NJM2871/A, NJM2872/A
LOW DROPOUT VOLTAGE REGULATOR
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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.
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PACKAGE OUTLINE
NJM2871F/AF
NJM2872F/AF
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FEATURES
qHigh
Ripple Rejection
70dB typ. (f=1kHz)
qOutput
Noise Voltage
Vno=30碌Vrms (Cp=0.01碌F)
qOutput
capacitor with 1.0uF ceramic capacitor (Vo鈮?.7V)
qOutput
Current
Io(max.)=150mA
qHigh
Precision Output
Vo鹵2%
Vo鹵1%:A Version
qLow
Dropout Voltage
0.10V typ. (Io=60mA)
qON/OFF
Control
(Active High)
qOperating
Voltage Range +2.5V鈭?14V (Vo鈮?.0V version)
qInternal
Short Circuit Current Limit
qInternal
Thermal Overload Protection
qBipolar
Technology
qPackage
Outline
MTP5 (MTP5:2.8脳2.9脳1.1mm)
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PIN CONFIGURATION
1
2
3
4
5
NJM2871F/AF
PIN FUNCTION
5
1. CONTROL (Active High)
1
2
2. GND
3. NOISE BYPASS
3
4
4. V
OUT
5. V
IN
NJM2872F/AF
PIN FUNCTION
1.V
IN
2.GND
3.CONTROL (Active High)
4.NOISE BYPASS
5.V
OUT
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EQUIVALENT CIRCUIT
V
IN
Cont
Thermal
Protection
V
OUT
Noise
Bypass
Bandgap
Reference
GND