NJM2871B/72B Low Dropout Voltage Regulator GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2871B/72B are low dropout voltage regulator designed for cellular phone applications. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2871BF/72BF FEATURES High Ripple Rejection 75dB 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: Version) Output Current Io(max.)=150mA High Precision Output Vo 1.0% Low Dropout Voltage 0.10V typ. (Io=60mA) Input Voltage Range +2.3 +14V(Vo2.0V version) ON/OFF Control (Active High) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SOT-23-5 (MTP5) PIN CONFIGURATION 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 5. V 5. V IN OUT 1212 33 1212 33 NJM2871BF NJM2872BF EQUIVALENT CIRCUIT V V IN OUT Control Thermal Protection Bandgap Noise Reference Bypass GND Ver.2006-02-20 -1- NJM2871B/72B OUTPUT VOLTAGE RANK LIST Device Name V Device Name V Device Name V OUT OUT OUT NJM287*BF15 1.5V NJM287*BF26 2.6V NJM287*BF34 3.4V NJM287*BF18 1.8V NJM287*BF27 2.7V NJM287*BF35 3.5V NJM287*BF19 1.9V NJM287*BF28 2.8V NJM287*BF38 3.8V NJM287*BF02 2.0V NJM287*BF29 2.9V NJM287*BF04 4.0V NJM287*BF21 2.1V NJM287*BF03 3.0V NJM287*BF48 4.8V NJM287*BF23 2.3V NJM287*BF31 3.1V NJM287*BF05 5.0V NJM287*BF24 2.4V NJM287*BF32 3.2V NJM287*BF25 2.5V NJM287*BF33 3.3V 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 =+2.3 +14V (In case of Vo<2.1V version) IN ELECTRICAL CHARACTERISTICS (V =Vo+1V, C =0.1 F, Co=1.0 F: Vo2.7V (Co=2.2 F : 1.8V<Vo2.6V:, Co=4.7 F : Vo1.8V), Cp=0.01 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, except Icont 120 180 A Q Quiescent Current I V =0V 100 nA Q(OFF) CONT at Control OFF Output Current Io Vo-0.3V 150 200 mA Line Regulation Vo/ V V =Vo+1V Vo+6V, Io=30mA 0.10 %/V IN IN Load Regulation Vo/Io Io=0 100mA 0.03 %/mA Dropout Voltage (*4) V Io=60mA 0.10 0.18 V I O ein=200mVrms, f=1kHz, Io=10mA, Ripple Rejection RR 75 dB Vo=3V version Average Temperature Coefficient of Output Vo/Ta Ta=0 +85C, Io=10mA 50 ppm/C Voltage Output Noise Voltage V 30 NO1 f=10Hz80kHz, Io=10mA, Vo=3V Version Vrms Control Voltage for V 1.6 V CONT(ON) ON-state Control Voltage for V 0.6 V CONT(OFF) OFF-state (*4): 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. Ver.2006-02-20 - 2 -