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.
!
FEATURES
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High Ripple Rejection
75dB typ. (f=1kHz)
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Output Noise Voltage
Vno=45碌Vrms
"
Output capacitor with 2.2碌F ceramic capacitor
"
Output Current
Io(max.)=500mA
"
High Precision Output
Vref=1.27V鹵1.0%
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Low Dropout Voltage
0.18V typ. (Io=300mA)
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ON/OFF Contorol
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Internal Short Circuit Current Limit
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Internal Thermal Overload Protection
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Bipolar Technology
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Package Outline
TO-252-5
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PIN CONFIGURATION
3
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PACKAGE OUTLINE
NJM2887DL2
12345
PIN FUNCTION
1.CONTROL
2. V
IN
3.GND
4.V
OUT
5.V
ADJ
NJM2887DL2
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EQUIVALENT CIRCUIT
V
IN
Control
Bandgap
Reference
V
ADJ
Thermal
Protection
V
OUT
GND
Ver.2004-01-16
-1-