NJM2871/A, NJM2872/A

LOW DROPOUT VOLTAGE REGULATOR

s GENERAL DESCRIPTION

s PACKAGE OUTLINE

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 FEATURES

qHigh Ripple Rejection

70dB typ. (f=1kHz)

qOutput Noise Voltage

Vno=30

µVrms (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

15

2

34

15

2

34

NJM2871F/AF

NJM2872F/AF

s EQUIVALENT CIRCUIT

GND

Thermal

Protection

Bandgap

Reference

Noise

Bypass

Cont

NJM2871F/AF

NJM2872F/AF

PIN FUNCTION

1. CONTROL (Active High)

2. GND

3. NOISE BYPASS

PIN FUNCTION

2.GND

3.CONTROL (Active High)

4.NOISE BYPASS