NJM2855 New Japan Radio Co.,Ltd, NJM2855 Datasheet - Page 6

• Manufacturer Part Number: NJM2855
• Description: Njm2855 Low Dropout Voltage Regulator
• Manufacturer: New Japan Radio Co.,Ltd

6
TYPICAL CHARACTERISTICS
100
0.02
6000
5000
3000
2000
1000
4000
90
80
70
60
50
40
30
20
100
0.1
10
1
0.001
10
0
0
@: Ta=25
@:Ta=25
Equivalent Serise Resistance vs. Output Current
V
ein=200mVrms
Co=2.2 F(Ceramic)
IN
Co=2.2 F(Ceramic)
V
=4V
IN
1
=4V
0.01
Ripple Rejection Ratio vs. Frequency
o
C
o
Quiescent Current vs. Input Voltage
Io=100mA
C
100
2
Io=10mA
Output Current : Io(mA)
0.1
Input Voltage : V
NJM2855_3.0V
STABLE REGION
Frequency : f (Hz)
NJM2855_3.0V
NJM2855_3.0V
3
1k
1
4
Io=30mA
Io=0mA
IN
5
(V)
@:Ta=25
10
Output is open.
Co=2.2 F(Ceramic)
10k
6
o
C
100
V
IN
7
=4V
10
8
100
3
100
100
80
60
40
20
90
80
70
60
50
40
30
20
0
0.001
0.001
@:Ta=25
f=10kHz
@:Ta=25
V
ein=200mVrms
Co=2.2 F(Ceramic)
V
LPF:80kHz
Co=2.2 F(ceramic)
IN
IN
=4V
Output Noise Voltage vs. Output Current
=4.0V
0.01
0.01
o
Ripple Rejection vs. Output Current
C
o
C
Output Current : Io(mA)
Output Current : Io(mA)
0.1
0.1
NJM2855_3.0V
NJM2855_3.0V
1
1
10
10
f=1kHz
NJM2855
100
100
Ver.2008-06-16
1000
1000