Datasheet

LT3029
8
3029fb
For more information www.linear.com/LT3029
OUTPUT NOISE SPECTRAL DENSITY (µV/√Hz)
FREQUENCY (kHz)
0.01
0.1
10
3029 G25
1
V
OUT
= 5V
V
OUT
= V
ADJ
T
J
= 25°C
C
OUT
= 10µF
C
BYP
= 0
I
L
= 500mA
0.01 1 10 1000.1
FREQUENCY (kHz)
OUTPUT NOISE SPECTRAL DENSITY (µV/√Hz)
0.01 1 10 100
3029 G26
0.1
10
1
0.1
0.01
V
OUT
= 5V
V
OUT
=V
ADJ
T
J
= 25°C
C
OUT
= 10µF
I
L
= 500mA
C
BYP
=
100pF
C
BYP
= 0.01µF
C
BYP
= 1000pF
C
BYP
(pF)
10
80
OUTPUT NOISE (µV
RMS
)
100
120
160
140
100 1000 10000
3029 G27
60
40
20
0
V
OUT
= 5V
V
OUT
= 1.215V
T
J
= 25°C
C
OUT
= 10µF
I
L
= 500mA
f
BW
= 10Hz TO 100kHz
Channel-to-Channel Isolation Load Regulation
Typical perForMance characTerisTics
Output Noise Spectral Density Output Noise Spectral Density
RMS Output Noise
vs Bypass Capacitor
RMS Output Noise
vs Load Current
TEMPERATURE (°C)
LOAD REGULATION (mV)
3029 G24
0
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
–75 –50 –25 0
25
50
75 100 125 150 175
∆I
L
= 1mA TO 500mA
LOAD CURRENT (mA)
0.01
OUTPUT NOISE (µV
RMS
)
160
140
120
100
80
60
40
20
0
0.1 1 10010
3029 G28
V
OUT
= 5V
V
OUT
=V
ADJ
V
OUT
= 5V
V
OUT
=V
ADJ
T
J
= 25°C
C
OUT
= 10µF
C
BYP
= 0
C
BYP
= 10nF
50µs/DIV
V
OUT1
50mV/DIV
V
OUT2
50mV/DIV
3029 G23
C
OUT1
= 10µF
C
OUT2
= 10µF
C
BYP1
= C
BYP2
= 0.01µF
∆I
L1
= 50mA TO 500mA
∆I
L2
= 50mA TO 500mA
V
IN
= 6V, V
OUT1
= V
OUT2
= 5V
T
J
= 25°C, unless otherwise noted.