R1173 Datasheet, PDF (18/26 Pages) RICOH electronics devices division – Super low on resistance/Low voltage LDO

R1173x
R1173x301x
3.15
COUT=Ceramic 4.7μF
6
3.12
5
Input Voltage
3.09
4
3.06
3
3.03
2
3.00
Output Voltage
1
2.97
0
2.94
0 10 20 30 40 50 60 70 80 90 100
Time T(μs)
12) Load Transient Response (Tr=Tf=500ns)
R1173x081x
VIN=1.8V, CIN=COUT=Tantalum 4.7μF
1.04
600
0.98
Output Current
400
0.92
200
0.86
0
0.80
0.74
Output Voltage
0.68
0 10 20 30 40 50 60 70 80 90 100
Time T(μs)
R1173x081x
1.00
VIN=1.8V, CIN=COUT=Tantalum 4.7μF
40
0.96
Output Current
20
0.92
0
0.88
0.84
Output Voltage
0.80
0.76
0 10 20 30 40 50 60 70 80 90 100
Time T(μs)
R1173x501x
5.15
COUT=Ceramic 4.7μF
7
5.12
Input Voltage
6
5.09
5
5.06
4
5.03
3
5.00
Output Voltage
2
4.97
1
4.94
0
0 10 20 30 40 50 60 70 80 90 100
Time T(μs)
1.00
R1173x081x
VIN=1.8V, CIN=COUT=Tantalum 4.7μF
150
0.96
100
Output Current
0.92
50
0.88
0
0.84
Output Voltage
0.80
0.76
0 2 4 6 8 10 12 14 16 18 20
Time T(μs)
1.00
R1173x081x
VIN=1.8V, CIN=COUT=Tantalum 4.7μF,
COUT=Tantalum 10μF
40
0.96
Output Current
20
0.92
0
0.88
0.84
Output Voltage
0.80
0.76
0 10 20 30 40 50 60 70 80 90 100
Time T(μs)
18