R1161N081A Datasheet, PDF (20/44 Pages) RICOH electronics devices division – 3-MODE 300mA LDO REGULATOR

R1161x
8) Ripple Rejection vs. Input Bias (Topt=25qC CIN=none, COUT=Ceramic 1.0PF Ripple 0.2VP-P)
R1161x26xx (IOUT=1mA)
R1161x26xx (IOUT=30mA)
80
80
70
70
60
60
50
50
40
40
30
20
10
0
2.6
f = 400Hz
f = 1kHz
f = 10kHz
f = 100kHz
2.7 2.8 2.9 3.0 3.1 3.2
Input Voltage VIN (V)
30
20
10
0
2.6
f = 400Hz
f = 1kHz
f = 10kHz
f = 100kHz
2.7 2.8 2.9 3.0 3.1 3.2
Input Voltage VIN (V)
R1161x26xx (IOUT=50mA)
80
70
60
50
40
30
20
10
0
2.6
f = 400Hz
f = 1kHz
f = 10kHz
f = 100kHz
2.7 2.8 2.9 3.0 3.1 3.2
Input Voltage VIN (V)
9) Ripple Rejection vs. Frequency (CIN=none)
R1161x08xx (ECO=H)
VIN=1.8VDC+0.2Vp-p,
COUT=Tantal 1.0PF
100
90
80
70
60
50
40
IOUT = 1mA
30
IOUT = 30mA
20
10
IOUT = 50mA
0
0.1
1
10
100
Frequency f (kHz)
100
90
80
70
60
50
40
30
20
10
0
0.1
R1161x08xx (ECO=L)
VIN=1.8VDC+0.2Vp-p,
COUT = Tantal 1.0PF
IOUT = 1mA
IOUT = 30mA
IOUT = 50mA
1
10
100
Frequency f (kHz)
20