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ManualsBrandsLINEAR TECHNOLOGY ManualsPMICsPMIC - LDO voltage regulator Positivbe, adjustable TSOT 23 8
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LT3060 Series
12
3060fc
For more information www.linear.com/LT3060
RMS Output Noise vs Load Current
vs C
REF/BYP
, C
FF
= 0
LOAD CURRENT (mA)
0.01
0
OUTPUT NOISE VOLTAGE (µV
RMS
)
40
30
20
10
110
100
90
80
70
60
50
101 100
3060 G44
0.1
V
OUT
= 0.6V
C
OUT
= 10µF
C
REF/BYP
= 0
C
REF/BYP
= 10pF
C
REF/BYP
= 100pF
C
REF/BYP
= 1nF
C
REF/BYP
= 10nF
C
REF/BYP
= 100nF
Typical perForMance characTerisTics
RMS Output Noise
vs Feedforward Capacitor (C
FF
)
RMS Output Noise
vs Feedforward Capacitor (C
FF
)
RMS Output Noise vs Load Current
C
REF/BYP
= 10nF, C
FF
= 0
RMS Output Noise vs Load Current
C
REF/BYP
= 10nF, C
FF
= 0
LOAD CURRENT (mA)
0.01
0
OUTPUT NOISE VOLTAGE (µV
RMS
)
50
40
30
20
10
170
120
130
140
150
160
110
100
90
80
70
60
101 100
3060 G45
0.1
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 1.2V
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 0.6V
f
= 10Hz TO 100kHz
C
OUT
= 10µF
I
FB-DIVIDER
= 5µA
FEEDFORWARD CAPACITOR, C
FF
(F)
10p
0
OUTPUT NOISE VOLTAGE (µV
RMS
)
10
120
70
80
90
100
110
60
50
40
30
20
1n 10n
3060 G46
100p
f = 10Hz TO 100kHz
C
REF/BYP
= 10nF
C
OUT
= 10µF
I
FB-DIVIDER
= 5µA
I
L
= 100mA
V
OUT
= 0.6V
V
OUT
= 5V
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
V
OUT
= 2.5V
V
OUT
= 3.3V
T
A
= 25°C, unless otherwise noted.
Output Noise Spectral Density
C
REF/BYP
= 0, C
FF
= 0
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 1.2V
V
OUT
= 0.6V
V
OUT
= 15V
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 2.5V
FREQUENCY (Hz)
10
0.01
OUTPUT NOISE SPECTRAL DENSITY (µV/√Hz)
10
1
0.1
100
10k 100k100
3060 G41
1k
C
OUT
= 10µF
I
L
= 100mA
Output Noise Spectral Density
vs C
REF/BYP
, C
FF
= 0
FREQUENCY (Hz)
10
0.01
OUTPUT NOISE SPECTRAL DENSITY (µV/√Hz)
1
0.1
10
10k1k 100k
3060 G42
100
V
OUT
= 5V
C
REF/BYP
= 10nF
C
REF/BYP
= 1nF
V
OUT
= 0.6V
C
OUT
= 10µF
I
L
= 100mA
C
REF/BYP
= 100pF
Output Noise Spectral Density
vs C
FF
,
C
REF/BYP
= 10nF
FREQUENCY (Hz)
10
0.01
OUTPUT NOISE SPECTRAL DENSITY (µV/√Hz)
1
0.1
10
10k1k 100k
3060 G43
100
C
FF
= 0
C
FF
= 100pF
C
FF
= 10nF
V
OUT
= 5V
C
OUT
= 10µF
I
L
= 100mA
C
FF
= 1nF
LOAD CURRENT (mA)
0.01
0
OUTPUT NOISE VOLTAGE (µV
RMS
)
125
100
75
50
25
350
250
275
300
325
225
200
175
150
101 100
3060 G45a
0.1
V
OUT
= 15V
V
OUT
= 5V
V
OUT
= 2.5V
V
OUT
= 0.6V
f
= 10Hz TO 100kHz
C
OUT
= 10µF
I
FB-DIVIDER
= 5µA
FEEDFORWARD CAPACITOR, C
FF
(F)
10p
0
OUTPUT NOISE VOLTAGE (µV
RMS
)
25
250
150
175
200
225
125
100
75
50
1n 10n
3060 G46a
100p
f = 10Hz TO 100kHz
C
REF/BYP
= 10nF
C
OUT
= 10µF
I
FB-DIVIDER
= 5µA
I
L
= 100mA
V
OUT
= 0.6V
V
OUT
= 15V
V
OUT
= 5V
V
OUT
= 2.5V