Datasheet

LT3042
26
3042fb
For more information www.linear.com/LT3042
TYPICAL APPLICATIONS
Paralleling Multiple LT3042s for Higher Output Current
4.7µF
4.7µF
50mΩ
4.7µF
OUT
IN
SET
LT3042
100µA
100µA
OUTS
PGFB
ILIM
GND
PG
EN/UV
IN
PGFB
PG
EN/UV
+
–
8.25k
50mΩ
+
–
3042 TA10
OUT
LT3042
OUTS
SET
ILIM
GND
4.7µF
4.7µF
50mΩ
4.7µF
OUT
IN
SET
LT3042
100µA
100µA
OUTS
PGFB
GND
PG
EN/UV
IN
PGFB
PG
EN/UV
+
–
453k
200k
49.9k
V
OUT
= 3.3V
I
OUT(MAX)
= 800mA
DROPOUT = 350mV
50mΩ
+
–
OUT
PNP
Q1
PNP
Q2
PNP
Q4
PNP
Q3
LT3042
OUTS
SET
ILIM
ILIM
GND
OUTPUT NOISE =
0.8µV
RMS
4
=0.4µV
RMS
V
IN
5V ±5%
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