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