Datasheet

REG101
6
SBVS026D
TTYPICAL CHARACTERISTICS (Cont.)
For all models, at T
J
= +25°C and V
ENABLE
= 1.8V, unless otherwise noted.
10 100 1k 10k 100k
10
1
0.1
0.01
e
N
(µV/√Hz)
Frequency (Hz)
NOISE SPECTRAL DENSITY
I
OUT
= 100mA
C
NR
= 0µF
C
OUT
= 1µF
C
OUT
= 0µF
C
OUT
= 10µF
10 100 1k 10k 100k
10
1
0.1
0.01
e
N
(µV/√Hz)
Frequency (Hz)
NOISE SPECTRAL DENSITY
I
OUT
= 100mA
C
NR
= 0.01µF
C
OUT
= 1µF
C
OUT
= 0µF
C
OUT
= 10µF
0 0.1 0.40.2 0.3 0.5 0.6 0.7 10.8 0.9
30
25
20
15
10
5
0
Ripple Rejection (dB)
V
IN
- V
OUT
(V)
RIPPLE REJECTION vs (V
IN
– V
OUT
)
REG101-3.3
Frequency = 100kHz
C
OUT
= 10µF
I
OUT
= 100mA
0.1
110
60
50
40
30
20
10
0
Noise Voltage (µVrms)
C
OUT
(µF)
RMS NOISE VOLTAGE vs C
OUT
REG101-5.0
REG101-3.3
REG101-2.5
C
NR
= 0.01µF
10Hz < BW < 100kHz
110 1k
100 10k
110
100
90
80
70
60
50
40
30
20
Noise Voltage (µVrms)
C
NR
(pF)
RMS NOISE VOLTAGE vs C
NR
C
NR
= 0µF
10Hz < BW < 100kHz
REG101-5.0
REG101-2.5
REG101-3.3
10 100 1k 10k 100k 10M1M
80
70
60
50
40
30
20
10
0
Ripple Rejection (dB)
Frequency (Hz)
RIPPLE REJECTION vs FREQUENCY
I
OUT
= 2mA
I
OUT
= 100mA
I
OUT
= 2mA
C
OUT
= 10µF
I
OUT
= 100mA
C
OUT
= 10µF
C
OUT
= 0µF