DIAGNOSTIC TABLE (Operating range: 4.5V

Conditions

EN

IN

Out

Diag.

Normal function

L

H

H

X

L

H

off

off

on (*)

L

L

H

GND short

L

X

off

H

Load bypass

H

L

off

H

Open load

H

H

on (*)

L

≥ 175°C

Oertemperature (**)

X

X

L

H

off

off

H

L

X

H

off

L

Reset over load latch

X

D.C.

D.C.

(*) for 4.5V

≤ VS < 6.5V, IO ≤ 2A diag. table is valid.

(**) If one diag.status shows the overtemp. recognition, in parallel this output will be switched OFF internally. The corresponding channel should

be related to the overdrop sensing which will be used as over load recognition.

5V

t

t

UI

IO

SC

5V

t

5A

td OL

UD

IO

IO

UC

Figure 1: Diagnostic overload delay time

L9386MD

4/10