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| NJU7771/72/73 LOW DROPOUT VOLTAGE REGULATOR s GENERAL DESCRIPTION NJU7771/72/73 is a low dropout voltage regulator designed for cellular phone application. Advanced CMOS technology achieves high ripple rejection and low quiescent current. s FEATURES qHigh Ripple Rejection 65dB typ. (f=1kHz) qLow quiescent Current Iq=18A qOutput capacitor with 1.0uF ceramic capacitor qOutput Current Io(max.)=150mA qHigh Precision Output Vo1.5% qLow Dropout Voltage 0.15V typ. (Io=100mA,Vo=3V) qON/OFF Control (Active High) qInternal Short Circuit Current Limit qInternal Thermal Overload Protection qCMOS Technology qPackage Outline MTP5 (2.8x2.9x1.1mm) s PIN CONFIGURATION 1 2 3 4 5 PRELIMINARY s PACKAGE OUTLINE NJU7771F/72F/73F PIN FUNCTION 1.CONTROL 2.GND 3.NC 4.VOUT 5.VIN NJU7771F 1.VIN 2.GND 3.CONTROL 4.NC 5.VOUT NJU7772F 1.VOUT 2.GND 3.VIN 4.CONTROL 5.NC NJU7773F s EQUIVALENT CIRCUIT VIN Thermal Protection VOUT CONT Output Control Vref Current Limit GND s OUTPUT VOLTAGE RANK LIST Device Name VOUT 2.1V NJU777xF21 2.7V NJU777xF27 2.8V NJU777xF28 3.0V NJU777xF03 5.0V NJU777xF05 Ver.2003-03-11 -1- NJU7771/72/73 s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg (Ta=25C) RATINGS UNIT +10 V +10(note 1) V 200 mW -40 +85 C -40 +125 C (note 1) When input voltage is less than +10V, the absolute maximum control voltage is equal to the input voltage. s ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1F, Co=1.0F, Ta=25C) PARAMETER SYMBOL TEST CONDITION Io=30mA Output Voltage Vo VIN Io=0mA, VCONT=VIN Quiescent Current IQ Quiescent Current VCONT=0V IQ(OFF) at Control OFF Vo-0.3V Output Current Io Vo=0V Short Current Limit ILIM Line Regulation Load Regulation Dropout Voltage Vo/VIN Vo/Io VI-O VIN=Vo+1VVo+6V (Vo<3.0V) VIN=Vo+1V9.0V (Vo3.0V), Io=30mA Io=0100mA Io=100mA, 2.1VVo2.4V Io=100mA, 2.5VVo2.7V Io=100mA, 2.8VVo3.3V Io=100mA, 3.4VVo5.0V ein=200mVrms, f=1kHz, Io=10mA, Vo=3V version Ta=0+85C, Io=10mA f=10Hz80kHz, Io=0mA, Vo=3V version f=10Hz80kHz, Io=10mA, Vo=3V version PRELIMINARY MIN. -1.5% - - 150 - - - - - - - - - - - 2.0 1.6 TYP. - - 18 0.1 - 50 - - 0.2 0.18 0.15 0.12 65 100 40 70 5 - MAX. +1.5% 9 35 1 - - 0.20 0.03 0.3 0.28 0.25 0.22 - - - - 10 - 0.3 UNIT V V A A mA mA %/V %/mA V V V V dB ppm/C Vrms Vrms M V V Ripple Rejection Average Temperature Coefficient of Output Voltage Output Noise Voltage RR Vo/Ta VNO1 VNO2 RCONT Pull-down Resistance Control Voltage for VCONT(ON) ON-state Control Voltage for - - VCONT(OFF) 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. -2- Ver.2003-03-11 NJU7771/72/73 PRELIMINARY s TEST CIRCUIT A VIN IIN VIN VOUT IOUT 0.1uF 1.0uF (ceramic) ICONT CONTROL GND V VOUT A V VCONT Ver.2003-03-11 -3- NJU7771/72/73 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. -4- Ver.2003-03-11 |
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