INA200A BURR-BROWN [Burr-Brown Corporation], INA200A Datasheet - Page 13

• Manufacturer Part Number: INA200A
• Description: High-Side Measurement Current-Shunt Monitor with Comparator and Reference
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

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NOTE: Q
any one of the three locations shown. The latching capability should be used in shutdown applications to prevent oscillation at the trip point.
Supply
1
cascodes the comparator output to drive a high− side FET (the 2N3904 shown is good up to 60V). The shunt could be located in
4.5V to 5.5V
R
R
1
2
CMP
RESET
4
1
2
3
0.6V
OUT
V
0V
IN
OUT
CMP
GND
V+
Figure 7. High-Side Switch Over-Current Shutdown
IN
Reference
Figure 6. Comparator Latching Capability
0.6V
INA202 (G = 100)
INA200 (G = 20)
INA201 (G = 50)
Comparator
G
R
4
CMP
RESET
V
V
OUT
IN+
IN−
To V
8
7
6
5
IN+
Option 1
Shunt
From
Shunt Option
1, 2, or 3
To V
RESET
IN−
R
3
Q
2N3904
1
To V
IN+
Option 2
Shunt
To V
To V
To V
IN+
IN−
IN−
SBOS374 − NOVEMBER 2006
Load
Shunt
Option 3
INA200
INA201
INA202
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