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NJM2890R Datasheet(PDF) 7 Page - New Japan Radio

Part # NJM2890R
Description  2ch LOW DROPOUT VOLTAGE REGULATOR
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Manufacturer  NJRC [New Japan Radio]
Direct Link  http://www.jrc.co.jp/eng/index.html
Logo NJRC - New Japan Radio

NJM2890R Datasheet(HTML) 7 Page - New Japan Radio

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NJM2890
ELECTRICAL CHARACTERISTICS
-50
-40
-30
-20
-10
0
0
50
100
150
200
Output Current : Io(mA)
Output Current : Io(mA)
Output Current : Io(mA)
Output Current : Io(mA)
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
Load Regulation vs. Output Current
Load Regulation vs. Output Current
Load Regulation vs. Output Current
Load Regulation vs. Output Current
@:Ta=25oC
VIN=4V
Co=1.0
µF(Ceramic)
Cp=0.01
µF
0
500
1000
1500
2000
0
5
10
15
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
Quiescent Current v.s. Input Voltage1
Quiescent Current v.s. Input Voltage1
Quiescent Current v.s. Input Voltage1
Quiescent Current v.s. Input Voltage1
@:Ta=25oC
Output is open.
Co=1.0
µF(Ceramic)
Cp=0.01
µF
including Icont
Input Voltage : V
Input Voltage : V
Input Voltage : V
Input Voltage : VIN
IN
IN
IN
(V)
(V)
(V)
(V)
0
50
100
150
200
250
300
Noise Bypass Capacitor : Cp(F)
Noise Bypass Capacitor : Cp(F)
Noise Bypass Capacitor : Cp(F)
Noise Bypass Capacitor : Cp(F)
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
Output Noise Voltage vs. Noise Bypass Capacitor
Output Noise Voltage vs. Noise Bypass Capacitor
Output Noise Voltage vs. Noise Bypass Capacitor
Output Noise Voltage vs. Noise Bypass Capacitor
@:Ta=25oC
VIN=4.0V
Co=1.0
µF(Ceramic)
1p
10p
100p
1000p
0.1m
0.01m
0
20
40
60
80
100
0.001
0.01
0.1
1
10
100
Output Current : Io(mA)
Output Current : Io(mA)
Output Current : Io(mA)
Output Current : Io(mA)
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
Output Noise Voltage vs. Output Current
Output Noise Voltage vs. Output Current
Output Noise Voltage vs. Output Current
Output Noise Voltage vs. Output Current
Co=2.2
µF(Ceramic)
@:Ta=25oC
VIN=4.0V
Cp=0.01
µF
LPF:100kHz
Co=1.0
µF(Ceramic)
30
40
50
60
70
80
90
Frequency : f (Hz)
Frequency : f (Hz)
Frequency : f (Hz)
Frequency : f (Hz)
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
NJM2890_3.0V
Ripple Rejection Ratio vs. Frequency
Ripple Rejection Ratio vs. Frequency
Ripple Rejection Ratio vs. Frequency
Ripple Rejection Ratio vs. Frequency
Io=0mA
Io=10mA
Io=30mA
@:Ta=25oC
Co=1.0
µF(Ceramic)
Cp=0.01
µF
VIN=4V
ein=200mVrms
10
100
1k
10k
100k


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