R1124N Ricoh Corporation, R1124N Datasheet - Page 13

• Manufacturer Part Number: R1124N
• Description: Low Noise 150mA LDO Regulator
• Manufacturer: Ricoh Corporation

7)
8)
Dropout Voltage vs. Set Output Voltage (Topt=25°C)
Ripple Rejection vs. Input Bias Voltage (Topt=25°C, C
0.60
0.50
0.40
0.30
0.20
0.10
0.00
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
1.0
2.9
2.9
1.5
Set Output Voltage V
3.0
3.0
R1124N281x
R1124N281x
Input Voltage V
Input Voltage V
2.0
Ripple 0.2Vp-p, I
Ripple 0.2Vp-p, I
3.1
2.5
3.1
3.0
IN
IN
REG
(V)
(V)
f=1kHz
f=10kHz
f=100kHz
f=1kHz
f=10kHz
f=100kHz
3.2
3.2
OUT
OUT
10mA
30mA
50mA
150mA
(V)
3.5
=30mA
=1mA
4.0
3.3
3.3
IN
=none, Cout=ceramic0.47µF)
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
2.9
2.9
3.0
3.0
R1124N281x
R1124N281x
Input Voltage V
Input Voltage V
Ripple 0.5Vp-p, I
Ripple 0.5Vp-p, I
3.1
3.1
IN
IN
(V)
(V)
f=1kHz
f=10kHz
f=100kHz
f=1kHz
f=10kHz
f=100kHz
3.2
3.2
OUT
OUT
=30mA
=1mA
R1124N
3.3
3.3
13