NJM2887 Ver la hoja de datos (PDF) - Japan Radio Corporation
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NJM2887 Datasheet PDF : 5 Pages
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NJM2887
ADJUSTABLE LOW DROPOUT VOLTAGE REGULATOR
! GENERAL DESCRIPTION
The NJM2887 is an adjustable low dropout voltage
regulator with ON/OFF control.
Advanced Bipolar technology achieves low noise, high
ripple rejection and low quiescent current.
It is suitable for DVD, FAX and Car Audio.
! PACKAGE OUTLINE
NJM2887DL2
! FEATURES
" High Ripple Rejection
75dB typ. (f=1kHz)
" Output Noise Voltage
Vno=45µVrms
" Output capacitor with 2.2µF ceramic capacitor
" Output Current
Io(max.)=500mA
" High Precision Output
Vref=1.27V±1.0%
" Low Dropout Voltage
0.18V typ. (Io=300mA)
" ON/OFF Contorol
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
TO-252-5
! PIN CONFIGURATION
3
12345
PIN FUNCTION
1.CONTROL
2. VIN
3.GND
4.VOUT
5.VADJ
NJM2887DL2
! EQUIVALENT CIRCUIT
VIN
Control
Bandgap
Reference
Thermal
Protection
VOUT
VADJ
GND
Ver.2004-01-16
-1 -
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