Datasheet

LT3045
24
Rev. B
For more information www.analog.com
TYPICAL APPLICATIONS
12V
IN
to 3.3V
OUT
with 0.8µV
RMS
Integrated Noise
100µA
IN
EN/UV
PG
GND
OUT
LT3045
ILIM PGFB
453k
10µF
4.7µF
V
IN
12V ±5%
200k
4.7µF
V
OUT
3.3V
I
OUT
200mA
49.9k
3045 TA02
33.2k
SET
OUTS
+
–
750Ω
Low Noise CC/CV Lab Power Supply Ultralow Noise Current Source for RF Biasing Applications
10µF
3045 TA04
4.7µF
OUTPUT CURRENT NOISE = 0.8µV
RMS
/R
OUT
INCREASE R1 (AND R
SET
) TO REDUCE CURRENT NOISE
4.7µF
R
SET
2k
R
LOAD
V
IN
1.8V to 20V
OUT
IN
SET
LT3045
V
OUT(MAX)
: 15V
I
OUT
: 200mA
100µA
OUTS
PG
ILIM
GND
PGFB
EN/UV
R
OUT
= R
1
+ R
LOAD
R1
1Ω
10µF
0.47µF
4.7µF
R
SET
R
IOUT
V
IN
OUT
IN
SET
LT3045
V
OUT
100µA
OUTS
PGFB
ILIM
GND
PG
EN/UV
3045 TA03
+
–
V
OUT(MAX)
=
100
μ
A •R
SET
I
OUT(MAX)
=
150mA •kΩ
R
IOUT
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.