R1126N151B Datasheet, PDF (14/23 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

R1126N
10) Input Transient Response (IOUT=30mA, CIN= none, tr=tf=5µs, COUT = Ceramic 1µF)
R1126N151x
R1126N281x
1.55
4
2.85
6
1.54
Input Voltage
3
2.84
5
1.53
2
2.83
Input Voltage
4
1.52
1
2.82
3
1.51
Output Voltage
1.50
0
2.81
2
Output Voltage
2.80
1
1.49
2.79
0
1.48
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
2.78
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
R1126N401x
4.05
7
4.04
6
4.03
Input Voltage
5
4.02
4
4.01
3
Output Voltage
4.00
2
3.99
1
3.98
0
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
11) Load Transient Response (tr=tf=0.5µs, CIN=Ceramic 1µF)
R1126N151x
VIN=2.5V,COUT=Ceramic 1.0µF
1.9
60
1.9
R1126N151x
VIN=2.5V,COUT=Ceramic 2.2µF
60
1.8
30
1.8
30
1.7
0
Output Current 0mA↔30mA
1.6
1.5
Output Voltage
1.7
0
Output Current 0mA↔30mA
1.6
1.5
Output Voltage
1.4
1.4
1.3
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
1.3
0 10 20 30 40 50 60 70 80 90 100
Time t(µs)
14