rp200x RICOH Co.,Ltd., rp200x Datasheet - Page 19

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

12) Load Transient Response (C1=1.0μF, C2=1.0μF, tr=tf=0.5μs, T
0.798
0.796
0.794
0.792
0.790
2.802
2.800
2.798
2.796
2.794
0.90
0.85
0.80
0.75
0.70
0.65
0.60
Auto ECO (Low Power Mode↔Fast Mode)
RP200x08xx
RP200x28xx
0
0
0
Output Current
0mA
50
0.2
0.2
Output Voltage
Input Voltage
Input Voltage
Output Voltage
Output Voltage
100
0.4
0.4
RP200x08xx
30mA
150
Time t (μs)
Time t (ms)
Time t (ms)
0.6
0.6
200
(Fixed Fast Mode)
(Fixed Fast Mode)
0.8
0.8
250
1.0
1.0
V
V
IN
IN
=1.8V
=3.8V
300
1.2
1.2
I
I
350400
OUT
OUT
V
1.4
1.4
IN
AE=0V
=30mA
=30mA
=1.8V
1.6
1.6
2.8V
4.8V
450
1.8
1.8
45
30
15
0
4
3
2
1
0
6
5
4
3
2
1
0
1.798
1.796
1.794
1.792
1.790
1.788
4.001
3.999
3.997
3.995
3.993
3.991
1.85
1.80
1.75
1.70
1.65
1.60
Auto ECO (Low Power Mode↔Fast Mode)
RP200x18xx
RP200x40xx
0
Output Current
0mA
0
0
50
0.2
0.2
Output Voltage
Input Voltage
Input Voltage
Output Voltage
Output Voltage
100
opt
0.4
0.4
30mA
RP200x18xx
=25°C)
150
Time t (μs)
0.6
Time t (ms)
0.6
Time t (ms)
200
(Fixed Fast Mode)
(Fixed Fast Mode)
0.8
0.8
V
250
V
1.0
1.0
IN
IN
=4.5V
=2.8V
300
1.2
1.2
I
I
350400
OUT
OUT
V
1.4
1.4
IN
AE=0V
=30mA
=30mA
=2.8V
5.25V
1.6
1.6
3.8V
450
1.8
1.8
RP200x
45
30
15
0
5
4
3
2
1
0
6
5
4
3
2
1
0
19