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NJM2800

New Japan Radio
Part Number NJM2800
Manufacturer New Japan Radio
Description Low Dropout Voltage Regulator
Published Dec 19, 2006
Detailed Description www.DataSheet4U.com NJM2800 PRELIMINARY Low Dropout Voltage Regulator with Reset ■ GENERAL DISCRIPTION The NJM2800 is a...
Datasheet PDF File NJM2800 PDF File

NJM2800
NJM2800

Overview
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 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% TYP.
250 − 200 − − 0.
10 60 ±50 45 − MAX.
350 +2.
2% − 0.
10 0.
03 0.
18 − − − +2% UNIT µA V mA %/V %/mA V dB ppm/°C VIN=Vo+1V∼Vo+6V, Io=30mA Io=0∼100mA Io=60mA Ein=200mVrms, f=1kHz, Io=10mA,Vo=3V ...


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