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PDF NJM2863 Data sheet ( Hoja de datos )

Número de pieza NJM2863
Descripción (NJM2863 / NJM2864) Ultra Low Noise Low Dropout Voltage Regulator
Fabricantes New Japan Radio 
Logotipo New Japan Radio Logotipo



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No Preview Available ! NJM2863 Hoja de datos, Descripción, Manual

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NJM2863/64
Ultra Low Noise Low Dropout Voltage Regulator
! GENERAL DESCRIPTION
The NJM2863/64 is a 2ch low dropout voltage regulator designed
for VCO Applications.
Advanced Bipolar technology achieves low noise, high ripple
rejection and low quiescent current.
! PACKAGE OUTLINE
NJM2863F/64F
! FEATURES
" High Ripple Rejection
75dB typ. (f=1kHz)
" Output capacitor with 1.0µF ceramic capacitor
" Output Noise Voltage
Vno=19µVrms typ. (Cp=0.01µF, Co=1.0µF(Ceramic))
Vno=12µVrms typ. (Cp=0.1µF, Co=10µF(Tantalum))
" Output Current
Io(max.)=100mA
" High Precision Output
Vo±1.0%
" Low Dropout Voltage
0.10V typ. (Io=60mA)
" ON/OFF Control
(Active High)
" Internal Short Circuit Current Limit
" Internal Thermal Overload Protection
" Bipolar Technology
" Package Outline
MTP5
! PIN CONFIGURATION
54
123
PIN FUNCTION
1.CONTROL
2.GND
3.NOISE BYPASS
4.VOUT
5.VIN
NJM2863F
! EQUIVALENT CIRCUIT
VIN
Control
Bandgap
Reference
1.VIN
2.GND
3.CONTROL
4.NOISE BYPASS
5.VOUT
NJM2864F
Thermal
Protection
VOUT
Noise
Bypass
GND
! OUTPUT VOLTAGE RANK LIST
Device Name
NJM286×F21
VOUT
2.1V
Device Name
NJM286×F29
NJM286×F25 2.5V NJM286×F03
NJM286×F27 2.7V NJM286×F33
NJM286×F28 2.8V NJM286×F05
NJM286×F285
2.85V
VOUT
2.9V
3.0V
3.3V
5.0V
Ver.2004-01-20
-1-

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NJM2863 pdf
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NJM2863/64
! ELECTRICAL CHARACTERISTICS
NJM2863/64_3.0V
Output Noise Voltage vs. Noise Bypass Capacitor
300
@:Ta=25oC
VIN=4V
250 Co=1uF(Ceramic)
Io=10mA
200
150
100
50
0
1p
10p
100p
1000p
0.01u
0.1u
Noise Bypass Capacitor : Cp(F)
NJM2863/64_3.0V
Ripple Rejection Ratio v.s. Frequency
90
80
Io=10mA
70
Io=30mA
60
50
40
@:Ta=25oC
VIN=4.0V
30 ein=200mVrms
Co=1.0uF(Ceramic)
Cp=0.01uF
20
10
100 1k
Frequency :f [Hz]
10k
100k
NJM2863/64_3.0V
Output Noise Voltage vs. Output Current
100
@:Ta=25oC
VIN=4.0V
LPF:80kHz
80
60
40 Co=1.0uF(Ceramic)
Cp=0.01uF
20
0
0.001
Co=10uF(Tantalum)
Cp=0.1uF
0.01
0.1
1
10
Output Current :Io [mA]
100
NJM2863/64_3.0V
Ripple Rejection vs. Output Current
100
90
f=1kHz
80
70
60
50
f=10kHz
40 @:Ta=25oC
VIN=4V
ein=200mVrms
30 Co=1.0uF(Ceramic)
Cp=0.01uF
20
0.001
0.01
0.1
1
Output Current : Io(mA)
10
100
NJM2863/64_3.0V
Equivalent Series Resistance vs. Output Current
100
@:Ta=25oC
VIN=4V
Co=1.0uF(Ceramic)
Cp=0.01uF
10
STABLE REGION
1
0.1
0.02
0.001
0.01
0.1
1
10
Output Current :Io [mA]
100
Ver.2004-01-20
-5-

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