NJM2885 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2885 is low dropout voltage regulator designed for portable application. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2885DL1 FEATURES z High Ripple Rejection 75dB typ. (f=1kHz,Vo=3V Version) z Output Noise Voltage Vno=45 Vrms typ. z Output capacitor with 2.2 F ceramic capacitor (Vo2.7V) z Output Current Io(max.)=500mA z High Precision Output Vo 1.0% z Low Dropout Voltage 0.18V typ. (Io=300mA) z Internal Short Circuit Current Limit z Internal Thermal Overload Protection z Bipolar Technology z Package Outline TO-252-3 PIN CONFIGURATION 2 PIN FUNCTION 1.V IN 2.GND 3.V OUT 1 3 NJM2885DL1 BLOCK DIAGRAM V IN V OUT Thermal Protection Bandgap Reference GND NJM2885 OUTPUT VOLTAGE RANK LIST Device Name V Device Name V OUT OUT NJM2885DL1-15 1.5V NJM2885DL1-28 2.8V NJM2885DL1-18 1.8V NJM2885DL1-03 3.0V NJM2885DL1-19 1.9V NJM2885DL1-33 3.3V NJM2885DL1-21 2.1V NJM2885DL1-35 3.5V NJM2885DL1-25 2.5V NJM2885DL1-38 3.8V NJM2885DL1-26 2.6V NJM2885DL1-05 5.0V ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT Input Voltage V +14 V IN 1190(*1) Power Dissipation P mW D 3125(*2) Operating Temperature Topr -40 +85 C Storage Temperature Tstg -40 +150 C 2 (*1): Mounted on glass epoxy board. (76.2 114.3 1.6mm:based on EIA/JDEC standard size, 2Layers, Cu area 100mm ) (*2): Mounted on glass epoxy board. (76.2 114.3 1.6mm:based on EIA/JDEC standard, 4Layers) (For 4Layers: Applying 74.2 74.2mm inner Cu area and a thermal via hole to a board based on JEDEC standard JESD51-5) Operating Voltage V =+2.3V +14.0V (In case of Vo<2.1V) IN ELECTRICAL CHARACTERISTICS (V =Vo+1V, C =0.33 F, Co=2.2F,(1.7V<Vo2.6V: Co=4.7 F, Vo1.7V:Co=10 F), Ta=25C) IN IN PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Output Voltage Vo Io=30mA -1.0% +1.0% V Quiescent Current I Io=0mA 200 300 A Q Output Current Io Vo-0.3V 500 650 - mA Line Regulation Vo/ V V =Vo+1V Vo+6.0V, Io=30mA 0.10 %/V IN IN Load Regulation 0.03 %/mA Vo/ Io Io=0 500mA Dropout Voltage(*3) V Io=300mA 0.18 0.28 V I O ein=200mVrms,f=1kHz, Io=10mA Ripple Rejection RR 75 dB Vo=3.0V Version Average Temperature Vo/ Ta Ta=085C, Io=10mA 50 ppm/ C Coefficient of Output Voltage f=10Hz 80kHz, Io=10mA, Output Noise Voltage V 45 Vrms NO Vo=3.0V Version (*3): The output voltage excludes under 2.1V. The above specification is a common specification for all output voltages. Therefore, it may be different from the individual specification for a specific output voltage.