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| SEMICONDUCTOR TECHNICAL DATA 4 TERMINAL 3A OUTPUT LOW DROP VOLTAGE REGULATOR KIA378R25PI~KIA378R37PI BIPOLAR LINEAR INTEGRATED CIRCUIT A C The KIA378R Series are Low Drop Voltage Regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 terminal lead full molded PKG. The Regulator has multi function such as over current protection, overheat protection and ON/OFF control. FEATURES 3.0A Output Low Drop Voltage Regulator. Built in ON/OFF Control Terminal. Built in Over Current Protection, Over Heat Protection Function. O E L V T V S L K U R H D DIM MILLIMETERS _ A 10.00 + 0.20 _ 15.00 + 0.20 B _ C 2.70 + 0.20 _ D 0.60 + 0.10 _ E 3.20 + 0.20 _ 3.50 + 0.10 F _ 15.70 + 0.20 G _ H 0.40 + 0.10 14.3+0.2/-0.1 J _ 1.45 + 0.10 K _ L 1.00 + 0.10 2.54 M _ N 4.50 + 0.20 _ O 7.5+ 0.1 _ 1.50 + 0.10 P R S T U V 5 8 _ 1.30 + 0.1 _ 3-1.00 + 0.1 _ 1.30 + 0.1 B J M N G F P 1 2 3 4 LINE UP ITEM * KIA378R25PI * KIA378R30PI * KIA378R33PI * KIA378R35PI * KIA378R37PI * Note) * : Under Development. OUTPUT VOLTAGE (Typ.) 2.5 3.0 3.3 3.5 3.7 V UNIT 1 2 3 4 DC INPUT (V IN ) DC OUTPUT (VO ) GND ON/OFF CONTROL TO-220IS-4 MAXIMUM RATING (Ta=25 CHARACTERISTIC Input Voltage ON/OFF Control Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Storage Temperature Soldering Temperature (10sec) ) SYMBOL VIN VC IO Pd1 Pd2 Tj Topr Tstg Tsol RATING 15 15 3 1.5 15 125 -20 -30 80 125 UNIT V V A W W Remark No heatsink with heatsink - 260 2001. 6. 28 Revision No : 1 1/5 KIA378R25PI~KIA378R37PI ELECTRICAL CHARACTERISTICS (Ta=25 ) (Unless otherwise specified, IO=1.0A, Ta=25 CHARACTERISTIC KIA378R25 KIA378R30 Output Voltage KIA378R33 KIA378R35 KIA378R37 Load Regulation Line Regulation Temperature Coefficient of Output Voltage Ripple Rejection Drop Out 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 Note1) VIN of KIA378R25=4.2V " KIA378R30=4.7V " KIA378R33=5.0V " KIA378R35=5.2V " KIA378R37=5.4V Reg Load Reg Line TCVO R R IO=3A VC=2.7V VC=0.4V IO=0 10V Note3) At VIN=0.95VO 10V 10V 10V 10V VD VC(ON) IC(ON) VC(OFF) IC(OFF) IQ Note2) VIN of KIA378R25=3.2 " KIA378R30=3.7 " KIA378R33=4.0 " KIA378R35=4.2 " KIA378R37=4.4 IO=5mA 3A (Note 2) Tj=0 125 VO , Note1.) SYMBOL CONDITIONS MIN. 2.438 2.925 3.220 3.413 3.608 45 2.0 TYP. 2.50 3.00 3.30 3.50 3.70 0.1 0.5 0.02 55 MAX. 2.562 3.075 3.380 3.587 3.792 2.0 2.5 0.05 0.5 20 0.8 -0.4 10 % % %/ dB V V A V mA mA V UNIT BLOCK DIAGRAM VIN 1 2 Vo + BANDGAP REFERENCE ASO PROTECTION 4 Control OUTPUT ON/OFF CONTROL OVER HEAT PROTECTION 3 GND 2001. 6. 28 Revision No : 1 2/5 KIA378R25PI~KIA378R37PI Fig. 1 Standard Test Circuit V IN 47F 1 KIA378RXXPI 4 3 0.33F A Iq 2 Vc A A RL Io Vo V Ic Fig. 1-2 Ripple Rejection Test Circuit 1 KIA378RXXPI ei 3 2 4 RL V eo 47F V IN 0.33F f=120Hz(sine wave) ei=0.5Vrms RR=20log(ei/eo) Fig. 2 Application Circuit for Standard V IN Vo 1 2 Specific IC 3 4 ON/OFF signal CMOS or TTL Co High or Open:Output ON :Output OFF Low 2001. 6. 28 Revision No : 1 Load 3/5 KIA378R25PI~KIA378R37PI Fig.3 Ta - PD POWER DISSIPATION PD (W) P D1:No heat sink p D 2:With infinite heat sink PD 2 Fig.4 I O - VO RELATIVE OUTPUT VOLTAGE (%) 100 80 60 40 20 0 20 15 10 5 P D1 0 -25 0 50 100 150 0 1 2 3 4 5 6 7 AMBIENT TEMPERATURE Ta ( C) Note) Oblique line portion : Overheat protection may operate in this area. OUTPUT CURRENT I O (A) Fig.5-1 T j Vo (mV) 150 100 50 0 -50 -100 -25 VIN =4.2V I O =1.5A Vo (KIA378R25) Vo (mV) 150 100 50 0 Fig.5-2 T j - Vo (KIA378R30) VIN =4.7V IO =1.5A OUTPUT VOLTAGE DEVIATION OUTPUT VOLTAGE DEVIATION -50 -100 -25 0 25 50 75 100 125 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) JUNCTION TEMPERATURE T j ( C) Fig.5-3 T j Vo (mV) 150 100 50 0 -50 -100 -25 Vo (KIA378R33) Vo (mV) 150 100 50 0 Fig.5-4 T j - Vo (KIA378R35) VIN =5.0V I O =1.5A VIN =5.2V IO =1.5A OUTPUT VOLTAGE DEVIATION OUTPUT VOLTAGE DEVIATION -50 -100 -25 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) 2001. 6. 28 Revision No : 1 4/5 KIA378R25PI~KIA378R37PI Fig.5-1 T j OUTPUT VOLTAGE DEVIATION Vo (mV) 150 100 50 0 -50 -100 -25 VIN =5.4V I O =1.5A Vo (KIA378R37) 0.5 DROPOUT VOLTAGE VD (V) 0.4 0.3 0.2 0.1 0 Fig.6 T j - VD I O =3A I O=2A I O=1A I O =0.5A 0 25 50 75 100 125 -25 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) JUNCTION TEMPERATURE T j ( C) Fig.7 T j - I q 10 QUIESCENT CURRENT I q (mA) 8 6 4 2 80 RIPPLE REJECTION RR (dB) V IN =35V IO =0 Fig.8-1 f - RR 70 60 50 40 30 20 10 0 0.1 IO =0.5A,ei=0.5V rms VIN =4.2V(KIA378R25) VIN =4.7V(KIA378R30) VIN =5.0V(KIA378R33) VIN =5.2V(KIA378R35) VIN =5.4V(KIA378R37) 0 -25 0 25 50 75 100 125 1 10 100 JUNCTION TEMPERATURE Tj ( C) INPUT RIPPLE FREQUENCY f (kHz) Fig.8-2 I O - RR 70 RIPPLE REJECTION RR (dB) 60 50 40 30 20 0.1 f=120Hz,ei=0.5Vrms C ref =3.3F VIN =7V(KIA378R25) VIN =10V(KIA378R30) VIN =15V(KIA378R33) VIN =18V(KIA378R35) VIN =21V(KIA378R37) 0.5 OUTPUT CURRENT I O (A) 1.0 2001. 6. 28 Revision No : 1 5/5 |
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