LT6109IMS-1#TRPBF Linear Technology, LT6109IMS-1#TRPBF Datasheet - Page 17

• Manufacturer Part Number: LT6109IMS-1#TRPBF
• Manufacturer: Linear Technology

Specifications of LT6109IMS-1#TRPBF

• Lead Free Status / Rohs Status: Compliant

APPLICATIONS INFORMATION
where I
through the sense resistor which cause the comparators
to trip. I
resistor.
Depending on the desired maximum amplifier output volt-
age (V
be configured in two ways. If:
then use the configuration shown in Figure 3. The desired
trip points and full-scale analog output voltage for the
circuit in Figure 3 can then be achieved using the follow-
ing equations:
V
MAX
MAX
OVER
UNDERCURRENT
MAX
>
OVERCURRENT
) the three output resistors, R1, R2 and R3, can



400mV
and I
is the maximum current through the sense
I
OVER
FLAG
FLAG
R
UNDER
SENSE
V
V
PULLUP
+
SUPPLY
LOAD
400mV –I
R
I
SENSE
+
–
C
V
C
are the over and under currents
SENSE
LC
=
V
R
RESET
V
R
C
Figure 11. Typical Configuration with Alternative R
I
C
SENSE
SENSE
UNDER
R
LC
IN
UNDER
1
2
3
4
5
SENSELO
EN/RST
OUTC2
OUTC1
V
–
( )
R1
V

 I

–
MAX
+
–
V
V
V
V
LT6109-1
+
–
+
–
V
+
+
–
+
–
If:
then use the configuration shown in Figure 11.
R1=
R2 =
R3 =
V
I
OUTA
MAX
REFERENCE
400mV
400mV
400mV – I
V
I
<
OVER
MAX



400mV
OUT
SENSEHI
I
OVER
– I
OUTA
I
INC2
INC1
UNDER
Configuration
MAX
V
V
I
V
MAX
+
–
+
UNDER
LT6109-1/LT6109-2
10
9
8
7
6
+
(
R1+ R2
400mV –I
( )
R3
R2
R1
610912 F11
C1
R1
V
)
I
OUT
C
UNDER
L
UNDER
( )
R1

 I

MAX
17
610912f