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| NJU7751/54 LOW DROPOUT VOLTAGE REGULATOR GENERAL DISCRIPTION NJU7751/54 is a low dropout voltage regulator with ON/OFF control and Output shunt switch. Advanced CMOS technology achieves high ripple rejection and ultra low quiescent current. It is suitable for reset small micro controller and other logic chips. PACKAGE OUTLINE NJU7751/54F FEATURES Ultra Low quiescent Current Iq=20A typ.(IO=0mA) Output capacitor with 1.0uF ceramic capacitor Output Current IO(max.)=100mA High Precision Output VO1.0% Low Dropout Voltage 0.15V typ. (IO=60mA, VO=3V) With ON/OFF Control (Active High) With Output Shunt Switch Internal Short Circuit Current Limit CMOS Technology Package Outline SOT-23-5 PIN CONFIGURATION PIN FUNCTION 5 4 1.CONTROL 2.GND 3.N.C. 4.VOUT 123 5.VIN NJU7751/54F EQUIVALENT CIRCUIT VIN VOUT VIN VOUT CONTROL Output Control CONTROL Output Control Vref Current Limit Vref Current Limit GND GND NJU7751 OUTPUT VOLTAGE RANK LIST DEVICE NAME VOUT NJU775*F21 2.1V NJU775*F25 2.5V NJU775*F03 3.0V NJU775*F33 3.3V NJU775*F05 5.0V NJU7754 Ver.2004-12-22 -1- NJU7751/54 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD (Ta=25C) RATINGS UNIT +10 V +10(*1) V 350(*2) SOT-23-5 mW 200(*3) -40 +85 C -40 +125 C Operating Temperature Topr Storage Temperature Tstg Output Sink Current IO 10 mA at OFF-state(*4) (*1) When input voltage is less than +10V, 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. (*4): This maximum rating is applied to NJU7754. ELECTRICAL CHARACTERISTICS (VIN=VO+1V, CIN=0.1F, CO=1.0F, Ta=25C) PARAMETER SYMBOL TEST CONDITION IO=30mA Output Voltage VO Input Voltage VIN Quiescent Current IQ IO =0mA, VCONT=VIN, Include ICONT Quiescent Current VCONT=0V IQ(OFF) at Control OFF Output Current IO VO-0.3V Short Circuit Limit ILIM VO=0V VIN= VO+1VVO+6.0V(VO<3.0V) Line Regulation VO /VIN VIN= VO+1V9.0V(VO3.0V), IO=30mA Load Regulation VO /VO Io=0100mA 2.1VVO2.4V 2.5VVO2.7V Io=60mA Dropout Voltage VI-O 2.8VVO3.3V 3.4VVO5.0V Ripple Rejection RR ein=200mVrms,f=1kHz,Io=10mA, Vo=3.0V Version MIN. -1.0% - - - 100 - - - - - - - - TYP. - - 20 0.1 - 40 - - 0.20 0.18 0.15 0.12 65 MAX. +1.0% 9 40 1 - - 0.20 0. 03 0.27 0.25 0.22 0.19 - UNIT V V A A mA mA %/V %/mA V V V V dB Average Temperature Coefficient of Output Voltage Output Noise Voltage VO /Ta VNO Ta=085C, IO=10mA f=10Hz 80kHz,Io=10mA,Vo=3.0V Version - - 100 75 - - ppm/C Vrms Pull-down Resistance RCONT 2 Control Voltage for 1.6 VCONT(ON) ON-State Control Voltage for - VCONT(OFF) OFF-State(*5) Pull-down Resistance VCONT=0V (VO=3.0V Version) - RO(OFF) at OFF-state (*5) This electrical characteristics is applied to NJU7754. The above specification is a common specification for all voltages. Therefore, it may be different from the individual specification for a specific output Voltage. 5 - - 150 10 - 0.3 - M V V -2- Ver.2004-12-22 NJU7751/54 TEST CIRCUIT A VIN IIN CIN 0.1F VIN VOUT CO IOUT V VOUT NJU7751/54 1.0F (ceramic) A V VCONT ICONT CONTROL GND TYPICAL APPLICATION 1 In case that ON/OFF Control is not required: VIN VIN CIN 0.1F VOUT CO 1.0F VOUT NJU7751/54 CONTROL GND Connect control terminal to VIN terminal. 2 In use of ON/OFF Control VIN VIN CIN 0.1F VOUT CO 1.0F VOUT NJU7751/54 CONTROL GND State of control terminal: "H" output is enabled. "L" or "open" output is disabled. Ver.2004-12-22 -3- NJU7751/54 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU7751/54F Power Dissipation (Topr=-40+85,Tj=125,PD=200mW(Ta25)) 500 Power Dissipation PD(mW) 400 On Board(114.3x76.2x1.6mm, FR-4) 300 Device itself 200 100 0 -50 -25 0 25 50 75 100 Ambient Temperature Ta() -4- Ver.2004-12-22 NJU7751/54 ELECTRICAL CHARACTERISTICS NJU7751/54_3.0V Output Voltage vs. Input Voltage 3.2 @:Ta=25 C Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 3.1 o 3.5 NJU7751/54_3.0V Output Voltage vs. Output Current 3 Output Voltage : Vo (V) 2.5 3 Output Voltage : Vo(V) Io=0A 2 2.9 Io=30mA 2.8 1.5 1 @:Ta=25 oC VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 0.5 Io=100mA 2.7 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 0 0 50 100 150 200 250 Input Voltage : VIN(V) Output Current : Io(mA) NJU7751/54_3.0V Ground Pin Current v.s. Output Current 100 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F(Ceramic) o 0.4 o NJU7751/54_3.0V Dropout Voltage vs. Output Current @:Ta=25 C Co=1.0F(Ceramic) 0.35 80 Ground Pin Current : IGND ( A) 0.3 Dropout Voltage:dVI-O (V) 60 0.25 0.2 40 0.15 0.1 20 0.05 0 0 50 100 150 0 0 50 100 150 Output Current : IO(mA) Output Current:Io(mA) 6 NJU7751/54_3.0V Output Voltage vs. Control Voltage 0 NJU7751/54_3.0V Load Regulation vs. Output Current 5 -5 4 Load Regulation : dVo/dIo(mV) Output Voltage : Vo(V) -10 3 -15 2 @:Ta=25 oC VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F(Ceramic) Io=30mA -20 1 -25 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 0 50 100 150 o 0 0 0.5 1 1.5 2 2.5 3 3.5 4 -30 Control Voltage : Vcont(V) Output Current : Io(mA) Ver.2004-12-22 -5- NJU7751/54 ELECTRICAL CHARACTERISTICS NJU7751/54_3.0V Peak Output Current vs. Input Voltage 60 300 NJU7751/54_3.0V Quiescent Current v.s. Input Voltage @:Ta=25oC Output is open. Co=1.0F(Ceramic) including Icont 250 50 Peak Output Current : Io MAX(mA) 200 Quiescent Current : IQ ( A) 9 40 150 30 100 20 50 @:Ta=25 C Co=1.0F(Ceramic) CIN=0.1F VO-0.3V 3 4 5 6 7 8 o 10 0 0 0 2 4 6 8 10 Input Voltage : VIN(V) Input Voltage : VIN(V) NJU7751/54_3.0V Output Noise Voltage vs. Output Current 120 100 NJU7751/54_3.0V Ripple Rejection Ratio v.s. Frequency 100 Output Noise Voltage : Vn( Vrms) 80 Ripple Rejection Ratio : RR (dB) 80 Io=0mA Io=10mA 60 60 @:Ta=25 C VIN=4.0V LPF:80kHz Co=1.0F(Ceramic) CIN=0.1F(Ceramic) o Io=30mA 40 40 20 20 @:Ta=25 oC VIN=4.0V ein=200mVrms Co=1.0F(Ceramic) 0 0.001 0.01 0.1 1 10 100 0 10 10 100 1000 104 105 Output Current : Io(mA) Frequency : f (Hz) NJU7751/54_3.0V Ripple Rejection vs. Output Current 100 NJU7751/54_3.0V Equivalent Serise Resistance vs. Output Current 100 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) Cin=0.1F(Ceramic) 10 o f=1kHz 60 Equivalent Serise Resistance : ESR( ) ) 80 Ripple Rejection : RR (dB) 1 STABLE REGION 40 f=10kHz @:Ta=25oC VIN=4.0V ein=200mVrms Co=1.0F(Ceramic) 20 0.1 0 0.001 0.01 0.1 1 10 100 1 10 100 1m 10m 100m Output Current : Io(mA) Output Current : Io(A) -6- Ver.2004-12-22 NJU7751/54 ELECTRICAL CHARACTERISTICS NJU7751/54_3.0V OFF Control Voltage vs. Temperature 2 0.3 NJU7751/54_3.0V Dropout Voltage v.s. Temperature 0.25 @: Io=60mA Co=1.0F(Ceramic) CIN=0.1F(Ceramic) OFF Control Voltage : VCONT(OFF)(V) 1.5 Dropout Voltage:dVI-O (V) 0.2 0.15 1 0.1 0.5 0.05 @:VIN=4.0V Output is open. Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 0 -50 0 50 100 o 0 150 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) 3.1 NJU7751/54_3.0V Output Voltage v.s. Temperature @:VIN=4.0V Io=30mA Co=1.0F(Ceramic) CIN=0.1F(Ceramic) NJU7751/54_3.0V Quiescent Current v.s. Temperature 60 50 3.05 Quiescent Current : IQ ( A) Output Voltage Vo (V) 40 3 30 @:VIN=4.0V Output is open. Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 20 2.95 10 2.9 -50 0 50 100 o 150 0 -50 0 50 100 o 150 Temperature Ta ( C) Temperature : Ta ( C) NJU7751/54_3.0V Line Regulation v.s. Temperature 0.1 @:dVIN=4.0-9.0V Io=30mA Co=1.0F(Ceramic) CIN=0.1F(Ceramic) NJU7751/54_3.0V Load Regulation v.s. Temperature 0.03 0.025 Load Regulation : dVo/dIo (%/mA) Line Regulation : dVo/dIo (%/V) 0.05 0.02 @:VIN=4.0V Io=0-100mA Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 0 0.015 0.01 -0.05 0.005 -0.1 -50 0 50 100 o 0 150 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) Ver.2004-12-22 -7- NJU7751/54 ELECTRICAL CHARACTERISTICS NJU7751/54_3.0V Short Circuit Current v.s. Temperature 150 Short Circuit Current : ISC (mA) @:VIN=4.0V Output is short to ground. Co=1.0F(Ceramic) CIN=0.1F(Ceramic) 100 50 0 -50 0 50 100 o 150 Temperature : Ta ( C) NJU7751_3.0V ON/OFF Transient Response Without Load 7 6 5 Output Voltage : Vo [V] 4 3 Output Voltage 2 1 0 -1 0 1 2 3 Time : t [mS] 4 5 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F Io=0mA o NJU7751/54_3.0V ON/OFF Transient Response 10 5 7 6 Control Voltage : Vo [V] 5 Control Voltage 10 5 Control Voltage Output Voltage : Vo [V] -5 -10 -15 -20 -25 -30 4 3 Output Voltage 2 1 0 -1 0 1 2 3 Time : t [mS] 4 5 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F Io=30mA o -5 -10 -15 -20 -25 -30 NJU7751_3.0V Load Transient Response 3.5 3.4 Input Voltage Input Voltage : V IN [V] 3.3 Output Voltage : Vo [V] 3.2 3.1 Output Voltage 3 2.9 2.8 2.7 0 40 80 120 Time : t [ S] 160 o NJU7751_3.0V Load Transient Response 6 5 4 3 2 1 0 -1 -2 200 3.5 3.4 Output Current Output Voltage : Vo [V] Output Current : Io [mA] 3.3 3.2 3.1 Output Voltage 3 2.9 2.8 2.7 0 40 80 120 Time : t [S] 160 -100 -150 -200 -250 200 50 0 -50 150 100 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) Io=30mA @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) o Control Voltage : Vo [V] 0 0 -8- Ver.2004-12-22 NJU7751/54 ELECTRICAL CHARACTERISTICS NJU7754_3.0V ON/OFF Transient Response Without Load 7 6 5 Output Voltage : Vo [V] 4 3 Output Voltage 2 1 0 -1 0 1 2 3 Time : t [mS] 4 5 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F Io=0mA o 10 5 Control Voltage Control Voltage : Vo [V] 0 -5 -10 -15 -20 -25 -30 NJU7754_3.0V ON/OFF Transient Response 7 6 5 Output Voltage : Vo [V] 4 3 2 1 0 -1 0 1 2 3 Time : t [mS] 4 5 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) CIN=0.1F Io=30mA o 10 5 Control Voltage Control Voltage : Vo [V] Output Current : Io [mA] 0 -5 -10 -15 -20 -25 -30 Output Voltage NJU7754_3.0V Load Transient Response 3.5 3.4 Input Voltage Input Voltage : V IN [V] 3.3 Output Voltage : Vo [V] 3.2 3.1 Output Voltage 3 2.9 2.8 2.7 0 40 80 120 Time : t [ S] 160 o NJU7754_3.0V Load Transient Response 6 5 4 3 2 1 0 -1 -2 200 3.5 3.4 Output Current 3.3 Output Voltage : Vo [V] 3.2 3.1 Output Voltage 3 2.9 2.8 2.7 0 40 80 120 Time : t [S] 160 -100 -150 -200 -250 200 50 0 -50 150 100 @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) Io=30mA @:Ta=25 C VIN=4.0V Co=1.0F(Ceramic) o [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. Ver.2004-12-22 -9- |
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