Datasheet

LT3080-1
20
30801fb
Adjustable High Efficiency Regulator*
2 Terminal Current Source
Typical applicaTions
30801 TA09
4.5V TO
25V
†
10µF
68µF
0.1µF
10µH
MBRM140
10k
10k
1µF
V
IN
BOOST
SW
FB
SHDN
GND
LT3493
CMDSH-4E
0.1µF
TP0610L
+
–
IN
V
CONTROL
OUT
SET
4.7µF
0V
TO 10V
†
1A
*DIFFERENTIAL VOLTAGE ON LT3080-1
≈ 1.4V SET BY THE TPO610L P-CHANNEL THRESHOLD.
1MEG
†
MAXIMUM OUTPUT VOLTAGE IS 2V
BELOW INPUT VOLTAGE
LT3080-1
25mΩ
100k
30801 TA10
R1
OUT
100k
CURRENT SET
+
–
C
COMP
*
IN
V
CONTROL
SET
*C
COMP
R1 ≤ 10Ω 10µF
R1 ≥ 10Ω 2.2µF
I
OUT
=
1V
R1
LT3080-1
25mΩ