R1172N081A Datasheet, PDF (20/36 Pages) RICOH electronics devices division – SUPER LOW ON RESISTANCE / LOW VOLTAGE 1A LDO

R1172x
R1172x501x
6.00
VIN=6.0V,CIN=COUT= Ceramic 4.7µF
600
5.75
400
Output Current
5.50
200
5.25
0
5.00
4.75
Output Voltage
4.50
0 40 80 120 160 200 240 280 320 360 400
Time t(µs)
5.20
R1172x501x
VIN=6.0V,CIN=COUT= Ceramic 4.7µF
40
5.15
20
Output Current
5.10
0
5.05
5.00
4.95
Output Voltage
4.90
0 40 80 120 160 200 240 280 320 360 400
Time t(µs)
13) Turn-on speed with CE pin control
R1172x081x
VIN=1.8V,CIN=COUT= Tantalum 4.7µF
1.8
2.0
1.6
1.6
1.4
1.2
1.2
0.8
1.0
0.4
0.8
0.0
0.6
0.4
IOUT=0mA
0.2
IOUT=100mA
IOUT=300mA
0.0
VCE
-20 0 20 40 60 80 100 120 140 160 180
Time t(µs)
5.20
5.16
5.12
5.08
R1172x501x
VIN=6.0V,CIN=COUT= Ceramic 4.7µF
150
100
Output Current
50
0
5.04
Output Voltage
5.00
4.96
0 2 4 6 8 10 12 14 16 18 20
Time t(µs)
R1172x501x
VIN=6.0V,CIN=COUT= Ceramic 4.7µF
10
8
8
6
6
4
4
2
0
-40 0
2
IOUT=0mA
0
IOUT=100mA
IOUT=300mA
VIN(V)
60
160
260
360
Time t(µs)
20