NJM2891
com
2ch LOW DROPOUT VOLTAGE
REGULATOR
! GENERAL DESCRIPTION The NJM2891 is low dropout voltage
regulator designed for cellular phone application.
Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current.
! FEATURES " High Ripple Rejection 70dB typ.
(f=1kHz , Vo=3V Version) " Output Noise Voltage Vno=30µVrms typ.
(Cp=0.
01µF) " Output capacitor with 1.
0µF ceramic capacitor (Vo≥2.
7V) " Output Current Io(max.
)=150mA × 2ch " High Precision Output Vo±1.
0% " Low Dropout Voltage 0.
10V typ.
(Io=60mA) " ON/OFF Control (Active High) " Internal Short Circuit Current Limit " Internal Thermal Overload Protection " Bipolar Technology " Package ...