NJM2845/46
ꢀTYPICAL CHARACTERISTICS (NJM2845)
NJM2845_3.0V
Output Noise Voltage vs. Output Current
NJM2845_3.0V
Quiescent Current vs. Input Voltage
100
80
60
40
20
0
2500
@:Ta=25oC
VIN=4.0V
LPF:80kHz
Co=2.2µF(ceramic)
@:Ta=25oC
Output is open.
Co=2.2µF(Ceramic)
2000
1500
1000
500
0
0
5
10
15
0.001
0.01
0.1
1
10
100
1000
Input Voltage : VIN(V)
Output Current : Io(mA)
NJM2845_3V
Ripple Rejection vs. Output Current
NJM2845_3.0V
Ripple Rejection Ratio vs. Frequency
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
Io=10mA
Io=0mA
f=1kHz
f=10kHz
Io=30mA
Io=100mA
@:Ta=25oC
VIN=4V
@:Ta=25oC
VIN=4V
ein=200mVrms
Co=2.2µF(Ceramic)
ein=200mVrms
Co=2.2µF(Ceramic)
0.001
0.01
0.1
1
10
100
1000
4
5
100k
1k
10k
10
10
100
100
1000
10
10
Output Current : Io(mA)
Frequency : f (Hz)
NJM2845_3.0V
Equivalent Serise Resistance vs. Output Current
100
@:Ta=25oC
Co=2.2µF(Ceramic)
VIN=4.0V
10
STABLE REGION
1
0.1
0.02
0.001
0.01
0.1
1
10
100
103
Output Current : Io(mA)
Ver.2008-02-06
- 9 -
NJRC [ NEW JAPAN RADIO ]
