L9788 datasheet(112/264 Pages) STMICROELECTRONICS

112 / 264 page

High/low-side drivers - STARTER STR[1:3]

L9788

112/264

DS12308 Rev 4

RdsON

Drain-source

resistance

HS configuration



VB_IN = 3.1 V

I_load = 1 A

Ω

STR1/2/3

STR_SRC_lkg

Output leakage

current

Driver disabled,

diagnostic off; HSide

configuration

-10

+10

µA

STR1/2/3

SR_ON

configuration

Voltage slew ON

State

From 30% to 80% of

VOUT VB_IN = 14 V,

Rload = 68 Ω

0.7

2.1

V/µs

STR1/2/3

SR_OFF

configuration

Voltage slew

OFF State

From 80% to 30% of

VOUT VB_IN = 14 V,

Rload = 68 Ω

0.7

2.1

V/µs

STR1/2/3

S/RGkill_HS

FAST VS/R off

when an OVC

fault happens

high-side

configuration

From 80% to 30% of

VOUT VB_IN = 14 V,

Rload = 68 Ω

V/µs

STR1/2/3

Ton_OUTx_Hside

Propagation

Delay from

MSC_EN rising

edge to 20%

output OUTx

voltage

VB_IN = 14 V,

Rload = 68 Ω

µs

STR1/2/3

Toff_OUTx_Hside

Propagation

Delay from

MSC_EN falling

edge to 80%

output OUTx

voltage

VB_IN = 14 V,

Rload = 68 Ω

µs

STR1/2/3

Vclamp_OUTx_HS

OUTx clamping

voltage HS

configuration

ILOAD = 0.6 A

-4.1

-2.5

STR1/2/3

Over current

driver threshold

configuration

1.5

STR1/2/3

I_HS_ocv_flt

HS overcurrent

filter time

Guaranteed by scan

µs

STR1/2/3

Relay LS configuration

RdsON

Drain-source

resistance

LS configuration



VB_IN = 13.5 V



Tj = 150 °C I_load = 1A

1.5

Ω

STR1/2/3

Table 50. High/low-side driver - STARTER electrical characteristics (continued)

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

L9788 Datasheet(PDF) 112 Page - STMicroelectronics

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