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| 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. ! FEATURES " High Ripple Rejection 65dB typ. (f=1kHz,Vo=3.0V version) " Low quiescent Current Iq=18A (Io=0mA) " Output capacitor with 1.0F ceramic capacitor (Vo2.0V version) " Output Current Io(max.)=150mA " High Precision Output Vo1.0% " Low Dropout Voltage 0.15V typ. (Io=100mA,Vo=3.0V) " Input Voltage Range VIN=+2.3V14V(Vo2.0V 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) ! EQUIVALENT CIRCUIT VDD Thermal Protection CONTROL VOUT VDD Thermal Protection VOUT ! PACKAGE OUTLINE NJU777*F ! PIN CONFIGURATION 5 4 123 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 CONTROL Output Control Output Control Vref VSS Current Limit VSS Vref Current Limit NJM7771/72/73 ! OUTPUT VOLTAGE RANK LIST Device Name VOUT Device Name 1.5V NJU777xF15 NJU777xF27 2.1V NJU777xF21 NJU777xF28 2.2V NJU777xF22 NJU777xF03 2.3V NJU777xF23 NJU777xF33 2.5V NJU777xF25 NJU777xF35 NJM7774/75/76 VOUT 2.7V 2.8V 3.0V 3.3V 3.5V Device Name NJU777xF38 NJU777xF05 VOUT 3.8V 5.0V Ver.2004-01-19 -1- NJU7771/72/73/74/75/76 ! ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr (Ta=25C) UNIT V V mW C RATINGS +10 +10(*note 1) 200 -40 +85 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=0.1F, Co=1.0F(Co=2.2F: Vo2.0V), Ta=25C) PARAMETER Output Voltage Input Voltage Quiescent Current Quiescent Current at Control OFF Output Current Short Current Limit Line Regulation Load Regulation Dropout Voltage(*note 3) SYMBOL Vo VIN IQ IQ(OFF) Io ILIM Vo/ VIN Vo/ Io VI-O TEST CONDITION Io=30mA Io=0mA, VCONT=VIN VCONT=0V Vo-0.1V (Vo2.0V) Vo-0.3V (Vo2.1V) Vo=0V VIN=Vo+1V Vo+6.0V (Vo<3.0V) VIN=Vo+1V 9.0V (Vo3.0V), Io=30mA Io=0 100mA 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=3.0V Version Ta=0 85C, Io=10mA f=10Hz 80kHz,Io=0mA,Vo=3.0V Version f=10Hz 80kHz,Io=10mA,Vo=3.0V Version MIN. -1.0% 2 - - 150 30 - - - - - - - - - - 2.5 1.6 0 MAX. +1.0% - Vo+1V 9 18 35 0.1 - 50 - - 0.2 0.18 0.15 0.12 65 100 40 70 5 - - 1 - 110 0.20 0.03 0.3 0.28 0.25 0.22 - - - - 10 - 0.3 TYP. 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 Pull-down Resistance Control Voltage for ON-state Control Voltage for OFF-state RR Vo/ Ta VNO1 VNO2 RCONT VCONT(ON) VCONT(OFF) (*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 VIN IIN CIN 0.1F VIN VOUT CO NJU777* IOUT V VOUT 1.0F(*1) (ceramic capacitor) A V VCONT ICONT CONTROL GND (*1) Vo2.0V version: Co=2.2F(ceramic) ! POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU777*F (Topr= -40~+85C,Tj=125C,PD=200mW(Ta25C)) 500 Power Dissipation PD(mW) 400 300 On glass epoxy board. (30x30x1.6mm) 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 0.1F VIN VOUT VOUT 1.0F (*1) (ceramic capacitor) NJU777* CONTROL GND (*1) Vo2.0V version: Co=2.2F(ceramic) Connect control terminal to VIN terminal. 2 In use of ON/OFF Control VIN VIN VOUT VOUT 1.0F (*1) (ceramic capacitor) 0.1F NJU777* CONTROL GND (*1) Vo2.0V version: Co=2.2F(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 @:Ta=25 C Co=1.0uF(Ceramic) o 3.5 NJU7771_3.0V Over Current Protection Characteristics 3 3.1 2.5 Output Voltage: Vo(V) Io=0A 3 Output Voltage: Vo(V) 2 2.9 Io=30mA 1.5 1 2.8 Io=100mA 2.7 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 0.5 @:Ta=25 C 0 0 50 100 150 200 250 300 o Input Voltage: VIN (V) Output Current: Io(mA) NJU7771_3.0V Circuit operating current vs.Output current 100 0.3 @:Ta=25o C VIN=4.0V Co=1.0uF(Ceramic) o NJU7771_3.0V Dropout Voltage vs.Output Current @:Ta=25 C Co=1.0uF(Ceramic) 0.25 Circuit operating current: IGND (uA) 80 Dropout Voltage: dVI-O (V) 0.2 60 0.15 40 0.1 20 0.05 0 0 50 100 150 200 0 0 50 100 150 Output current: IO(mA) Output Current: Io(mA) 6 NJU7771_3.0V Output Voltage vs.Control Voltage 5 Output Voltage: Vo(V) 4 3 2 o 1 @:Ta=25 C VIN=4.0V Co=1.0uF(Ceramic) Io=30mA 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 Output noise voltage vs.Output current 120 @:Ta=25 oC VIN=4.0V LPF:80kHz 80 f=1kHz 70 NJU7771_3.0V Ripple rejection ratio vs.Output current 100 Output noise voltage: Vn(uVrms) 80 Co=1.0uF(Ceramic) Ripple rejection ratio: RR (dB) 60 50 60 Co=2.2uF(Ceramic) 40 40 f=10kHz 30 o 20 20 10 0 0.001 @:Ta=25 C VIN=4.0V ein=200mVrms Co=1.0uF(Ceramic) 0.01 0.1 1 10 100 0 0.001 0.01 0.1 1 10 100 Output current: Io(mA) NJU7771_3.0V Stability Operating Area Characteristics 100 @:Ta=25 oC Co=1.0uF(Ceramic) Cin=0.1uF Output current: Io(A) Equivalent sereis resistance: ESR( ) 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 0.3 NJU7771_3.0V Dropout voltage vs.Ambient temperature NJU7771_3.0V Control voltage(ON state) vs.Ambient temperature 2 0.25 0.2 Control Voltage: VCONT(ON) (V) Dropout voltage: dVI-O (V) @: Io=100mA Co=1.0uF(Ceramic) 1.5 0.15 1 0.1 0.5 @:VIN=4.0V Co=1.0uF(Ceramic) 0.05 0 -50 0 50 100 o 0 150 -50 0 50 Ambient temperature: Ta ( C) Ambient temperature: Ta ( C) o 100 150 3.1 NJU7771_3.0V Overtemperature Protection Characteristics @:VIN=4.0V Io=30mA Co=1.0uF(Ceramic) NJU7771_3.0V Quiescent current vs.Ambient temperature 60 50 3.05 Quiescent curent: IQ (uA) Output voltage: Vo (V) 40 @:VIN=4.0V Output is open. Co=1.0uF(Ceramic) 3 30 20 2.95 10 2.9 -50 0 50 0 Ambient temperature: Ta ( C) o 100 150 -50 0 50 100 o 150 Ambient temperature: Ta ( C) Ver.2004-01-19 -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 |
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