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NJM2863 の電気的特性と機能

NJM2863のメーカーはNew Japan Radioです、この部品の機能は「(NJM2863 / NJM2864) Ultra Low Noise Low Dropout Voltage Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 NJM2863
部品説明 (NJM2863 / NJM2864) Ultra Low Noise Low Dropout Voltage Regulator
メーカ New Japan Radio
ロゴ New Japan Radio ロゴ 




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NJM2863 Datasheet, NJM2863 PDF,ピン配置, 機能
www.DataSheet4U.com
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-

1 Page





NJM2863 pdf, ピン配列
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NJM2863/64
! TYPICALAPPLICATION
1 In the case where ON/OFF Control is not required:
VIN VIN VOUT
0.1µF
R
(0300k)
NJM2863/64
NOISE
CONTROL BYPASS
GND
VOUT
1.0µF (ceramic)
OR
2.2µF: Vo2.6V
Cp=0.01µF
Connect control terminal to VIN terminal
The quiescent current can be reduced by using a resistance “R”. Instead, it increases the minimum operating
voltage. For further information, please refer to Figure “Output Voltage vs. Control Voltage”.
2 In use of ON/OFF CONTROL:
VIN VIN VOUT
0.1µF
NJM2863/64
R
NOISE
CONTROL BYPASS
GND
VOUT
1.0µF (ceramic)
OR
2.2µF: Vo2.6V
Cp=0.01µF
State of control terminal:
“H”output is enabled.
“L” or “open” output is disabled.
%Noise bypass Capacitance Cp
Noise bypass capacitance Cp reduces noise generated by band-gap reference circuit.
Noise level and ripple rejection will be improved when larger Cp is used.
Use of smaller Cp value may cause oscillation.
Use the Cp value of 0.01µF greater to avoid the problem.
Ver.2004-01-20
-3-


3Pages


NJM2863 電子部品, 半導体
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! ELECTRICAL CHARACTERISTICS
NJM2863/64_3.0V
Dropout Voltage v.s. Temperature
0.3
0.25
@:Io=60mA
Co=1.0uF(Ceramic)
Cp=0.01uF
0.2
0.15
0.1
0.05
0
-50 0 50 100
Temperature :Ta ["C]
NJM2863/64_3.0V
Output Voltage v.s. Temperature
3.5
3
2.5
2
1.5
1
@:VIN=4.0V
0.5 Io=30mA
Co=1.0uF(Ceramic)
Cp=0.01uF
0
-50
0
50 100
Temperature :Ta ["C]
150
150
200
NJM2863/64_3.0V
Control Voltage v.s. Temperature
2
@:VIN=4.0V
Output is open.
Co=1.0uF(Ceramic)
Cp=0.01uF
1.5
1
0.5
0
-50
300
250
200
0 50 100
Temperature :Ta ["C]
150
NJM2863/64_3.0V
Quiescent Current v.s. Temperature
@:VIN=4.0V
Output is open.
Co=1.0uF(Ceramic)
Cp=0.01uF
150
100
50
0
-50 0
50 100 150
Temperature :Ta ["C]
-6-
Ver.2004-01-20

6 Page



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共有リンク

Link :


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