NJM2800

www.DataSheet4U.com NJM2800 PRELIMINARY Low Dropout Voltage Regulator with Reset ■ GENERAL DISCRIPTION The NJM2800 is a low dropout voltage regulator with reset function. It provides up to 150mA of logic supply, and the reset function monitors either input or output voltage of the regulator with 2% accuracy. It is suitable for local power supply and reset for small micro controller and other logic chips. ■ PACKAGE OUTLINE NJM2800F** NJM2800U** ■ PIN CONFIGURATION ■ FEATURES Output Voltage Accuracy Reset Voltage Accuracy Reset Hold Time Quiescent Current Open Collector Output Bipolar Technology Input Voltage Monitor type Package Outline Protection Circuit Vo = ±2.2% Vreset = ±2.0% td = 10mS±2.5mS IQ=300µA (max.) ( MTP-5 ) 1 2 3 4 5 1.VIN 2.GND 3.VOR 4.Cd 5.VOUT SOT89 (5Pin) / MTP5 1.Current limit circuit 2.Thermal overload protection circuit ( SOT-89 ) 5 4 ■ OUTPUT VOLTAGE/RESET VALIDATED VOLTAGE PART NO NJM2800-2528 NJM2800-3342 Output Voltage 2.5V 3.3V Reset Validated Voltage 2.8V 4.2V 1 2 3 1.VOUT 2.GND 3.Cd 4.VOR 5.VIN ■ BLOCK DIAGLAM VIN Thermal Protection VO VOR Bandgap Reference GND Cd NJM2800 PRELIMINARY ■ ABSOLUTE MAXIMUM RATINGS PARAMETER Input Voltage Power Dissipation Operating Storage Temperature Temperature SYMBOL VIN PD Topr Tstg RATINGS +14 200 (MTP5) 350 (SOT-89) −40∼+85 −40∼+125 (Ta=25°C) UNIT V mW °C °C ■ ELECTRICAL CHARACTERISTICS (VIN=Vo+1V , CIN=0.1µF, Co=1µF ( Vo≤2.6V: Co=2.2µF ) Ta=25°C ) PARAMETER Quiescent Current ...