFF Mode) 2005. 10. 21 Revision No : 0 IQ(OFF) , IO=5mA 0.02 0.05 45 60 - dB - - 0.5 V 2.0 - - V - - 200 A - - 0.8 V VC=0.4V - - 2.0 A IO=0A - 1 2 mA VC=0.4V, IO=0A - 0.5 5 A IO=2A VC=2.7V - %/ 7/10 KIA278R015FP/PI~KIA278R050FP/PI 2005. 10. 21 Revision No : 0 8/10 Fig. 14 VIN - IBIAS (KIA278R018) INPUT VOLTAGE VIN (V) 2005. 10. 21 Revision No : 0 CIRCUIT OPERTING CURRENT IBIAS (mA) CIRCUIT OPERTING CURRENT IBIAS (mA) KIA278R015FP/PI~KIA278R050FP/PI Fig. 15 VIN - IBIAS (KIA278R025) INPUT VOLTAGE VIN (V) 9/10 KIA278R015FP/PI~KIA278R050FP/PI 2005. 10. 21 Revision No : 0 10/10