L9788 datasheet(113/264 Pages) STMICROELECTRONICS

113 / 264 page

DS12308 Rev 4

113/264

L9788

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

263

RdsON

Drain-source

resistance

LS configuration



VB_IN = 13.5 V,



Tj = 25 °C, I_load = 1 A

0.81

Ω

STR1/2/3

RdsON

Drain-source

resistance

LS configuration



VB_IN = 13.5 V



Tj = -40 I_load = 1 A

0.63

Ω

STR1/2/3

RdsON

Drain-source

resistance

LS configuration



VB_IN = 3.1 V



I_load = 1 A

Ω

STR1/2/3

STR_DRN_lkg

Output leakage

current

Output disabled,

diagnostic off ;



Low-Side configuration,

DRN1=DRN2=DRN3=1

8 V, total current from 3

pins, T=-40 °C, 27 °C

-10

+18

µA

STR1/2/3

STR_DRN_lkg

Output leakage

current

Output disabled,

diagnostic off ;



Low-Side configuration,

DRN1=DRN2=DRN3=1

8 V, total current from 3

pins, T = 175 °C

-10

+48

µA

STR1/2/3

SR_ON

LS configuration

voltage slew ON

State

From 80% to 30% of

VOUT VB_IN = 14 V,

Rload = 68 Ω

0.8

2.5

V/µs

STR1/2/3

SR_OFF

LS configuration

voltage slew

OFF State

From 30% to 80% of

VOUT VB_IN = 14 V,

Rload = 68 Ω,

0.8

2.5

V/µs

STR1/2/3

S/RGkill_LS

FAST VS/R off

when an OVC

fault happens in

low-side

configuration

From 30% to 80% of

VOUT VB_IN = 14 V,

Rload = 68 Ω,

V/µs

STR1/2/3

Ton_OUTx_Lside

Propagation

Delay from

MSC_EN rising

edge to 80%

output OUTx

voltage

VB_IN =14 V,

Rload = 68 Ω,

µs

STR1/2/3

Toff_OUTx_Lside

Propagation

Delay from

MSC_EN falling

edge to 20%

output OUTx

voltage

VB_IN=14V,



Rload = 68 Ω,

µs

STR1/2/3

Vclamp_OUTx_LS

OUTx clamping

voltage LS

configuration

ILOAD = 0.6 A

STR1/2/3

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

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

L9788 Datasheet(PDF) 113 Page - STMicroelectronics

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