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NJM2891 - 2ch LOW DROPOUT VOLTAGE REGULATOR

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.

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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 Outline FFP12-B1 (2.0×2.0×0.85mm) ! PIN.

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Full PDF Text Transcription

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NJM2891 www.DataSheet4U.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 Outline FFP12-B1 (2.0×2.0×0.85mm) ! PIN CONFIGURATION PIN FUNCTION 1. VOUT2 2. VOUT2 3. GND 4.
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