NJM2846 New Japan Radio, NJM2846 Datasheet - Page 12

• Manufacturer Part Number: NJM2846
• Description: (NJM2845 / NJM2846) LOW DROPOUT VOLTAGE REGULATOR
• Manufacturer: New Japan Radio

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NJM2845/46
- 12 -
TYPICAL CHARACTERISTICS (NJM2846)
2500
2000
1500
1000
-10
-20
-30
-40
-50
-60
-70
-80
500
100
90
80
70
60
50
40
30
20
0
0
0
0
10
@:Ta=25
@:Ta=25
V
Co=2.2 F(Ceramic)
V
ein=200mVrms
Co=2.2 F
IN
IN
=4.0V
=4.0V
Ripple Rejection Ratio v.s. Frequency
200
Load Regulation vs. Output Current
o
Quiescent Current v.s. Input Voltage
o
C
C
(Ceramic)
100
Io=100mA
Output Current : Io(mA)
Input Voltage : V
5
Frequency : f (Hz)
Io=10mA
400
NJM2846_3.0V
NJM2846_3.0V
NJM2846_3.0V
1k
Io=30mA
600
IN
Io=0mA
(V)
@:Ta=25
10
Output is open.
Co=2.2 F(Ceramic)
including Icont
10k
800
o
C
1000
100k
15
2500
2000
1500
1000
100
100
500
80
60
40
20
90
80
70
60
50
40
30
20
0
0.001
0.001
0
4
@:Ta=25
f=1kHz
V
ein=200mVrms
Co=2.2 F(Ceramic)
IN
=4.0V
0.01
0.01
Output Noise Voltage vs. Output Current
Peak Output Current vs. Input Voltage
o
C
Ripple Rejection vs. Output Current
6
Output Current : Io(mA)
Output Current : Io(mA)
0.1
0.1
Input Voltage : V
f=10kHz
NJM2846_3.0V
NJM2846_3.0V
NJM2846_3.0V
8
1
1
10
@:Ta=25
IN
@:Ta=25
10
10
(V)
V
LPF:80kHz
Co=2.2 F(ceramic)
Co=2.2 F(Ceramic)
IN
=4.0V
o
o
C
C
12
100
100
Ver.2005-01-20
1000
1000
14