Datasheet
LT3080
19
3080fc
High Voltage Regulator
Ramp Generator
+
–
LT3080
6.1V
IN
1N4148
V
IN
50V
V
CONTROL
OUT
V
OUT
1A
V
OUT
= 20V
V
OUT
= 10µA • R
SET
3080 TA10
SET
R
SET
2MEG
4.7µF
15µF
10µF
BUZ11
10k
+
+
Ground Clamp
Reference Buffer
+
–
LT3080
IN
V
IN
V
CONTROL
OUT
4.7µF
V
OUT
V
EXT
3080 TA13
1N4148
5k
20Ω
1µF
Boosting Fixed Output Regulators
Typical applicaTions
+
–
LT3080
IN
V
IN
5V
V
CONTROL
OUT
V
OUT
3080 TA11
SET
1N4148
VN2222LL VN2222LL
4.7µF
1µF
1µF
+
–
LT3080
IN
V
IN
V
CONTROL
OUT
V
OUT
*
3080 TA12
SET
OUTPUT
INPUT
C1
1µF
GND
C2
4.7µF
LT1019
*MIN LOAD 0.5mA
3080 TA14
20mΩ
20mΩ
42Ω* 47µF
3.3V
OUT
2.6A
33k
*4mV DROP ENSURES LT3080 IS
OFF WITH NO LOAD
MULTIPLE LT3080’S CAN BE USED
+
–
LT3080
10µF
5V
OUT
SET
LT1963-3.3