Datasheet

LT3080
17
3080fc
Higher Output Current
Adding Shutdown
Current Source Low Dropout Voltage LED Driver
+
–
LT3080
IN
50Ω
MJ4502
V
CONTROL
OUT
3080 TA02
SET
4.7µF
332k
V
OUT
3.3V
5A
+
1µF
100µF
+
100µF
V
IN
6V
+
–
LT3080
IN
V
CONTROL
OUT
1Ω
100k
3080 TA03
SET
I
OUT
0A TO 1A
4.7µF
V
IN
10V
1µF
+
–
LT3080
IN
100mA
D1
V
CONTROL
OUT
V
IN
3080 TA05
SET
R1
24.9k
R2
2.49Ω
C1
+
–
LT3080
IN
V
IN
V
CONTROL
OUT
V
OUT
3080 TA04
SET
1N4148
R1
ON OFF
SHUTDOWN
Q1
VN2222LL
Q2*
VN2222LL
Q2 INSURES ZERO OUTPUT
IN THE ABSENCE OF ANY
OUTPUT LOAD.
*
Using a Lower Value SET Resistor
+
–
LT3080
IN
1mA
V
IN
12V
V
CONTROL
OUT
C
OUT
4.7µF
V
OUT
0.5V TO 10V
3080 TA06
SET
R1
49.9k
1%
R
SET
10k
R2
499Ω
1%
C1
1µF
V
OUT
= 0.5V + 1mA • R
SET
Typical applicaTions
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