R1161N081A Datasheet, PDF (25/44 Pages) RICOH electronics devices division – 3-MODE 300mA LDO REGULATOR

11) Load Transient Response (tr=tf=0.5Ps)
R1161x08xx (ECO=H)
VIN=1.8V
CIN= tantalum 1.0PF,COUT = tantalum 1.0PF
1.2
150
1.1
100
Load Current
1.0
50
0.9
0
0.8
Output Voltage
0.7
-50
-100
0.6
-150
0 5 10 15 20 25 30 35 40
Time t (µs)
R1161x08xx (ECO=H)
VIN=1.8V,
CIN = tantalum 1.0PF COUT = tantalum 2.2PF
1.2
60
1.1
30
Load Current
1.0
0
0.9
-30
0.8
-60
Output Voltage
0.7
-90
0.6
-120
0 5 10 15 20 25 30 35 40
Time t (µs)
R1161x08xx (ECO=L)
VIN=1.8V,
CIN = tantalum 1.0PF COUT = Tantalum 2.2PF
3.0
20
2.5
10
Load Current
2.0
0
1.5
-10
1.0
-20
0.5
Output Voltage
-30
0
-40
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Time t (ms)
R1161x
R1161x08xx (ECO=H)
VIN=1.8V
CIN = tantalum 1.0PF, COUT = tantalum 1.0PF
1.2
60
1.1
30
Load Current
1.0
0
0.9
-30
0.8
-60
Output Voltage
0.7
-90
0.6
-120
0 5 10 15 20 25 30 35 40
Time t (µs)
R1161x08xx (ECO=L)
VIN=1.8V,
CIN = tantalum 1.0PF COUT= tantalum 1.0PF
3.0
20
2.5
10
Load Current
2.0
0
1.5
-10
1.0
-20
0.5
Output Voltage
-30
0
-40
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
Time t (ms)
R1161x10xx (ECO=H)
VIN=2.0V,
CIN = Ceramic 1.0PF COUT= Ceramic 1.0PF
1.4
150
1.3
100
Load Current
1.2
50
1.1
0
1.0
-50
Output Voltage
0.9
-100
0.8
-150
0 5 10 15 20 25 30 35 40
Time t (µs)
25