Datasheet

LT3092
15
3092fb
TYPICAL APPLICATIONS
Paralleling Current Sources for Higher Current
High Voltage Current Source
IµA
R
R
R
R
OUT
=+
⎛
⎝
⎜
⎞
⎠
⎟
10
2
1
4
3
•
3092 TA02
IN
SET OUT
+
–
LT3092
10µA
R1R2
IN
SET OUT
+
–
LT3092
10µA
R3R4
I
OUT
3092 TA03
IN
SET OUT
+
–
LT3092
10µA
R1
40m
R2
40.2k
IN
SET OUT
+
–
LT3092
10µA
R3
40m
R4
2
400mA
3092 TA04
IN
SET OUT
+
–
LT3092
10µA
R3
2
R4
20k
+
–
D1
35V
I
OUT
100mA
IN
SET OUT
+
–
LT3092
10µA
R1
2
R2
20k
200mV
D2
35V
ImA
I
mV
R
OUT
OUT
≥
=
05
200
1
.
3092 TA05
IN
SET
OUT
+
–
LT3092
10µA
R1
2
R
x
R2
20k
I
OUT
100mA
VVV
R
V
mV
R
MAX IN OUT MAX
x
MAX
=
=
(– )
•%
200
1
90
Paralleling LT3092s with Ballast Resistor
Decreasing Power Dissipation in LT3092 100mA Current Source
3092 TA06
IN
SET
OUT
+
–
LT3092
10µA
R1
2
C1
R2
20k
I
OUT
100mA
LIMIT
dV
dt
I
C
OUT
≤ 90
1
%•
Capacitor Adds Stability, But Limits Slew Rate