L9386MD datasheet(6/14 Pages) STMICROELECTRONICS

6 / 14 page

Electrical specifications

L9386

6/14

V(EN,IN)hys Logic input hysteresis

0.2

0.4

IEN

Enable input sink current

1 V

≤ V

EN ≤ 5.5 V

µA

IIN

Logic input sink current

1 V

≤ V

IN ≤ 5.5 V

180

µA

tDON

Output delay ON time

(3) see Figure 4

425

µs

tDOFF

Output delay OFF time

(3) see Figure 4

515

µs

tDH-L,Diag.

Diag. delay output OFF time

(3) see Figure 4

530

µs

tDIOu

Diagnostic open load delay time

(3) see Figure 6

850

µs

tDOL

Diagnostic overload delay

switch-off time

(3) see Figure 3

160

300

µs

6.5 V

≤ V

S ≤ 16 V (Diagnostic operation range).

4.5 V

≤ V

S < 6.5 V and 16 V < VS ≤ 32 V (Extended operation range).

9 V

≤ V

S ≤ 16 V (Nominal operating range)

RL ≤ 6 Ω, IO ≤ IOOC.

Table 4.

Electrical characteristics (continued)

(The electrical characteristics are valid within the below defined operative range, unless

otherwise specified.)

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Table 5.

Diagnostic table (operating range: 4.5 V

≤ V

S ≤ 32 V)

Conditions

Out

Diag.

Normal function

off

on(1)

GND short

VOtyp < 0.55 V

off

Load bypass

ΔVO

1,2 ≥ 1.25 V

Open load

IOtyp < 320 mA

on(1)

Tj typ ≥ 175 °C overtemperature

(2)

off

Latched overload IOmin > 5 A

off

Reset overload latch

D.C.

for 4.5 V

≤ V

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

If one diag. status shows the overtemperature recognition, in parallel this output will be switched OFF internally. The

corresponding channel should be switched OFF additional by its Input or ENABLE signal, otherwise the overload latch will

be set after tDOL is passed. This behavior will be related to the overdrop sensing which will be used as over load

recognition.

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