NJM2870 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION PACKAGE OUTLINE The NJM2870 is low dropout voltage regulator designed for cellular phone application. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. NJM2870F FEATURES High Ripple Rejection 56dB RR (DC < f < 60kHz) 66dB typ. (f=100Hz) 60dB typ. (f=1kHz) Output Noise Voltage Vno=30 V typ.(Cp=0.01 F) Output Current Io(max.)=150mA High Precision Output Vo2% Low Dropout Voltage V - =0.12V typ. (Io=60mA, Vo1.8V) I OInput Voltage range +2+14V (Vo=1.5V Version) ON/OFF Control (Active High) Output capacitor with 4.7uF ceramic capacitor Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SOT-23-5 PIN CONFIGURATION 5 4 PIN FUNCTION 1. CONTROL (Active High) 2. GND 3. NOISE BYPASS 1 2 3 4. V OUT 5. V IN NJM2870F EQUIVALENT CIRCUIT V V OUT IN Cont Thermal Protection Bandgap Noise Reference Bypass GND NJM2870 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. ELECTRICAL CHARACTERISTICS (V =Vo+1V, C =0.1 F, Co=4.7 F, Cp=0.01 F, Ta=25C) IN IN PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Output Voltage Vo Io=30mA +2% V 2% Quiescent Current Io=0mA, expect Icont I 200 300 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 Vo/ Io Io=0 100mA 0.03 %/mA Dropout Voltage Io=60mA 0.12 0.2 V V - I O Ripple Rejection ein=200mVrms,f=1kHz, Io=10mA RR 60 dB V =Vo+2V, Vo=3V Version IN Average Temperature Ta=085C, Io=10mA, Vo/ Ta 0.2 mV/C 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) 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. ELECTRICAL CHARACTERISTICS (Vo=1.5V Version, V =2.4V, C =0.1 F, Co=4.7 F, Cp=0.01 F, Ta=25C) IN IN PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX.UNIT Io=30mA Output Voltage Vo 2% +2% V Quiescent Current I Io=0mA, expect Icont 200 300 A Q Quiescent Current I V =0V 100 nA Q(OFF) CONT at Control OFF Output Current Io Vo0.3V 150 200 mA Line Regulation 0.10 %/V Vo/ V V =Vo+1V Vo+6V, Io=30mA IN IN Load Regulation Vo/ Io Io=0 100mA 0.03 %/mA Ripple Rejection ein=200mVrms,f=1kHz, Io=10mA RR 64 dB V =Vo+2V IN Average Temperature 0.13 Vo/ Ta Ta=085C, Io=10mA mV/C Coefficient of Output Voltage Output Noise Voltage V 15 f=10Hz80kHz, Io=10mA, Vrms NO Control Voltage for ON-state V 1.6 V CONT(ON) Control Voltage for OFF-state V 0.6 V CONT(OFF)