Datasheet

LT3060 Series
13
3060fb
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
LT3060-5 10Hz to 100kHz Output
Noise, C
REF/BYP
= 10nF, C
FF
= 10nF
LT3060-5 Transient Response,
C
FF
= 0
LT3060-5 Transient Response,
C
FF
= 10nF
1ms/DIVC
OUT
= 10µF
I
L
= 100mA
V
OUT
= 5V
V
OUT
100µV/DIV
3060 G48
100µs/DIVV
IN
= 6V
C
OUT
= C
IN
= 10µF
I
FB-DIVIDER
= 5µA
V
OUT
50mV/DIV
I
OUT
50mA/DIV
3060 G49
∆I
OUT
= 10mA TO 100mA
V
OUT
= 5V
20µs/DIVV
IN
= 6V
C
OUT
= C
IN
= 10µF
I
FB-DIVIDER
= 5µA
V
OUT
20mV/DIV
I
OUT
50mA/DIV
3060 G50
∆I
OUT
= 10mA TO 100mA
V
OUT
= 5V
Typical perForMance characTerisTics
RMS Output Noise vs Load Current
C
REF/BYP
= 10nF, C
FF
= 0
RMS Output Noise
vs Feedforward Capacitor (C
FF
)
LT3060-5 10Hz to 100kHz Output
Noise, 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
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
1ms/DIVC
OUT
= 10µF
I
L
= 100mA
V
OUT
= 5V
V
OUT
100µV/DIV
3060 G47
T
A
= 25°C, unless otherwise noted.