r1115z RICOH Co.,Ltd., r1115z Datasheet - Page 16

• Manufacturer Part Number: r1115z
• Description: Low Noise 150ma Ldo Regulator
• Manufacturer: RICOH Co.,Ltd.

16
9) Ripple Rejection vs. Frequency (C
R1115Z
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.1
0.1
0.1
R1115Z151x
R1115Z281x
R1115Z401x
I
I
I
I
I
I
I
I
I
Frequency f(kHz)
Frequency f(kHz)
Frequency f(kHz)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
1
1
1
=1mA
=30mA
=50mA
=1mA
=30mA
=50mA
=1mA
=30mA
=50mA
C
C
V
V
V
C
OUT
OUT
IN
IN
IN
OUT
=2.5V
=3.8V
=5.0V
=Ceramic 0.47 F
=Ceramic 0.47 F
=Ceramic 1.0 F
10
10
10
IN
DC
DC
DC
= none)
+0.5Vp-p,
+0.5Vp-p,
+0.5Vp-p,
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0.1
0.1
0.1
R1115Z151x
R1115Z281x
R1115Z401x
I
I
I
I
I
I
I
I
I
Frequency f(kHz)
Frequency f(kHz)
Frequency f(kHz)
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
1
1
1
=1mA
=30mA
=50mA
=1mA
=30mA
=50mA
=1mA
=30mA
=50mA
V
C
V
C
C
V
IN
IN
OUT
OUT
OUT
IN
=2.5V
=3.8V
=5.0V
=Ceramic 2.2 F
=Ceramic 1.0 F
=Ceramic 1.0 F
10
10
10
DC
DC
DC
+0.5Vp-p,
+0.5Vp-p,
+0.5Vp-p,
100
100
100