isl28006 Intersil Corporation, isl28006 Datasheet - Page 16

• Manufacturer Part Number: isl28006
• Description: Micropower, Rail To Rail Input Current Sense Amplifier With Voltage Output
• Manufacturer: Intersil Corporation

I
I
LOAD
LOAD
S
S
-
+
+
-
R
R
S
S
OPTIONAL
TRANSIENT
PROTECTION
OPTIONAL
FILTER
CAPACITOR
OPTIONAL
TRANSIENT
PROTECTION
OPTIONAL
FILTER
CAPACITOR
16
V
V
SENSE
SENSE
FIGURE 53. LOW-SIDE CURRENT DETECTION
FIGURE 52. HIGH-SIDE CURRENT DETECTION
R
R
R
R
S+
S-
S+
S-
I = 2.86µA
I = 2.86µA
V
1.35V
V
1.35V
R
R
R
R
R
R
R
R
SENSE
SENSE
2
3
1
4
1
2
3
4
ISL28006
gm
gm
gm
gm
I
I
MIRROR
MIRROR
LO
LO
HI
HI
V
CC
‘V
SENSE
LOW-SIDE
SENSING
V
HIGH-SIDE
SENSING
V
‘V
RS+
RS+
SENSE
= 0V TO 2V
=2V TO 28V
R
R
5
-
+
5
+
-
GND
GND
V
V
CC
CC
R
R
R
R
f
g
f
g
OUT
OUT
F
F
B
B
V
V
CC
CC
= 2V TO 28V
= 2V TO 28V
ADJ
OPTION
ONLY
ADJ
OPTION
ONLY
February 4, 2010
FN6548.1