NJU7748F

NJU7747/48 LOW DROPOUT VOLTAGE REGULATOR GENERAL DISCRIPTION NJU7747/48 is a low dropout voltage regulator with ON/OFF control. Advanced CMOS technology achieves ultra low quiescent current. SC-82AB package and 0.1µF small output capacitor make the NJU7747/48 suitable for space conscious applications. NJU7748 features shunt switch which improves turn off response of output voltage when ON/OFF control is used. 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=40mA, VO=3V version) With ON/OFF Control (Active High) With Output Shunt Switch Only NJU7748 Internal Short Circuit Current Limit CMOS Technology Package Outline SC-82AB PIN CONFIGURATION 4 3 PACKAGE OUTLINE NJU7747/48F 1 2 PIN FUNCTION 1.CONTROL 2.GND 3. VOUT 4. VIN NJU7747/48F4 EQUIVALENT CIRCUIT VIN VOUT VIN VOUT CONTROL Output Control CONTROL Output Control Vref Current Limit Vref Current Limit GND GND NJU7747 NJU7748 Ver.2004-12-22 -1- NJU7747/48 OUTPUT VOLTAGE RANK LIST (* : Under Development) DEVICE NAME VOUT DEVICE NAME VOUT NJU774*F4-15 1.5V NJU774*F4-28 2.8V NJU774*F4-18 1.8V NJU774*F4-03 3.0V NJU774*F4-19 1.9V NJU774*F4-33 3.3V NJU774*F4-02 2.0V (*) NJU774*F4-37 3.7V NJU774*F4-25 2.5V NJU774*F4-05 5.0V NJU774*F4-27 2.7V ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN +10 V Control Voltage VCONT +10(*1) V Power Dissipation PD 250(*2) mW Operating Temperature Topr −40 ∼ +85 °C Storage Temperature Tstg −40 ∼ +125 °C Output Sink Current 10 mA IO at OFF-state(*3) (*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): This maximum rating is applied to NJU7748. ELECTRICAL CHARACTERISTICS (VIN=VO+1V, CIN=0.1µF, CO=0.1µF, Ta=25°C) 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+1V∼VO+6.0V(VO