NJM2807

www.DataSheet4U.com NJM2807 Low Dropout Voltage Regulator with Reset „ GENERAL DISCRIPTION The NJM2807 is a low dropout voltage regulator with reset function. It provides up to 500mA of logic supply, and the reset function monitors input voltage of the regulator with 1% accuracy. It is suitable for local power supply and reset for small micro controller and other logic chips. „ FEATURES z Output Voltage Accuracy Vo ±1.0% z Reset Voltage Accuracy VRT ±1.0% z Adjust reset delay time with external capacitor. z Ripple Rejection 75dB typ. (f=1kHz) z Output Voltage Monitor type z Open Collector Output z Internal Short Circuit Current Limit z Internal Thermal Overload Protection z Bipolar Technology z Package Outline TO-252-5 „ PACKAGE OUTLINE NJM2807DL2 NJM2807DL3 „ PIN CONFIGURATION 3 3 123 45 123 45 1.VOR 2.VIN 3.GND 4.VOUT 5.Cd NJM2806DL2 NJM2806DL3 „ OUTPUT VOLTAGE/ DETECTION VOLTAGE Device Name Output Voltage Detection Voltage NJM2807DL*-0543 5.0V 4.3V „ EQUIVALENT CIRCUIT VIN VOR Thermal Protection VOUT Bandgap Reference GND Cd Ver.2004-12-24 -1- NJM2807 „ ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage Power Dissipation Operating Temperature Storage Temperature VIN PD Topr Tstg (Ta=25°C) UNIT V W RATINGS +14 8 (Tc=25°C) 0.8(Ta≤25°C) −40∼+85 −40∼+125 °C °C „ ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.33µF, Co=1.0µF (Co=2.2µF: Vo≤2.4V) Ta=25°C) PARAMETER SYMBOL TEST CONDITION Quiescent Current VIN=Vo+2V, Io=0mA IQ Regulator Block Output Voltage O...