NJM2871 데이터 시트보기 (PDF) - Japan Radio Corporation
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NJM2871 Datasheet PDF : 8 Pages
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NJM2871/A, NJM2872/A
LOW DROPOUT VOLTAGE REGULATOR
s GENERAL DESCRIPTION
The NJM2871/A, NJM2872/A are low dropout voltage
regulators designed for cellular phone application.
Advanced Bipolar technology achieves low noise, high
ripple rejection and low quiescent current.
s PACKAGE OUTLINE
NJM2871F/AF
NJM2872F/AF
s FEATURES
qHigh Ripple Rejection 70dB typ. (f=1kHz)
qOutput Noise Voltage Vno=30µVrms (Cp=0.01µF)
qOutput capacitor with 1.0uF ceramic capacitor (Vo≥2.7V)
qOutput Current
Io(max.)=150mA
qHigh Precision Output Vo±2%
Vo±1%:A Version
qLow Dropout Voltage
0.10V typ. (Io=60mA)
qON/OFF Control
(Active High)
qOperating Voltage Range +2.5V∼+14V (Vo≤2.0V version)
qInternal Short Circuit Current Limit
qInternal Thermal Overload Protection
qBipolar Technology
qPackage Outline
MTP5 (MTP5:2.8×2.9×1.1mm)
s PIN CONFIGURATION
1
5
2
3
4
NJM2871F/AF
PIN FUNCTION
1. CONTROL (Active High)
2. GND
3. NOISE BYPASS
4. VOUT
5. VIN
1
5
2
3
4
NJM2872F/AF
PIN FUNCTION
1.VIN
2.GND
3.CONTROL (Active High)
4.NOISE BYPASS
5.VOUT
s EQUIVALENT CIRCUIT
VIN
Cont
GND
Thermal
Protection
Bandgap
Reference
VOUT
Noise
Bypass
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