NJM2871/A, NJM2872/A LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2871/A, NJM2872/A are low dropout voltage regulators designed for cellular phone application. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2871F/AF NJM2872F/AF FEATURES High Ripple Rejection 70dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=30 Vrms typ.(Cp=0.01 F) Output capacitor with 1.0uF ceramic capacitor (Vo2.7V) Output Current Io(max.)=150mA High Precision Output Vo2% Vo1%:A Version Low Dropout Voltage 0.10V typ. (Io=60mA) ON/OFF Control (Active High) Operating Voltage Range +2.5V+14V (Vo2.0V version) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SOT-23-5 PIN CONFIGURATION PIN FUNCTION PIN FUNCTION 55 44 55 44 1. CONTROL (Active High) 1.V IN 2. GND 2.GND 3. NOISE BYPASS 3.CONTROL (Active High) 4. V 4.NOISE BYPASS OUT 123123 1212 33 5. V 5.V IN OUT NJM2871F/AF NJM2872F/AF EQUIVALENT CIRCUIT V V IN OUT Cont Thermal Protection Noise Bandgap Bypass Reference GND Ver.2007-01-06 -1- NJM2871/A, NJM2872/A ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER SYMBOL RATINGS UNIT Input Voltage V +14 V IN Control Voltage V +14(*1) V CONT 350(*2) Power Dissipation P SOT-23-5 mW D 200(*3) 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. (*2): Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers) (*3): Device itself. Operating voltage V =+2.5 +14V (In case of Vo<2.1V version) IN ELECTRICAL CHARACTERISTICS (Vo>2.0V version : V =Vo+1V, C =0.1 F, Co=1.0 F: Vo2.7V (Co=2.2 F: Vo2.6V), Cp=0.01 F, Ta=25C) IN IN PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Io=30mA -2% +2% V Output Voltage Vo Io=30mA, A Version -1% +1% V Quiescent Current Io=0mA, expect Icont I 120 180 A Q Quiescent Current I V =0V 100 nA Q(OFF) CONT at Control OFF Output Current Io 150 200 - mA Vo0.3V Line Regulation Vo/ V V =Vo+1V Vo+6V, Io=30mA 0.10 %/V IN IN Load Regulation 0.03 %/mA Vo/Io Io=0 100mA Dropout Voltage Io=60mA V 0.10 0.18 V IO ein=200mVrms,f=1kHz, Io=10mA Ripple Rejection RR 70 dB Vo=3V Version Average Temperature Ta=085C, Io=10mA, 50 ppm/C Vo/ Ta Coefficient of Output Voltage Vo=3V Version f=10Hz80kHz, Io=10mA, Output Noise Voltage V 30 Vrms NO Vo=3V Version Control Voltage for ON-state V 1.6 V CONT(ON) Control Voltage for OFF-state V 0.6 V CONT(OFF) Ver.2007-01-06 - 2 -