KIA33C18F

SEMICONDUCTOR TECHNICAL DATA 1A, 2-OUTPUT LOW DROP VOLTAGE REGULATOR The KIA33CXXF is a 2-output low drop voltage regulator able to provide up to 1A of output current. The regulator has multi function such as over current protection, overheat protection. KIA33C15F~KIA33C25F BIPOLAR LINEAR INTEGRATED CIRCUIT A C D I J FEATURES 1.0A Output Low Drop Voltage Regulator Output Voltage Accuracy : 2% Built -in Over Current Protection , Over Heat Protection Function Low Quiescent Current. : 1mA(Typ.) N E H F P L DIM A B C D E F H I J L M N O P MILLIMETERS _ 6.6 + 0.2 _ 6.1+ 0.2 _ 5.0 + 0.2 _ 1.10 + 0.2 _ 2.70 + 0.2 _ 1.27 + 0.1 0.5+0.2/-0.1 _ 2.30 + 0.2 _ 0.5 + 0.1 _ 0.50 + 0.1 _ 0.8 + 0.2 0 ~ 0.25 0.7MIN _ 1.00 + 0.1 B M O LINE UP ITEM * KIA33C15F * KIA33C18F KIA33C25F * :Under Development. OUTPUT VOLATGE (V) VOUT1 3.3 3.3 3.3 VOUT2 1.5 1.8 2.5 DPAK-5 PACKAGE 1 2 3 4 5 1 INPUT (VIN2) 2 INPUT (VIN1) 3 GND 4 OUTPUT (VOUT1) 5 OUTPUT (VOUT2) Heat Sink is Common to 3 (GND) DPAK-5 MAXIMUM RATINGS (Ta=25 CHARACTERISTIC Input Voltage Output Current Power Dissipation 1 Power Dissipation 2 ) SYMBOL VIN IOUT RATING 16 1 1.3 13 -40~125 -55~150 UNIT V A W W (No Heatsink) (Infinite Heatsink) PD1 PD2 Topr Tstg Operating Junction Temperature Storage Temperature ELECTRICAL CHARACTERISTICS (Unless otherwise specified, Tj=25 ) CHARACTERISTIC 3.3V Output Voltage 2.5V 1.8V 1.5V Line Regulation Load Regulation Quiescent Current Short Circuit Current Limit Ripple Rejection Dropout Voltage Reg Line Reg Load IB ISC R.R VD 4.1 0A VIN 16V, IOUT =10mA VOUT VIN=5V, IOUT=0.5A, 0A IOUT 1A SYMBOL TEST CONDITION MIN. 3.230 2.450 1.764 1.470 50 TYP. 3.300 2.50 1.800 1.500 5 25 1 1.7 MAX. 3.366 2550 1.836 1.530 30 75 1.5 0.5 A dB V V UNIT IOUT 1A, VIN=5V VIN=5V, IOUT=0A VIN=5V, RL=0.1 IOUT =200mA, f=120Hz, Vripple=1Vp-p VIN=5V IOUT =0.5A, VIN=0.95VOUT 2006. 4. 26 Revision No : 0 1/3 KIA33C15F~KIA33C25F BLOCK DIAGRAM VCC VIN1 2 + VCC Reference Voltage 4 VOUT1 Current Limit Sat Prevention VCC Reference Voltage Thermal Shut Down + VCC VIN2 1 5 VOUT2 Current Limit Sat Prevention 3 GND Fig.1 Application Circuit 2 VIN1 VOUT1 4 COUT 1 68µF/50V VIN (4V~16V) COUT 2 274 RL1 KIA33C25F CIN 0.33µF /50V 1 VIN2 GND VOUT2 5 COUT 3 68µF/50V COUT 4 274 RL2 3 Fig.2 Application Circuit VIN (4V~16V) CIN 0.33µF /50V 2 VIN1 RIN VOUT1 4 COUT 1 68µF/50V COUT 2 274 RL1 KIA33C25F 1 VIN2 GND VOUT2 5 COUT 3 68µF/50V COUT 4 274 RL2 3 * CIN : More than 0.33 Frequired if regulator is located an appreciable distance from power supply filter. You must use to prevent from the parasitic oscillation. *COUT : 68 You must use the low impedance-type(low ESR) capacitor. 2006. 4. 26 Revision No : 0 2/3 KIA33C15F~KIA33C25F Fig. 3 VOUT - VIN VOUT = 3.3V Fig. 4 Iq - VIN QUIESCENT CURRENT (mV) 3.0 2.5 VOUT1 = 3.3V 4.0 OUTPUT VOLTAGE VO (V) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 5 10 VOUT = 2.5V 2.0 1.5 1.0 0.5 0 0 VOUT2 = 2.5V 15 1 2 3 4 5 INPUT VOLTAGE VIN (V) VIN (V) Fig. 5 VD - IOUT RIPPLE REJECTION R.R (dB) DROPOUT VOLTAGE VD (V) 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 0 0.1 0.2 0.3 0.4 0.5 VOUT = 3.3V VOUT = 2.5V Fig. 6 R.R - f 80 70 60 50 40 30 20 10 0 0.1 1 10 100 VOUT2 = 2.5V VOUT1 = 3.3V IO (A) FREQUENCY f (KHz) Fig. 7 VOUT - IOUT 4.5 15 POWER DISSIPATION PD (W) 12 9 6 3 0 Fig. 8 PD - Ta THERMAL RESISTANCE J-A J-C 9.62 96.2 C/W OUTPUT VOLTAGE VOUT (V) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 VOUT1 = 3.3V Infinite Heatsink VOUT2 = 2.5V No Heatsink 0 50 100 150 OUTPUT CURRENT IOUT (A) AMBIENT TEMPERATURE Ta ( C) 2006. 4. 26 Revision No : 0 3/3