rp200x RICOH Co.,Ltd., rp200x Datasheet - Page 18

• Manufacturer Part Number: rp200x
• Description: 3-mode 300ma Ldo Regulator
• Manufacturer: RICOH Co.,Ltd.

18
RP200x
11) Input Transient Response (C1=none, C2=1.0μF, tr=tf=5μs, T
0.86
0.84
0.82
0.80
0.78
0.76
0.74
2.88
2.86
2.84
2.82
2.80
2.78
2.76
2.74
120
100
80
60
40
20
0
0.1
0
0
(Auto ECO Low Power Mode)
(Auto ECO Low Power Mode)
0.2
0.2
Input Voltage
Input Voltage
Output Voltage
Output Voltage
1
Frequency f (kHz)
0.4
0.4
RP200x28xx
RP200x08xx
RP200x28xx
Time t (ms)
Time t (ms)
0.6
0.6
10
0.8
0.8
I
I
I
I
OUT
OUT
OUT
OUT
V
1.0
1.0
IN
V
V
=1mA (AE="L")
=1mA (AE="H")
=30mA
=50mA
IN
IN
=3.8V+0.2Vp-p
=1.8V
=3.8V
1.2
1.2
100
I
I
1.4
1.4
OUT
OUT
=1mA
=1mA
1.6
1.6
2.8V
4.8V
1000
1.8
1.8
4
3
2
1
0
6
5
4
3
2
1
0
120
100
1.85
1.83
1.81
1.79
1.77
1.75
1.73
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
80
60
40
20
0
0.1
0
0
(Auto ECO Low Power Mode)
(Auto ECO Low Power Mode)
Output Voltage
0.2
0.2
opt
Input Voltage
Input Voltage
Output Voltage
1
Frequency f (kHz)
0.4
0.4
=25°C)
RP200x40xx
RP200x18xx
RP200x40xx
Time t (ms)
Time t (ms)
0.6
0.6
10
0.8
0.8
I
I
I
I
OUT
OUT
OUT
OUT
V
V
V
1.0
1.0
IN
IN
=1mA (AE="L")
=1mA (AE="H")
=30mA
=50mA
=5.0V+0.2Vp-p
IN
=4.5V
=2.8V
1.2
1.2
100
I
I
1.4
1.4
OUT
OUT
=1mA
5.25V
=1mA
1.6
1.6
3.8V
1000
1.8
1.8
5
4
3
2
1
0
6
5
4
3
2
1
0