L99UDL01 datasheet(34/88 Pages) STMICROELECTRONICS

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Electrical characteristics

L99UDL01

34/88

DS12511 Rev 5

4.3.6

External half bridge

Table 11. External half-bridge parameters

Electrical characteristics (-40°C < TJ < 130°C, 6V < VS < 18V unless otherwise specified)

Req ID

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

D.020

VGATEH_on

GATEH/EXTx output

voltage when enabled

VCP > VCP_min, output

commanded on

VSRCX

+10

VSRCX

+13.5

D.021

IGATEH_on

GATEH/EXTx rising

current

Transition from off to on,

VS=13.5 V, VSHx=0,

VGHx=3 V

D.022

IGATEH_off

GATEH/EXTx falling

current

Transition from on to off

VS=13.5 V, VSHx=0,

VGHx=3 V

D.023

RGSHx

GATEH/EXTx Gate-

Source passive

discharge resistance

Device in STBY (STBY bit=1)



D.024

VGATEL_on

GATEL/EXTx output

voltage when enabled

Output commanded on

13.5

D.025

IGATEL_on

GATEL/EXTx rising

current

Transition from off to on

VS=13.5 V, VGLx=3 V

D.026

IGATEL_off

GATEL/EXTx falling

current

Transition from on to off

VS=13.5 V, VGLx=3 V

D.027

RGSLlx

GATEL Gate-Source

passive discharge

resistance

Device in SLEEP mode



D.028

tDT (1)

Cross conduction dead

time for external

MOSFETs

Transitioning from either

direction.

Tested by scan

s

D.029

VOUT_th

Dynamic output voltage

threshold

1.5

1.8

2.1

D.030

Cmax

Maximum Capacitive

load on Gate Drive pins

For cross conduction

prevention.

1000

1. tDT typ. value is 10 µsec in the following cases: 

a. the external output is configured in overridden mode and the device is in emergency mode, or



b. L99UDL01 is in Normal mode coming from Emergency mode without disabling and then enabling again the External

Output (EX_OUTx_on) overridden control bit

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