NJM2845 New Japan Radio Co., Ltd., NJM2845 Datasheet - Page 7

• Manufacturer Part Number: NJM2845
• Description: LOW DROPOUT VOLTAGE REGULATOR
• Manufacturer: New Japan Radio Co., Ltd.

Ver.2005-01-20
TYPICAL CHARACTERISTICS (NJM2845)
-10
-20
-30
-40
-50
-60
-70
-80
3.3
3.2
3.1
2.9
2.8
2.7
35
30
25
20
15
10
5
0
0
3
2.7
0
0
@:Ta=25
V
Co=2.2 F(Ceramic)
IN
=4.0V
Ground Pin Current vs. Output Current
2.8
Load Regulation vs. Output Current
o
C
200
200
Io=0A
Output Voltage vs. Input Voltage
Output Current : Io(m A)
Output Current : I
2.9
Input Voltage : V
NJM2845_3.0V
NJM2845_3.0V
400
400
NJM2845_3.0V
3
600
600
Io=500mA
O
(mA)
IN
@:Ta=25
@:Ta=25
3.1
(V)
Io=200mA
V
Co=2.2 F(Ceramic)
Co=2.2 F(Ceramic)
IN
=4.0V
o
800
800
o
C
C
3.2
1000
1000
3.3
3.5
2.5
1.5
0.5
2500
2000
1500
1000
0.35
0.25
0.15
0.05
500
4
3
2
1
0
0.3
0.2
0.1
0
0
0
4
0
@:Ta=25
Co=2.2 F
Peak Output Current vs. Input Voltage
o
200
Output Voltage vs. Output Current
C
Dropout Voltage vs. Output Current
6
500
(Ceramic)
Output Current : Io(mA)
Output Current:Io(mA)
Input Voltage : V
NJM2845_3.0V
400
NJM2845_3.0V
8
NJM2845_3V
1000
NJM2845/46
600
10
@:Ta=25
IN
@:Ta=25
(V)
V
Co=2.2 F(Ceramic)
Co=2.2 F(Ceramic)
IN
1500
=4V
o
800
C
o
12
C
2000
1000
14
- 7 -