NJU7741 LOW DROPOUT VOLTAGE REGULATOR ■ GENERAL DISCRIPTION NJU7741 is a low dropout voltage regulator with ON/OFF control. Advanced CMOS technology achieves high ripple rejection and ultra low quiescent current. It is suitable for portable applications. ■ PACKAGE OUTLINE ■ FEATURES ● Ultra Low quiescent Current Iq=1.5µA typ.(IO=0mA) ● Output capacitor with 0.1uF ceramic capacitor ● Output Current IO(max.)=100mA ● High Precision Output VO±1.0% ● Low Dropout Voltage 0.17V typ. (IO=60mA, VO=3V) ● With ON/OFF Control (Active High) ● Internal Short Circuit Current Limit ● CMOS Technology ● Package Outline MTP5 (2.8×2.9×1.1mm) ■ PIN CONFIGURATION NJU7741F 1 5 2 3 4 PIN FUNCTION 1.CONTROL 2.GND 3.N.C. 4.VOUT 5.VIN NJU7741F ■ EQUIVALENT CIRCUIT VIN CONTROL VOUT Output Control Vref Current Limit GND ■ OUTPUT VOLTAGE RANK LIST DEVICE NAME VOUT DEVICE NAME NJU7741F15 1.5V NJU7741F03 NJU7741F33 NJU7741F02 2.0V NJU7741F06 NJU7741F27 2.7V NJU7741F28 2.8V Ver.2004-03-05 VOUT 3.0V 3.3V 6.0V -1- NJU7741 ■ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg (Ta=25°C) 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. ■ ELECTRICAL CHARACTERISTICS (VIN=VO+1V, CIN=0.1uF, CO=0.1uF, Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. −1.0% – IO=30mA Output Voltage VO Input Voltage VIN – – Quiescent Current IQ IO =0mA, VCONT=VIN, except ICONT – 1.5 Quiescent Current VCONT=0V – 0.1 IQ(OFF) at Control OFF Output Current IO VO−0.3V 100 – Short Circuit Limit ILIM VO=0V – 25 VIN= VO+1V∼VO+6.0V(VO<3.0V) – – Line Regulation ∆VO /∆VIN VIN= VO+1V∼9.0V(VO≥3.0V), IO=30mA Load Regulation – – ∆VO /∆VO Io=0∼100mA Io=40mA 1.5V≤VO≤2.0V – 0.19 2.1V≤VO≤2.4V – 0.19 2.5V≤VO≤2.7V – 0.18 Dropout Voltage ∆VI-O Io=60mA 2.8V≤VO≤3.3V – 0.17 3.4V≤VO≤5.0V – 0.16 5.1V≤VO≤6.0V – 0.15 Average Temperature – Coefficient of Output ∆VO /∆Ta Ta=0∼85°C, VO=10mA ±100 Voltage Pull-down Resistance RCONT 2.5 5 Control Voltage for 1.6 – VCONT(ON) ON-State Control Voltage for 0 – VCONT(OFF) OFF-State (note 2) 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- MAX. +1.0% 9 3.5 UNIT V V uA 1 uA – – mA mA 0.30 %/V 0.30 0.40 0.29 0.27 0.26 0.24 0.22 %/mA V V V V V V – ppm/°C 10 MΩ VIN V 0.3 V Ver.2004-03-05 NJU7741 ■ TEST CIRCUIT A IIN VIN VOUT CO CIN VIN 0.1uF A V VCONT Ver.2004-03-05 ICONT NJU7741 IOUT V VOUT 0.1uF (ceramic capacitor) CONTROL GND -3- NJU7741 ■ TYPICAL APPLICATION 1 In case that ON/OFF Control is not required: VIN VOUT VIN CIN 0.1uF VOUT CO 0.1uF NJU7741 CONTROL GND Connect control terminal to VIN terminal. 2 In use of ON/OFF Control VIN VOUT VIN CIN 0.1uF VOUT CO 0.1uF NJU7741 CONTROL GND State of control terminal: ● “H” → output is enabled. ● “L” or “open” → output is disabled. -4- Ver.2004-03-05 NJU7741 [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.2004-03-05 -5- This datasheet has been download from: www.datasheetcatalog.com Datasheets for electronics components.