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NJM2885

New Japan Radio
Part Number NJM2885
Manufacturer New Japan Radio
Description LOW DROPOUT VOLTAGE REGULATOR
Published Nov 27, 2006
Detailed Description www.DataSheet4U.com NJM2885 LOW DROPOUT VOLTAGE REGULATOR s GENERAL DESCRIPTION The NJM2885 is low dropout voltage regu...
Datasheet PDF File NJM2885 PDF File

NJM2885
NJM2885

Overview
www.
DataSheet4U.
com NJM2885 LOW DROPOUT VOLTAGE REGULATOR s GENERAL DESCRIPTION The NJM2885 is low dropout voltage regulator designed for portable application.
Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current.
s FEATURES q High Ripple Rejection 75dB typ.
(f=1kHz) q Output Noise Voltage Vno=45µVrms q Output capacitor with 2.
2µF ceramic capacitor (Vo≥2.
7V) q Output Current Io(max.
)=500mA q High Precision Output Vo±1.
0% q Low Dropout Voltage 0.
18V typ.
(Io=300mA) q Internal Short Circuit Current Limit q Internal Thermal Overload Protection q Bipolar Technology q Package Outline TO-252-3 s PIN CONFIGURATION 2 s PACKAGE OUTLINE NJM2885DL1 PIN FUNCTION 1.
VIN 2.
GND 3.
VOUT 1 2 3 NJM2885DL1 s EQUIVALENT CIRCUIT VIN Thermal Protection Bandgap Reference VOUT GND s OUTPUT VOLTAGE RANK LIST Device Name Device Name VOUT NJM2885DL1-18 1.
8V NJM2885DL1-30 NJM2885DL1-21 2.
1V NJM2885DL1-33 NJM2885DL1-25 2.
5V NJM2885DL1-35 NJM2885DL1-26 2.
6V NJM2885DL1-38 NJM2885DL1-28 2.
8V NJM2885DL1-05 VOUT 3.
0V 3.
3V 3.
5V 3.
8V 5.
0V www.
DataSheet4U.
com NJM2885 s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Power Dissipation Operating Temperature Storage Temperature PD Topr Tstg (Ta=25°C) UNIT V mW °C °C RATINGS +14 8(Tc=25°C) 0.
8(Ta≤25°C) -40 ∼ +85 -40 ∼ +125 s ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.
33µF, Co=2.
2µF: Vo≥2.
7V (Co=4.
7µF: Vo≤2.
6V), Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN.
TYP.
MAX.
Output Voltage Vo Io=30mA -1.
0% +1.
0% − Quiescent Current IQ Io=0mA 200 300 − Output Current Io Vo-0.
3V 500 650 Line Regulation 0.
10 ∆Vo/∆VIN VIN=Vo+1V ∼ Vo+6.
0V, Io=30mA − − Load Regulation 0.
03 ∆Vo/∆Io Io=0 ∼ 500mA − − Dropout Voltage Io=300mA 0.
18 0.
28 ∆VI−O − ein=200mVrms,f=1kHz, Io=10mA Ripple Rejection RR 75 − − Vo=3.
0V Version Average Temperature ∆Vo/∆Ta Ta=0∼85°C, Io=10mA ±50 − − Coefficient of Output Voltage f=10Hz∼80kHz, Io=10mA, Output Noise Voltage VNO 45 − − Vo=3.
0V Version (*note 1): The above specification is a com...


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