TYPICAL CHARACTERISTICS
(Cont.)
For all models, at T
J
= +25°C and V
ENABLE
= 1.8V, unless otherwise noted.
RIPPLE REJECTION vs FREQUENCY
80
70
Ripple Rejection (dB)
RIPPLE REJECTION vs (V
IN
– V
OUT
)
30
I
OUT
= 2mA
25
I
OUT
= 100mA
C
OUT
= 10µF
Ripple Rejection (dB)
60
50
40
30
20
10
0
10
100
1k
I
OUT
= 100mA
I
OUT
= 2mA
C
OUT
= 10µF
20
15
10
5
0
C
OUT
= 0µF
Frequency = 100kHz
C
OUT
= 10µF
V
OUT
= 3.3V
I
OUT
= 100mA
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
10k
100k
1M
10M
Frequency (Hz)
V
IN
– V
OUT
(V)
RMS NOISE VOLTAGE vs C
OUT
60
REG102-5.0
50
110
100
RMS NOISE VOLTAGE vs C
NR
REG102-5.0
REG102-3.3
Noise Voltage (µVrms)
Noise Voltage (µVrms)
90
80
70
60
50
40
REG102-3.3
30
20
REG102-2.5
10
0
C
OUT
= 0.01µF
10Hz < BW < 100kHz
0.1
1
C
OUT
(µF)
10
REG102-2.5
40
30
20
1
10
100
C
NR
(pF)
1k
10k
C
OUT
= 0µF
10Hz < BW < 100kHz
NOISE SPECTRAL DENSITY
10
I
OUT
= 100mA
C
NR
= 0µF
10
I
OUT
= 100mA
C
NR
= 0.01µF
NOISE SPECTRAL DENSITY
e
N
(µV/√Hz)
C
OUT
= 1µF
e
N
(µV/√Hz)
1
1
0.1
C
OUT
= 0µF
C
OUT
= 10µF
C
OUT
= 1µF
0.1
C
OUT
= 0µF
C
OUT
= 10µF
10
100
1k
Frequency (Hz)
10k
100k
0.01
10
100
1k
Frequency (Hz)
10k
100k
0.01
6
REG102
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BURR-BROWN [ BURR-BROWN CORPORATION ]
