Datasheet

XTR115, XTR116
8
SBOS124A
www.ti.com
FIGURE 5. Stable Operation with Capacitive Load on V
REF
.
I
IN
2
I
RET
3
XTR115
XTR116
+5V
Regulator
R
2
25Ω
R
LIM
E
5
4
B
6
V+
7
R
1
2.475kΩ
R
L
V
LOOP
A1
Voltage
Reference
V
REG
V
REF
8
1
I = 100 • I
IN
I
O
If capacitive loading must be placed on the V
REF
pin, one of the compensation schemes shown below must be used to ensure stable operation.
Values of capacitance must remain within the given ranges.
NOTE: (1) Required compensation components.
I
O
=
100 V
IN
R
IN
+
R
ISO
(1)
10Ω
C
LF
(2.2µF to 22µF)
C
HF
(10pF to 0.5µF)
+
C
LF
(1)
(2.2µF to 22µF)
R
COMP
(1)
50Ω
C
HF
(10pF to 0.5µF)
OR
I
LOAD
(0-2.5mA)
I
LOAD
(0-2.5mA)