KIA78R25F

SEMICONDUCTOR TECHNICAL DATA 5 TERMINAL LOW DROP VOLTAGE REGULATOR The KIA78R series are Low Drop Voltage Regulator suitable for various electronic equipments. It provides constant voltage power source with DPAK-5 terminal surface mount type PKG. The Regulator has multi function such as over current protection, overheat protection and ON/OFF control. KIA78R25F~KIA78R37F BIPOLAR LINEAR INTEGRATED CIRCUIT A C D I J DIM A B C D E F H I J L M N O P N FEATURES 1.0A Output Low Drop Voltage Regulator. Built in ON/OFF Control Terminal. Built in Over Current Protection, Over Heat Protection Function. H F P L 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 E M O 1 DC INPUT (VIN) 1 23 4 5 2 ON/OFF CONTROL (VC ) 3 DC OUTPUT (VO) 4 N.C 5 GND LINE UP ITEM KIA78R25F KIA78R30F KIA78R33F KIA78R35F KIA78R37F OUTPUT VOLTAGE (Typ.) 2.5 3.0 3.3 3.5 3.7 V UNIT DPAK-5 MAXIMUM RATINGS (Ta=25 CHARACTERISTIC Input Voltage ON/OFF Control Voltage Output Current Power Dissipation 1 Junction Temperature Operating Temperature Storage Temperature Soldering Temperature (10sec) ) SYMBOL VIN VC IO Pd Tj Topr Tstg Tsol RATING 35 35 1 8 125 -20 -30 80 125 UNIT V V A W REMARK Infinite heat sink - 260 2001. 5. 31 Revision No : 1 1/5 KIA78R25F~KIA78R37F ELECTRICAL CHARACTERISTICS (Unless otherwise specified, IO=0.5A, Ta=25 CHARACTERISTIC KIA78R25 KIA78R30 Output Voltage KIA78R33 KIA78R35 KIA78R37 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 KIA78R25=4.2V " " " " KIA78R30=4.7V KIA78R33=5.0V KIA78R35=5.2V KIA78R37=5.4V " " " " Reg Load Reg Line TCVO RR VD VC(ON) IC(ON) VC(OFF) IC(OFF) IQ VC=0.4V IO=0 10V 10V 10V 10V 10V VC=2.7V IO=1A IO=5mA (Note 2) Tj=0 125 1A VO , Note1.) SYMBOL CONDITIONS MIN. 2.438 2.925 3.220 3.413 3.608 45 2.0 Note3) At VIN=0.95VO 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 Note2) VIN of KIA78R25=3.2 KIA78R30=3.7 KIA78R33=4.0 KIA78R35=4.2 KIA78R37=4.4 BLOCK DIAGRAM VIN 1 3 Vo + BANDGAP REFERENCE ASO PROTECTION 2 Control OUTPUT ON/OFF CONTROL OVER HEAT PROTECTION 5 GND 2001. 5. 31 Revision No : 1 2/5 KIA78R25F~KIA78R37F Fig. 1 Standard Test Circuit V IN 47µF 1 KIA78RXXF 2 5 0.33µF 3 Vc A A RL Io Vo V Ic A Iq Fig. 1-2 Ripple Rejection Test Circuit 1 KIA78RXXF ei 5 3 2 47µF V IN 0.33µF RL V eo f=120Hz(sine wave) ei=0.5Vrms RR=20log(ei/eo) Fig. 2 Application Circuit for Standard V IN Vo 1 3 Specific IC 5 2 ON/OFF signal CMOS or TTL Co High or Open:Output ON :Output OFF Low 2001. 5. 31 Revision No : 1 Load 3/5 KIA78R25F~KIA78R37F Fig.3 Ta - PD POWER DISSIPATION PD (W) PD :With infinite heat sink PD Fig.4 I O - VO RELATIVE OUTPUT VOLTAGE (%) 100 80 60 40 20 0 10 8 5 0 -20 0 50 80 100 150 0 0.5 1.0 1.5 2.0 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 =0.5A Vo (KIA78R25) Vo (mV) 150 100 50 0 Fig.5-2 T j - Vo (KIA78R30) VIN =4.7V IO =0.5A 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) 200 150 100 50 0 -50 -100 -150 -25 0 25 VIN =5.0V I O =0.5A Vo (KIA78R33) Vo (mV) 200 150 100 50 0 -50 -100 -150 -25 Fig.5-4 T j - Vo (KIA78R35) VIN =5.2V I O=0.5A OUTPUT VOLTAGE DEVIATION OUTPUT VOLTAGE DEVIATION 50 75 100 125 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) JUNCTION TEMPERATURE T j ( C) 2001. 5. 31 Revision No : 1 4/5 KIA78R25F~KIA78R37F Fig.5-5 T j - Vo (KIA78R37) OUTPUT VOLTAGE DEVIATION Vo (mV) 250 DROPOUT VOLTAGE VD (V) 200 150 100 50 0 -50 -100 -150 -200 -25 0 25 50 75 100 125 V IN =5.4V IO =0.5A Fig.6 T j - VD 0.5 0.4 0.3 0.2 0.1 0 -25 0 25 50 75 100 125 I O =1A I O=0.75A I O=0.5A I O =0.25A 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(KIA78R25) VIN =4.7V(KIA78R30) VIN =5.0V(KIA78R33) VIN =5.2V(KIA78R35) VIN =5.4V(KIA78R37) 0 -25 0 25 50 75 100 125 1 10 100 JUNCTION TEMPERATURE Tj ( C) INPUT RIPPLE FREQUENCY f (kHz) Fig.10-2 I O - RR 70 RIPPLE REJECTION RR (dB) 60 50 40 30 20 0.1 f=120Hz,ei=0.5Vrms C ref =3.3µF VIN =4.2V(KIA78R25) VIN =4.7V(KIA78R30) VIN =5.0V(KIA78R33) VIN =5.2V(KIA78R35) VIN =5.4V(KIA78R37) 0.5 OUTPUT CURRENT I O (A) 1.0 2001. 5. 31 Revision No : 1 5/5