INA200

INA201

INA202

SBOS374 − NOVEMBER 2006

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13

0V

0.6V

V

IN

CMP

OUT

RESET

Figure 6. Comparator Latching Capability

G

0.6V

Reference

Comparator

OUT

CMP

IN

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

any one of the three locations shown. The latching capability should be used in shutdown applications to prevent oscillation at the trip point.

Figure 7. High-Side Switch Over-Current Shutdown