KIA78R25API

SEMICONDUCTOR TECHNICAL DATA 4 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 TO-220 4 terminal lead full molded PKG. The Regulator has multi function such as over current protection, overheat protection and ON/OFF control. KIA78R25API~KIA78R37API BIPOLAR LINEAR INTEGRATED CIRCUIT A C O E L U V V T S L K H R FEATURES 1.0A Output Low Drop Voltage Regulator. Built in ON/OFF Control Terminal. Built in Over Current Protection, Over Heat Protection Function. P 1 2 3 4 M D DIM MILLIMETERS _ A 10.00 + 0.20 _ 15.00 + 0.20 B _ C 2.70 + 0.20 _ D 0.60 + 0.10 _ E Φ3.20 + 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 N G F 1 2 3 4 DC INPUT (V IN ) DC OUTPUT (VO ) GND ON/OFF CONTROL LINE UP ITEM * KIA78R25API * KIA78R30API KIA78R33API * KIA78R35API * KIA78R37API Note) * : Under development OUTPUT VOLTAGE (Typ.) 2.5 3.0 3.3 3.5 3.7 V UNIT 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 1 1.5 15 125 -20 80 -30 125 260 UNIT V V A W W Remark No heatsink with heatsink - 2002. 10. 4 Revision No : 3 1/5 KIA78R25API~KIA78R37API 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 R R IO=1A VC=2.7V VC=0.4V IO=0 10V 10V 10V 10V 10V Note3) At VIN=0.95VO VD VC(ON) IC(ON) VC(OFF) IC(OFF) IQ Note2) VIN of KIA78R25=3.2 " " " " KIA78R30=3.7 KIA78R33=4.0 KIA78R35=4.2 KIA78R37=4.4 IO=5mA 1A (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 2002. 10. 4 Revision No : 3 2/5 KIA78R25API~KIA78R37API Fig. 1 Standard Test Circuit VIN Vo 1 KIA78RXXAPI 4 3 0.33µF A Iq A 47µF Ic RL 2 Vc A Io V Fig. 1-2 Ripple Rejection Test Circuit 1 KIA78RXXAPI ei 3 2 4 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 2 Specific IC 3 4 ON/OFF signal CMOS or TTL Co High or Open : Output ON : Output OFF Low 2002. 10. 4 Revision No : 3 Load 3/5 KIA78R25API~KIA78R37API Fig.3 Ta - PD POWER DISSIPATION PD (W) P D1:No heat sink p D 2:With infinite heat sink Fig.4 RELATIVE OUTPUT VOLTAGE (%) 100 80 60 40 20 0 0 0.5 I O - VO 20 PD 2 15 10 5 P D1 0 -25 0 50 100 150 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 (KIA78R25) OUTPUT VOLTAGE DEVIATION Vo (mV) OUTPUT VOLTAGE DEVIATION Vo (mV) 150 100 50 0 -50 -100 -25 VIN =4.2V I O =0.5A Fig.5-2 T j 150 100 50 0 VIN =4.7V IO =0.5A Vo (KIA78R30) -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 (KIA78R33) Vo (mV) Vo (mV) 150 100 50 0 -50 -100 -25 150 100 50 0 Fig.5-4 T j - Vo (KIA78R35) VIN =5.0V I O =0.5A VIN =5.2V IO =0.5A OUTPUT VOLTAGE DEVIATION OUTPUT VOLTAGE DEVIATION -50 -100 -25 0 25 50 75 100 125 0 25 50 75 100 JUNCTION TEMPERATURE T j ( C) JUNCTION TEMPERATURE T j ( C) 2002. 10. 4 Revision No : 3 4/5 KIA78R25API~KIA78R37API Fig.5-5 T j - Vo (KIA78R37) Vo (mV) 250 200 150 100 50 0 -50 -100 -150 -200 -25 0 25 50 75 100 125 DROPOUT VOLTAGE VD (V) V IN =5.4V IO =0.5A Fig.6 T j - VD 0.5 0.4 0.3 0.2 I O=0.5A I O =1A I O=0.75A OUTPUT VOLTAGE DEVIATION 0.1 0 -25 0 25 50 I O =0.25A 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) RIPPLE REJECTION RR (dB) 8 6 4 2 V IN =35V IO =0 Fig.8-1 f - RR 80 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 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) 30 20 0.1 0.5 OUTPUT CURRENT I O (A) 1.0 2002. 10. 4 Revision No : 3 5/5