NJM2880

NJM2880 LOW DROPOUT VOLTAGE REGULATOR I GENERAL DESCRIPTION The NJM2880 is a low dropout voltage regulator. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. I FEATURES GHigh Ripple Rejection 70dB typ. (f=1kHz) GOutput Noise Voltage Vno=30uVrms (Cp=0.01uF) GOutput capacitor with 1.0uF ceramic capacitor GOutput Current Io(max.)=300mA GHigh Precision Output Vo±1.0% GLow Dropout Voltage 0.10V typ. (Io=100mA) GON/OFF Control (Active High) GInternal Short Circuit Current Limit GInternal Thermal Overload Protection GBipolar Technology GPackage Outline SOT-89(5pin) I PIN CONFIGURATION PIN FUNCTION 1.CONTROL (Active High) 2.GND 3.NOISE BYPASS 4.VOUT 5.VIN I PACKAGE OUTLINE NJM2880U NJM2880U I EQUIVALENT CIRCUIT VIN Cont VOUT Thermal Protection Noise Bypass Bandgap Reference GND I OUTPUT VOLTAGE RANK LIST Device Name Vout Device Name NJM2880U21 2.1V NJM2880U33 NJM2880U25 2.5V NJM2880U38 NJM2880U26 2.6V NJM2880U05 NJM2880U27 NJM2880U28 NJM2880U285 NJM2880U03 2.7V 2.8V 2.85V 3.0V Vout 3.3V 3.8V 5.0V NJM2880 I ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg (Ta=25°C) RATINGS UNIT +14 V +14(note 1) V 350 mW -40 ∼ +85 °C -40 ∼ +125 °C (note 1) When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. I ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, Co=1.0uF: Vo≥2.7V (Co=2.2uF: Vo≤2.6V), Cp=0.01uF, Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. Output Voltage Vo Io=30mA -1.0% +1.0% Io=0mA, expect Icont Quiescent Current 120 180 IQ Quiescent Current VCONT=0V 100 IQ(OFF) at Control OFF Vo-0.3V Output Current Io 300 400 Line Regulation 0.10 ∆Vo/∆VIN VIN=Vo+1V ∼ Vo+6V, Io=30mA Load Regulation 0.03 ∆Vo/∆Io Io=0 ∼ 300mA Dropout Voltage Io=100mA 0.10 0.18 ∆VI-O ein=200mVrms,f=1kHz, Io=10mA Ripple Rejection RR 70 Vo=3V Version Average Temperature Coefficient of Output ∆Vo/∆Ta Ta=0∼85°C, Io=10mA ±50 Voltage f=10Hz∼80kHz, Io=10mA, Output Noise Voltage VNO 30 Vo=3V Version Control Voltage for 1.6 VCONT(ON) ON-state Control Voltage for VCONT(OFF) 0.6 OFF-state (note 2) 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. I TEST CIRCUIT UNIT V uA nA mA %/V %/mA V dB ppm/°C uVrms V V A VIN IIN VIN VOUT 1.0uF OR 2.2uF(Vo