NJU7771/72/73/74/75/76 LOW DROPOUT VOLTAGE REGULATOR ! GENERAL DESCRIPTION NJU7771/72/73/74/75/76 is a low dropout voltage regulator designed for cellular phone application etc. Advanced CMOS technology achieves high ripple rejection and low quiescent current. When the ON/OFF control is used, NJU7774/75/76 has high transition response characteristics for shunt switch. ! PACKAGE OUTLINE ! FEATURES " High Ripple Rejection 65dB typ. (f=1kHz,Vo=3.0V version) " Low quiescent Current Iq=18µA (Io=0mA) " Output capacitor with 1.0µF ceramic capacitor (Vo≤2.0V version) " Output Current Io(max.)=150mA " High Precision Output Vo±1.0% " Low Dropout Voltage 0.15V typ. (Io=100mA,Vo=3.0V) " Input Voltage Range VIN=+2.3V∼14V(Vo≤2.0V version) " ON/OFF Control (Active High) " With Shunt Switch Only NJU7774/75/76 " Internal Short Circuit Current Limit " Internal Thermal Overload Protection " CMOS Technology " Package Outline SOT-23-5 (MTP5) ! PIN CONFIGURATION NJU777*F 5 4 1 2 3 PIN FUNCTION 1.CONTROL 2.GND 3.NC 4.VOUT 5.VIN NJU7771F NJU7774F 1.VIN 2.GND 3.CONTROL 4.NC 5.VOUT NJU7772F NJU7775F 1.VOUT 2.GND 3.VIN 4.CONTROL 5.NC NJU7773F NJU7776F ! EQUIVALENT CIRCUIT VDD CONTROL VOUT VDD Thermal Protection Output Control CONTROL Vref VOUT Output Control Current Limit Vref VSS Current Limit VSS NJM7771/72/73 ! OUTPUT VOLTAGE RANK LIST Device Name VOUT Device Name 1.5V NJU777×F15 NJU777×F27 2.1V NJU777×F21 NJU777×F28 2.2V NJU777×F22 NJU777×F03 2.3V NJU777×F23 NJU777×F33 2.5V NJU777×F25 NJU777×F35 Ver.2004-01-19 Thermal Protection NJM7774/75/76 VOUT 2.7V 2.8V 3.0V 3.3V 3.5V Device Name NJU777×F38 NJU777×F05 VOUT 3.8V 5.0V -1- NJU7771/72/73/74/75/76 ! ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr RATINGS +10 +10(*note 1) 200 −40 ∼ +85 (Ta=25°C) UNIT V V mW °C Storage Temperature Tstg −40 ∼ +125 °C OFF-state 10 mA IO Output Sink Current(*note2) (*note 1): When input voltage is less than +10V, the absolute maximum control voltage is equal to the input voltage. (*note 2): This maximum rating is applied to NJU7774/75/76. ! ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=1.0µF(Co=2.2µF: Vo≤2.0V), Ta=25°C) PARAMETER Output Voltage Input Voltage Quiescent Current Quiescent Current at Control OFF SYMBOL Vo VIN IQ 150 − − mA 30 50 110 mA − − 0.20 %/V − − − − − − 0.2 0.18 0.15 0.12 0.03 0.3 0.28 0.25 0.22 %/mA V V V V − 65 − dB − ±100 − ppm/°C − − 2.5 40 70 5 − − 10 µVrms µVrms MΩ VCONT(ON) 1.6 − − V VCONT(OFF) 0 − 0.3 V Line Regulation ∆ Vo/∆ VIN Load Regulation ∆ Vo/∆ Io Pull-down Resistance Control Voltage for ON-state Control Voltage for OFF-state UNIT V V µA µA ILIM Output Noise Voltage MAX. +1.0% − Vo+1V 9 18 35 1 Short Current Limit Average Temperature Coefficient of Output Voltage Io=0mA, VCONT=VIN TYP. 0.1 Io Ripple Rejection Io=30mA MIN. -1.0% 2 − − IQ(OFF) Output Current Dropout Voltage(*note 3) TEST CONDITION ∆ VI-O RR ∆ Vo/∆ Ta VNO1 VNO2 RCONT VCONT=0V Vo-0.1V (Vo≤2.0V) Vo-0.3V (Vo≥2.1V) Vo=0V VIN=Vo+1V ∼ Vo+6.0V (Vo<3.0V) VIN=Vo+1V ∼ 9.0V (Vo≥3.0V), Io=30mA Io=0 ∼ 100mA Io=100mA, 2.1V≤Vo≤2.4V Io=100mA, 2.5V≤Vo≤2.7V Io=100mA, 2.8V≤Vo≤3.3V Io=100mA, 3.4V≤Vo≤5.0V ein=200mVrms,f=1kHz,Io=10mA, Vo=3.0V Version Ta=0 ∼ 85°C, Io=10mA f=10Hz ∼ 80kHz,Io=0mA,Vo=3.0V Version f=10Hz ∼ 80kHz,Io=10mA,Vo=3.0V Version (*note 3): Except output voltage less than 2.1V. (*note 4): 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.2004-01-19 NJU7771/72/73/74/75/76 ! TEST CIRCUIT A IIN VIN VOUT CO CIN VIN 0.1µF A ICONT NJU777* IOUT V VOUT 1.0µF(*1) (ceramic capacitor) CONTROL GND V VCONT (*1) Vo≤2.0V version: Co=2.2µF(ceramic) ! POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU777*F (Topr= -40~+85°C,Tj=125°C,PD=200mW(Ta≤25°C)) Power Dissipation PD(mW) 500 400 On glass epoxy board. (30×30×1.6mm) 300 MTP5 200 100 0 -50 -25 0 25 50 75 100 Ambient Temperature Ta(°C) Ver.2004-01-19 -3- NJU7771/72/73/74/75/76 ! TYPICAL APPLICATION 1 In case that ON/OFF Control is not required: VIN VIN 0.1µF VOUT VOUT 1.0µF (*1) NJU777* (ceramic capacitor) CONTROL GND (*1) Vo≤2.0V version: Co=2.2µF(ceramic) Connect control terminal to VIN terminal. 2 In use of ON/OFF Control VIN VIN VOUT NJU777* 0.1µF VOUT 1.0µF (*1) (ceramic capacitor) CONTROL GND (*1) Vo≤2.0V version: Co=2.2µF(ceramic) State of control terminal: ● “H” → output is enabled. ● “L” or “open” → output is disabled. -4- Ver.2004-01-19 NJU7771/72/73/74/75/76 ! ELECTRICAL CHARACTERISTICS NJU7771_3.0V Dropout Voltage Characteristics 3.2 NJU7771_3.0V Over Current Protection Characteristics 3.5 o @:Ta=25 C Co=1.0uF (Ceramic) 3 3.1 Output Voltage: Vo(V) Output Voltage: Vo(V) 2.5 Io=0A 3 2.9 Io=30mA 2 1.5 1 2.8 0.5 Io=100mA o @:Ta=25 C 2.7 2.7 2.8 2.9 3 3.1 3.2 3.3 0 3.4 0 50 100 NJU7771_3.0V Circuit operating current vs.Output current 250 300 o @:Ta=25o C VIN=4.0V Co=1.0uF(Ceramic) @:Ta=25 C Co=1.0uF (Ceramic) 0.25 80 Dropout Voltage: dVI-O (V) Circuit operating current: IGND (uA) 200 NJU7771_3.0V Dropout Voltage vs.Output Current 0.3 100 150 Output Current: Io(mA) Input Voltage: VIN (V) 60 40 20 0.2 0.15 0.1 0.05 0 0 0 50 100 150 200 0 50 100 150 Output Current: Io(mA) Output current: IO(mA) NJU7771_3.0V Output Voltage vs.Control Voltage 6 Output Voltage: Vo(V) 5 4 3 2 o @:Ta=25 C VIN=4.0V Co=1.0uF(Ceramic) Io=30mA 1 0 0 0.5 1 1.5 2 2.5 3 Control Voltage: Vcont(V) Ver.2004-01-19 -5- NJU7771/72/73/74/75/76 ! ELECTRICAL CHARACTERISTICS NJU7771_3.0V Ripple rejection ratio vs.Output current NJU7771_3.0V Output noise voltage vs.Output current 120 80 @:Ta=25 oC VIN=4.0V LPF:80kHz f=1kHz 70 Ripple rejection ratio: RR (dB) Output noise voltage: Vn(uVrms) 100 Co=1.0uF(Ceramic) 80 60 Co=2.2uF(Ceramic) 40 60 50 40 f=10kHz 30 20 20 10 0 0.001 0.01 0.1 1 10 100 Output current: Io(mA) 0 0.001 o @:Ta=25 C VIN=4.0V ein=200mVrms Co=1.0uF(Ceramic) 0.01 0.1 1 10 100 Output current: Io(A) NJU7771_3.0V Stability Operating Area Characteristics 100 Equivalent sereis resistance: ESR(Ω ) @:Ta=25 oC Co=1.0uF(Ceramic) Cin=0.1uF 10 1 Oscillation Free 0.1 0.01 1u 10u 100u 1m 10m 100m Output current: Io(A) -6- Ver.2004-01-19 NJU7771/72/73/74/75/76 ! ELECTRICAL CHARACTERISTICS NJU7771_3.0V Control voltage(ON state) vs.Ambient temperature NJU7771_3.0V Dropout voltage vs.Ambient temperature 0.3 2 1.5 @: Io=100mA Co=1.0uF(Ceramic) 0.2 Control Voltage: VCONT(ON) (V) Dropout voltage: dVI-O (V) 0.25 0.15 0.1 1 0.5 @:VIN=4.0V Co=1.0uF(Ceramic) 0.05 0 0 -50 0 50 100 150 -50 o 3.1 0 50 100 o Ambient temperature: Ta ( C) Ambient temperature: Ta ( C) NJU7771_3.0V Overtemperature Protection Characteristics NJU7771_3.0V Quiescent current vs.Ambient temperature 150 60 @:V IN=4.0V Io=30mA Co=1.0uF (Ceramic) 50 Quiescent curent: IQ (uA) Output voltage: Vo (V) 3.05 3 2.95 40 @:VIN=4.0V Output is open. Co=1.0uF(Ceramic) 30 20 10 2.9 0 -50 0 50 100 o Ambient temperature: Ta ( C) Ver.2004-01-19 150 -50 0 50 100 150 o Ambient temperature: Ta ( C) -7- NJU7771/72/73/74/75/76 [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. -8- Ver.2004-01-19