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NJM2801

New Japan Radio
Part Number NJM2801
Manufacturer New Japan Radio
Description Low Dropout Voltage Regulator
Published Dec 19, 2006
Detailed Description www.DataSheet4U.com NJM2801 PRELIMINARY Low Dropout Voltage Regulator with Reset ■ GENERAL DISCRIPTION The NJM2801 is a...
Datasheet PDF File NJM2801 PDF File

NJM2801
NJM2801

Overview
www.
DataSheet4U.
com NJM2801 PRELIMINARY Low Dropout Voltage Regulator with Reset ■ GENERAL DISCRIPTION The NJM2801 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 NJM2801F** NJM2801U** ■ FEATURES ■ PIN CONFIGURATION ( MTP-5 ) 1 2 3 4 5 • Output Voltage Accuracy Vo = ±2.
2% • Reset Output Voltage VORH = 3.
3V(typ.
) • Reset Hold Time td = 10mS±2.
5mS • Ripple Rejection RR=60dB (typ.
) • Quiescent Current IQ=300µA(max.
) • Open Collector Output • Bipolar Technology • Output Voltage Monitor type • Package Outline SOT89(5Pin)/MTP5 • Protection Circuit 1.
Current limit circuit 2.
Thermal overload protection circuit 1.
VIN 2.
GND 3.
VOR 4.
Cd 5.
VOUT ( SOT-89 ) 5 4 1.
VOUT 2.
GND 3.
Cd 4.
VOR 5.
VIN 1 2 3 ■ Output Voltage/Reset Validated Voltage PART NO NJM2801-0543 Output Voltage 5.
0V Reset Validated Voltage 4.
3V ■ Block Diaglam VIN Thermal Protection VO VOR Bandgap Reference GND Cd NJM2801 PRELIMINARY ■ Absolute Maximum Ratings PARAMETER Input Voltage Power Dissipation Operating Temperature Storage Temperature Range SYMBOL VIN PD Topr Tstg (Ta=25°C) RATINGS UNIT +14 V 200 (MTP5) mW 350 (SOT-89) −40∼+85 °C −40∼+125 °C ■ ELECTRICAL CHARACTERISTICS (VIN=Vo+1V , CIN=0.
1µF, Co=1µF ( Vo≤2.
6V: Co=2.
2µF ) Ta=25°C ) PARAMETER Quiescent Current Regulator Block Output Voltage Output Current Line Regulation Load Regulation Dropout Voltage Ripple Rejection Output Voltage Temperature Coefficient SYMBOL IQ Vo Io ∆Vo/∆VIN ∆Vo/∆Io ∆VI_O RR ∆Vo/∆T VNO VRT VRTH RORL IORH IORL td VOPL Io=0mA Io=30mA Vo-0.
3V CONDITION MIN.
− -2.
2% 150 − − − − − − −2% − − 5 9 − TYP.
200 − 200 − − 0.
10 60 ±50 45 − 100 − − 10 0.
9 MAX.
300 +2.
2% − 0.
10 0.
03 0.
18 − − − +2% 300 0.
1 − 11 − UNIT µA V mA %/V %/mA V dB ppm/°C VIN=Vo+1V∼Vo+6V, Io=30...


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