NJM2880 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2880 is a low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2880U/U1 FEATURES High Ripple Rejection 70dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=30Vrms typ.(Cp=0.01F) Output capacitor with 1.0F ceramic capacitor Output Current Io(max.)=300mA High Precision Output Vo1.0% Low Dropout Voltage 0.10V typ. (Io=100mA) ON/OFF Control (Active High) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SOT-89-5 PIN CONFIGURATION PIN FUNCTION 52 4 1.CONTROL (Active High) 2.GND 3.NOISE BYPASS 4.V OUT 5.V IN 12 3 NJM2880U/U1 EQUIVALENT CIRCUIT V V IN OUT Cont Thermal Protection Noise Bandgap Bypass Reference GND NJM2880 OUTPUT VOLTAGE RANK LIST Device Name Vout Device Name Vout Device Name Vout NJM2880U/U1-15 1.5V NJM2880U/U1-28 2.8V NJM2880U/U1-44 4.4V NJM2880U/U1-16 1.6V NJM2880U/U1-285 2.85V NJM2880U/U1-45 4.5V NJM2880U/U1-18 1.8V NJM2880U/U1-03 3.0V NJM2880U/U1-48 4.8V NJM2880U/U1-21 2.1V NJM2880U/U1-32 3.2V NJM2880U/U1-05 5.0V NJM2880U/U1-25 2.5V NJM2880U/U1-33 3.3V NJM2880U/U1-26 2.6V NJM2880U/U1-38 3.8V NJM2880U/U1-27 2.7V NJM2880U/U1-04 4.0V ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT Input Voltage V +14 V IN Control Voltage V +14(*1) V CONT Power Dissipation P 350 mW D Operating Temperature Topr -40 +85 C Storage Temperature Tstg -40 +125 C (*1) When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. Operating voltage V =+2.3 +14V (In case of Vo<2.1V version) IN ELECTRICAL CHARACTERISTICS (Vo>2.0V version: V =Vo+1V, Co=0.1F: Vo2.7V (Co=2.2F: Vo2.6V), Cp=0.01F, Ta=25C) IN PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Output Voltage Vo Io=30mA -1.0% - +1.0% V Quiescent Current I Io=0mA, expect Icont - 120 180 A Q Quiescent Current I V=0V - - 100 nA Q(OFF) CONT at Control OFF Vo-0.3V Output Current Io 300 400 - mA Line Regulation Vo/ V V =Vo+1V Vo+6V, Io=30mA - - 0.10%/V IN IN Load Regulation Vo/Io Io=0 300mA - - 0.03%/mA Dropout Voltage Io=100mA - 0.10 0.18 V V - I O ein=200mVrms,f=1kHz, Io=10mA Ripple Rejection RR - 70 - dB Vo=3V Version Average Temperature Coefficient of Output - - Vo/Ta Ta=085C, Io=10mA 50 ppm/C Voltage f=10Hz80kHz, Io=10mA, Output Noise Voltage V - 30 - Vrms NO Vo=3V Version Control Voltage for V 1.6 - - V CONT(ON) ON-state Control Voltage for V - - 0.6 V CONT(OFF) OFF-state