Datasheet

G
0.6V
Reference
Comparator
OUT
CMPIN
CMP
OUT
RESET
V
IN-
V
IN+
INA200(G=20)
INA201(G=50)
INA202(G=100)
GND
V+
2
3
4
6
5
7
8
1
Shunt
Option3
Shunt
Option1
R
3
R
4
Supply
ToV
IN-
ToV
IN+
ToV
IN-
ToV
IN+
R
1
R
2
From
ShuntOption
1,2,or3
RESET
4.5Vto5.5V
Q
1
2N3904
Shunt
Option2
Load
ToV
IN-
ToV
IN+
NOTE:Q cascodesthecomparatoroutputtodriveahigh-sideFET(the2N3904shownisgoodupto60V).Theshuntcouldbelocatedin
1
anyoneofthethreelocationsshown.Thelatchingcapabilityshouldbeusedin shutdownapplicationstopreventoscillationatthetrippoint.
INA200
INA201
INA202
SBOS374C –NOVEMBER 2006–REVISED OCTOBER 2010 www.ti.com
Figure 31. High-Side Switch Over-Current Shutdown
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