SEMICONDUCTOR KIA78MR18PI~KIA78MR37PI TECHNICAL DATA BIPOLAR LINEAR INTEGRATED CIRCUIT 4 TERMINAL LOW DROP VOLTAGE REGULATOR The KIA78MR×× 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. C F A O G B E V V L U L K T S R J H FEATURES D ・0.5A Output Low Drop Voltage Regulator. ・Built in ON/OFF Control Terminal. DIM MILLIMETERS _ 0.20 A 10.00 + _ 0.20 15.00 + B _ 0.20 C 2.70 + _ 0.10 D 0.60 + _ 0.20 E Φ3.20 + _ 0.10 3.50 + F _ 0.20 15.70 + G _ 0.10 H 0.40 + 14.3+0.2/-0.1 J _ 0.10 1.45 + K _ 0.10 L 1.00 + 2.54 M _ 0.20 N 4.50 + _ 0.1 O 7.5+ _ 0.10 1.50 + P R S M T U V ・Built in Over Current Protection, Over Heat N Protection Function. 1 2 3 4 P 1 2 3 4 5 8 _ 0.1 1.30 + _ 0.1 3-1.00 + _ 0.1 1.30 + DC INPUT (V IN ) DC OUTPUT (VO ) GND ON/OFF CONTROL TO-220IS-4 LINE UP ITEM OUTPUT VOLTAGE (Typ.) * KIA78MR18PI 1.8 * KIA78MR25PI 2.5 * KIA78MR30PI 3.0 * KIA78MR33PI 3.3 * KIA78MR35PI 3.5 * KIA78MR37PI 3.7 UNIT V Note) * : Under development MAXIMUM RATING (Ta=25℃) CHARACTERISTIC SYMBOL RATING UNIT Remark Input Voltage VIN 35 V - ON/OFF Control Voltage VC 35 V - Output Current IO 0.5 A - Power Dissipation 1 Pd1 1.5 W No heatsink Power Dissipation 2 Pd2 15 W with heatsink Junction Temperature Tj 125 ℃ - Operating Temperature Topr -20~80 ℃ - Storage Temperature Tstg -30~125 ℃ - Soldering Temperature (10sec) Tsol 260 ℃ - 2002. 1. 9 Revision No : 0 1/5 KIA78MR18PI~KIA78MR37PI ELECTRICAL CHARACTERISTICS (Unless otherwise specified, IO=0.25A, Ta=25℃, Note1.) CHARACTERISTIC Output Voltage SYMBOL CONDITIONS MIN. TYP. MAX. KIA78MR18 - 1.764 1.80 1.836 KIA78MR25 - 2.438 2.50 2.562 - 2.925 3.00 3.075 - 3.220 3.30 3.380 KIA78MR35 - 3.413 3.50 3.587 KIA78MR37 - 3.608 3.70 3.792 KIA78MR30 VO KIA78MR33 UNIT V Load Regulation Reg Load IO=5mA~0.5A - 0.1 2.0 % Line Regulation Reg Line (Note 2) - 0.5 2.5 % Tj=0~125℃ - ±0.02 ±0.05 %/℃ 55 65 - dB - - 0.5 V 2.0 - - V - - 20 μA - - 0.8 V VC=0.4V - - -0.4 mA IO=0 - - 10 mA TCVO Temperature Coefficient of Output Voltage Ripple Rejection R・R Drop Out Voltage VD Output ON state for control Voltage VC(ON) Output ON state for control Current IC(ON) Output OFF state for control Voltage VC(OFF) Output OFF state for control Current IC(OFF) IQ Quiescent Current Note1) VIN of KIA78MR18=3.5V IO=0.5A (Note3) VC=2.7V - Note2) VIN of KIA78MR18=2.5~10V " KIA78MR25=4.2V " KIA78MR25=3.2~10V " KIA78MR30=4.7V " KIA78MR30=3.7~10V " KIA78MR33=5.0V " KIA78MR33=4.0~10V " KIA78MR35=5.2V " KIA78MR35=4.2~10V " KIA78MR37=5.4V " KIA78MR37=4.4~10V Note3) At VIN=0.95VO BLOCK DIAGRAM 2 Vo VIN 1 + BANDGAP REFERENCE 4 ASO PROTECTION OUTPUT ON/OFF CONTROL Control OVER HEAT PROTECTION 3 GND 2002. 1. 9 Revision No : 0 2/5 KIA78MR18PI~KIA78MR37PI Fig. 1 Standard Test Circuit V IN 1 Vo 2 KIA78MRXXPI 4 Vc 3 47µF A 0.33µF A Io A V RL Ic Iq Fig. 1-2 Ripple Rejection Test Circuit 1 2 KIA78MRXXPI 4 ei 3 RL 47µF V IN 0.33µF V eo f=120Hz(sine wave) ei=0.5Vrms RR=20log(ei/eo) Fig. 2 Application Circuit for Standard 1 2 Specific IC Vo Co Load V IN 3 4 ON/OFF signal High or Open:Output ON :Output OFF Low CMOS or TTL 2002. 1. 9 Revision No : 0 3/5 KIA78MR18PI~KIA78MR37PI POWER DISSIPATION PD (W) 20 Fig.4 Ta - P D P D1:No heat sink p D 2:With infinite heat sink PD 2 15 10 5 P D1 0 -25 0 50 100 150 RELATIVE OUTPUT VOLTAGE (%) Fig.3 I O - VO 100 80 60 40 20 0 0 0.25 AMBIENT TEMPERATURE Ta ( C) 0.50 0.75 1.0 OUTPUT CURRENT I O (A) Note) Oblique line portion : Overheat protection may operate in this area. 100 Fig.5-2 T j - Vo (KIA78MR25) Vo (mV) 150 Tj - VIN =4.2V I O =0.25A 50 0 -50 -100 -25 0 25 50 75 100 125 OUTPUT VOLTAGE DEVIATION OUTPUT VOLTAGE DEVIATION Vo (mV) Fig.5-1 150 100 0 -50 -100 -25 100 Vo (mV) VIN =5.0V I O =0.25A 0 -50 0 25 50 75 100 JUNCTION TEMPERATURE T j ( C) 2002. 1. 9 Revision No : 0 25 Fig.5-4 T j - Vo (KIA78MR33) 50 -100 -25 0 50 75 100 125 JUNCTION TEMPERATURE Tj ( C) 125 OUTPUT VOLTAGE DEVIATION Vo (mV) OUTPUT VOLTAGE DEVIATION 150 Tj - VIN =4.7V IO =0.25A 50 JUNCTION TEMPERATURE T j ( C) Fig.5-3 Vo (KIA78MR30) 150 100 Vo (KIA78MR35) VIN =5.2V IO =0.25A 50 0 -50 -100 -25 0 25 50 75 100 JUNCTION TEMPERATURE T j ( C) 4/5 Fig.5-5 Tj - Vo (KIA78MR37) Fig.6 250 150 100 50 0 -50 -100 -150 -200 -25 0 25 50 75 100 0.4 I O =0.5A 0.3 0.2 I O=0.25A 0.1 0 125 -25 JUNCTION TEMPERATURE T j ( C) Fig.7 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) Fig.8 f - RR T j - IQ 80 10 V IN =35V IO =0 8 RIPPLE REJECTION RR (dB) QUIESCENT CURRENT IQ (mA) T j - VD 0.5 V IN =5.4V IO =0.25A 200 DROPOUT VOLTAGE V D (V) OUTPUT VOLTAGE DEVIATION Vo (mV) KIA78MR18PI~KIA78MR37PI 6 4 2 0 -25 0 25 50 75 100 125 JUNCTION TEMPERATURE T j ( C) Fig.9 70 60 50 40 30 20 10 IO =0.25A,ei=0.5Vrms 0 0.1 1 10 100 INPUT RIPPLE FREQUENCY f (kHz) I O - RR RIPPLE REJECTION RR (dB) 80 70 60 50 40 f=120Hz,ei=0.5Vrms C ref =3.3µF 30 0 0.25 0.5 OUTPUT CURRENT I O (A) 2002. 1. 9 Revision No : 0 5/5