L9779WD datasheet(59/170 Pages) STMICROELECTRONICS

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DocID027452 Rev 5

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L9779WD

Functional description

169

OUT 6, 7

PWclampRP

Clamp repetitive pulses

Freq = 5 Hz Reliability

Test

Tc ≤ 30 °C; I_OUT_n ≤ 1.8 A

13 Mio cycles

7.5

Tc ≤ 65°C; I_OUT_n ≤ 1.4 A

130 Mio cycles

Tc ≤ 80°C; I_OUT_n ≤ 1.4 A

214 Mio cycles

Tc ≤ 100°C; I_OUT_n ≤ 1.4 A

175 Mio cycle

Tc≤ 115°C; I_OUT_n ≤ 1.4 A

45 Mio cycle

Tc ≤ 130°C; I_OUT_n ≤ 1.0 A

65 Mio cycle

Tc ≤ 145°C; I_OUT_n ≤ 1.0 A

6 Mio cycle

Reverse voltage

Body diode reverse

current voltage drop

I = -5 A

-1.3

-1

-0.5

Table 22. LSb electrical characteristics (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

Table 23. LSb diagnosis electrical characteristics

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

OUT6, 7

Imax

Output current

Not tested

IOVC

Over current threshold

T = -40°C

8.6

12.4

T = 25°C

11.2

T = 130°C

7.8

9.9

TFILTEROVC Over current filtering time

Tested by scan

1.5

2.5

µs

TFILTERdiaggof

Filtering open load and short

to GND diag. off

Tested by scan

µs

Td_mask

Diagnosis mask delay after

switch-off

Tested by scan

300

500

µs

VHVT

Open load threshold voltage -

VOutopen

+120mV

-3

VOutopen

Open load output voltage

Open load condition

2.3

2.7

VLVT

Output short-circuit to GND

threshold voltage

-1.9

VOutopen

-200mV

IOUT_PD

Output diagnostic pull down

current OFF STATE

Vpin = 5 V

110

µA

IOUT_PU

Output diagnostic pull up

current OFF STATE

Vpin = 1.5 V

-210

-108

µA

Itopen

Open load threshold current -

µA

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