L9788 datasheet(89/264 Pages) STMICROELECTRONICS

89 / 264 page

DS12308 Rev 4

89/264

L9788

Low-side drivers

263

OUTx_lkg

Output leakage

current

Output disabled,

diagnostic off

-10

µA

INJ1/2/3/4

Irev_OUTx

Body Diode

reverse current

voltage drop

ILOAD = -2 A

INJ1/2/3/4

SR_ON

Voltage slew ON

State

From 80% to 30% of

VOUT, VB_IN = 14 V,

Rload = 15Ω,

Cload = 10 nF

0.6

1.84

V/µs

INJ1/2/3/4

SR_OFF

Voltage slew OFF

State

From 80% to 30% of

VOUT, VB_IN = 14 V,

Rload = 15Ω,

Cload = 10 nF

0.6

1.84

V/µs

INJ1/2/3/4

S/RGkill_LSH

FAST VS/R off

when and OVC

fault happens

From 30% to 80% of

VOUT, VB_IN = 14 V,

Rload = 15Ω,

Cload = 10 nF

V/µs

INJ1/2/3/4

Ton_OUTx

Propagation Delay

from MSC_EN

rising edge to 80%

output OUTx

voltage

VB_IN = 14 V,



Rload = 15Ω,

Cload = 10 nF

µs

INJ1/2/3/4

Toff_OUTx

Propagation Delay

from MSC_EN

falling edge to 20%

output OUTx

voltage

VB_IN = 14 V,



Rload = 15Ω,

Cload = 10 nF

µs

INJ1/2/3/4

clamp_OUTx

OUTx clamping

Voltage

ILOAD = 1.3 A

INJ1/2/3/4

Vclamp_OUTx_

high_curr

OUTx clamping

Voltage

ILOAD = 3 A

Guaranteed by design,

provided single pulse

energy limits are not

violated by clamping

action

INJ1/2/3/4

IOVC_OUTx

Over Current

Driver Threshold

INJ1/2/3/4

I_LS_ocv_flt

LS overcurrent

filter time

Guaranteed by scan

µs

INJ1/2/3/4

T_SD_HIGH

Temperature shut

down

185

200

°C

INJ1/2/3/4

T_SD_LOW

Temperature shut

down recover

175

190

°C

INJ1/2/3/4

T_SD_hys

Temperature shut

down hysteresis

°C

INJ1/2/3/4

Table 44. Low-side driver - INJECTOR electrical characteristics (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

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