NJM2871

NJM2871/A, NJM2872/A www.DataSheet4U.com LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2871/A, NJM2872/A are low dropout voltage regulators designed for cellular phone application. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. PACKAGE OUTLINE NJM2871F/AF NJM2872F/AF FEATURES High Ripple Rejection 70dB typ. (f=1kHz,Vo=3V Version) Output Noise Voltage Vno=30µVrms typ.(Cp=0.01µF) Output capacitor with 1.0uF ceramic capacitor (Vo≥2.7V) Output Current Io(max.)=150mA High Precision Output Vo±2% Vo±1%:A Version Low Dropout Voltage 0.10V typ. (Io=60mA) ON/OFF Control (Active High) Operating Voltage Range +2.5V∼+14V (Vo≤2.0V version) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SOT-23-5 PIN CONFIGURATION 5 4 1 2 3 PIN FUNCTION 1. CONTROL (Active High) 2. GND 3. NOISE BYPASS 4. VOUT 5. VIN 5 4 1 2 3 PIN FUNCTION 1.VIN 2.GND 3.CONTROL (Active High) 4.NOISE BYPASS 5.VOUT NJM2871F/AF NJM2872F/AF EQUIVALENT CIRCUIT VIN Cont Bandgap Reference Thermal Protection VOUT Noise Bypass GND Ver.2007-01-06 -1- NJM2871/A, NJM2872/A www.DataSheet4U.com (Ta=25°C) RATINGS UNIT +14 V +14(*1) V 350(*2) Power Dissipation PD SOT-23-5 mW 200(*3) Operating Temperature Topr −40 ∼ +85 °C Storage Temperature Tstg −40 ∼ +125 °C (*1): When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. (*2): Mounted on glass epoxy boa...