KIA278R000FP

SEMICONDUCTOR TECHNICAL DATA 2A ADJUSTABLE OUTPUT LOW DROP VOLTAGE REGULATOR WITH OUTPUT ON/OFF CONTROL FUNCTION. [Low Quiescent Current Type] KIA278R000FP/PI BIPOLAR LINEAR INTEGRATED CIRCUIT FEATURES 2.0A Output Low Drop 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 Function, ASO Proteection Functions. Low Quiescent Current (Output OFF mode) : 0.5 A(Typ.) Adjustable Output Voltage Type : VOUT=1.5~10V Low Voltage Operation : Vopr(min.)=2.35V. MAXIMUM RATINGS (Ta=25 CHARACTERISTIC Input Voltage ON/OFF Control Voltage Output Adjustment Terminal Voltage Output Current Power Dissipation 1 (No heatsink) Power Dissipation 2 (Infinite Heatsink) Junction Temperature Operating Temperature Storage Temperature PI ) SYMBOL VIN VC VADJ IOUT PD1 RATING 10 10 5 2.0 1.5 W 2.0 15 PD2 W 35 Tj Topr Tstg 150 -20 -30 80 125 UNIT V V V A FB PI FB 2006. 4. 6 Revision No : 1 1/5 KIA278R000FP/PI ELECTRICAL CHARACTERISTICS (Unless otherwise specified, VIN=5V, VO=3.3V, IO=1A, R1=1 , Tj=25 CHARACTERISTIC Input Voltage Output Voltage Reference Voltage Load Regulation Line Regulation Temperature Coefficient of Output Votage Ripple Rejection Dropout Voltage Output ON state for control Voltage Output ON state for control Current Output OFF state for control Voltage Output OFF state for control Current Quiescent Current Quiescent Current (OFF Mode) SYMBOL VIN VOUT Vref Reg Load Reg Line TCVO RR VD VC(ON) IC(ON) VC(OFF) IC(OFF) IQ IQ(OFF) VC=2.7V IO=0 VC=0.4V IO=0 VC=0.4V IO=5mA~2A VIN=VOUT+1 to 8.5V, IO=5mA Tj=0 125 , IO=5mA CONDITIONS MIN. 2.35 1.5 1.22 45 2.0 TYP. 1.25 0.2 0.2 1.0 60 1 0.1 MAX. 10 10 1.28 2.0 1.0 20 0.5 200 0.8 2.0 2 5 ) UNIT V V V % % % dB V V A V A mA A IOUT=0.3A, f=120Hz, Vripple=0.5Vrms, VIN=5V, VO=3V IO=2A BLOCK DIAGRAM PIN CONNECTION Item Pin No. 1 2 3 4 5 KIA278R000PI KIA278R000FP (TO-220IS-4) (D2PAK-5) VIN VOUT GND Adj VIN VOUT GND Adj VC 2006. 4. 6 Revision No : 1 2/5 KIA278R000FP/PI (1) VOUT = Vref (2) (1+R2/R1), (R1=1k , Vref=1.25V) Pin (VC) Terminal is only for KIA278R000FP (D2PAK-5) (1) ON/OFF Signal [ High : Output ON] [Low/Open : Output OFF] (2) VOUT = Vref (3) (1+R1/R2), (R1=1k , Vref=1.25V) Pin (VC) Terminal is only for KIA278R000FP (D2PAK-5) 2006. 4. 6 Revision No : 1 3/5 KIA278R000FP/PI 2006. 4. 6 Revision No : 1 4/5 KIA278R000FP/PI 2006. 4. 6 Revision No : 1 5/5