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| NJU7741/44 LOW DROPOUT VOLTAGE REGULATOR GENERAL DISCRIPTION NJU7741/44 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. NJU7744 features shunt switch which improves turn off response of output voltage when ON/OFF control is used. FEATURES Ultra Low quiescent Current Iq=1.5A typ.(IO=0mA) Output capacitor with 0.1uF ceramic capacitor Output Current IO(max.)=100mA High Precision Output VO1.0% Low Dropout Voltage 0.17V typ. (IO=60mA, VO=3V version) With ON/OFF Control (Active High) With Output Shunt Switch Only NJU7744 Internal Short Circuit Current Limit CMOS Technology Package Outline SOT-23-5 PIN CONFIGURATION 5 4 PACKAGE OUTLINE NJU7741/44F 123 PIN FUNCTION 1.CONTROL 2.GND 3.N.C. 4.VOUT 5.VIN NJU7741/44F EQUIVALENT CIRCUIT VIN VOUT VIN VOUT CONTROL Output Control CONTROL Output Control Vref Current Limit Vref Current Limit GND GND NJU7741 NJU7744 Ver.2004-12-22 -1- NJU7741/44 OUTPUT VOLTAGE RANK LIST DEVICE NAME VOUT DEVICE NAME NJU774*F15 1.5V NJU774*F28 NJU774*F18 1.8V NJU774*F03 NJU774*F19 1.9V NJU774*F33 NJU774*F02 2.0V NJU774*F37 NJU774*F25 2.5V NJU774*F05 NJU774*F27 2.7V NJU774*F06 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD VOUT 2.8V 3.0V 3.3V 3.7V 5.0V 6.0V Operating Temperature Topr Storage Temperature Tstg Output Sink Current 10 mA IO 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 NJU7744. ELECTRICAL CHARACTERISTICS (VIN=VO+1V, CIN=0.1F, CO=0.1F, Ta=25C) PARAMETER Output Voltage Input Voltage Quiescent Current Quiescent Current at Control OFF Output Current Short Circuit Limit Line Regulation Load Regulation SYMBOL VO VIN IQ IQ(OFF) IO ILIM VO /VIN VO /VO IO=30mA IO =0mA, VCONT=VIN, Except ICONT VCONT=0V VO-0.3V VO=0V VIN= VO+1VVO+6.0V(VO<3.0V) VIN= VO+1V9.0V(VO3.0V), IO=30mA Io=0100mA 1.5VVO2.0V Io=40mA 2.0VVO2.4V 2.5VVO2.7V Io=60mA 2.8VVO3.3V 3.4VVO5.0V 5.1VVO6.0V Average Temperature Coefficient of Output Voltage Pull-down Resistance Control Voltage for ON-State Control Voltage for OFF-State Pull-down Resistance at OFF-state(note 3) VO /Ta RCONT VCONT(ON) VCONT(OFF) RO(OFF) VCONT=0V (VO=3.0V Version) Ta=085C, IO=10mA TEST CONDITION MIN. -1.0% - - - 100 - - - - - - - - - - 2 1.6 0 - TYP. - - 1.5 0.1 - 25 - - 0.19 0.19 0.18 0.17 0.16 0.15 100 5 - - 300 MAX. +1.0% 9 3.5 1 - - 0.30 0.15 0.60 0.29 0.27 0.26 0.24 0.22 - 10 VIN 0.3 - UNIT V V A A mA mA %/V %/mA V V V V V V ppm/C M V V (Ta=25C) RATINGS UNIT +10 V +10(*1) V 350(*2) SOT-23-5 mW 200(*3) -40 +85 C -40 +125 C Dropout Voltage VI-O (*5) This electrical characteristics is applied to NJU7744. The above specification is a common specification for all voltages. Therefore, it may be different from the individual specification for a specific output Voltage. -2- Ver.2004-12-22 NJU7741/44 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU7741/44F 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() TEST CIRCUIT A VIN IIN VIN VOUT IOUT V VOUT 0.1F 0.1F NJU7741/44 (Ceramic) A V VCONT ICONT CONTROL GND Ver.2004-12-22 -3- NJU7741/44 TYPICAL APPLICATION 1 In case that ON/OFF Control is not required: VIN VIN CIN 0.1F VOUT VOUT CO 0.1F NJU7741/44 CONTROL GND Connect control terminal to VIN terminal. 2 In use of ON/OFF Control VIN VIN CIN 0.1F VOUT VOUT CO 0.1F NJU7741/44 CONTROL GND State of control terminal: "H" output is enabled. "L" or "open" output is disabled. -4- Ver.2004-12-22 NJU7741/44 TYPICAL CHARACTERISTICS NJU7741/44_3.0V Output Voltage vs. Input Voltage 3.4 @:Ta=25 C Co=0.1F(Ceramic) o 4 NJU7741/44_3.0V Output Voltage vs. Output Current 3.5 3.2 Io=0A 3 Output Voltage : Vo(V) Output Voltage : Vo(V) 3 2.5 2 2.8 Io=40mA 2.6 Io=100mA 2.4 1.5 1 @:Ta=25 C VIN=4.0V Co=0.1F(Ceramic) 0 50 100 150 200 o 0.5 2.6 2.8 3 3.2 3.4 3.6 3.8 0 Input Voltage : VIN(V) Output Current : Io(mA) NJU7741/44_3.0V Ground Pin Current v.s. Output Current 40 200 o NJU7741/44_3.0V Dropout Voltage vs. Output Current @:Ta=25 C Co=0.1F(Ceramic) 35 Ground Pin Current : IGND ( A) 30 150 25 20 Dropout Voltage:dVI-O (mV) @:Ta=25 C VIN=4.0V Co=0.1F(Ceramic) o 100 15 10 50 5 0 0 20 40 60 80 100 0 0 20 40 60 80 100 Output Current : IO(mA) Output Current:Io(mA) NJU7741/44_3.0V Quiescent Current v.s. Input Voltage 16 @:Ta=25 C Output is open. Co=0.1F(Ceramic) including Icont o 14 12 Quiescent Current : IQ ( A) 10 8 6 4 2 0 0 2 4 6 8 10 Input Voltage : VIN(V) Ver.2004-12-22 -5- NJU7741/44 TYPICAL CHARACTERISTICS NJU7741/44_3.0V Dropout Voltage v.s. Temperature @:Io=60mA Co=0.1F(Ceramic) 0.15 3.1 NJU7741/44_3.0V Output Voltage v.s. Temperature @:VIN=4V Io=30mA Co=0.1F(Ceramic) 3.05 Dropout Voltage:dVI-O (V) 0.1 Output Voltage Vo (V) 3 0.05 2.95 0 -50 0 50 100 o 2.9 150 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature Ta ( C) NJU7741/44_3.0V Quiescent Current v.s. Temperature 5 0.2 NJU7741/44_3.0V Line Regulation v.s. Temperature 4 @:dVIN=4-9V Io=30mA Co=0.1F(Ceramic) Line Regulation : dVo/dIo (%/V) @:VIN=4V Output is open. Co=0.1F(Ceramic) Quiescent Current : IQ ( A) 0.15 3 0.1 2 0.05 1 0 -50 0 50 100 o 0 150 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) NJU7741/44_3.0V Load Regulation v.s. Temperature 0.06 @:VIN=4V Io=0-100mA Co=0.1F(Ceramic) 0.05 NJU7741/44_3.0V Short Circuit Current v.s. Temperature 100 @:VIN=4V Output is short to ground. Co=0.1F(Ceramic) 80 Load Regulation : dVo/dIo (%/mA) 0.04 Short Circuit Current : ISC (mA) -50 0 50 100 o 60 0.03 40 0.02 0.01 20 0 150 0 -50 0 50 100 o 150 Temperature : Ta ( C) Temperature : Ta ( C) -6- Ver.2004-12-22 NJU7741/44 [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 -7- |
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