L99DZ320 datasheet(24/146 Pages) STMICROELECTRONICS

24 / 146 page

Symbol

Parameter

Test condition

Min. Typ. Max. Unit Item

tFOC_PWM(1)

Filter time of overcurrent signal

in all half bridges in PWM mode

(no blanking time tBLK applied)

µs

D.135

tFSC_PWM(1)

Filter time of short-circuit current

signal in all half bridges in PWM

mode (no blanking time tBLK

applied)

µs

D.136

tOCR00

TON time of overcurrent signal in

HB4,.. HB6, HS7, .., HS9

(includes blanking time tBLK and

is also valid if OCR is disabled)

Tested by scan

xx_OCR_TON[0,1] = 00

µs

D.068

tOCR01

xx_OCR_TON[0,1] = 01

µs

D.069

tOCR10

xx_OCR_TON[0,1] = 10

µs

D.070

tOCR11

xx_OCR_ TON[0,1] = 11

µs

D.071

fOCR00

Recovery frequency for OC

Tested by scan

xx_OCR_FREQ[0,1] = 00

1.7

kHz D.072

fOCR01

xx_OCR_FREQ[0,1] = 01

2.2

kHz D.073

fOCR10

xx_OCR_FREQ[0,1] = 10

kHz D.074

fOCR11

xx_OCR_FREQ[0,1] = 11

4.4

kHz D.075

|IOLD6|(2)

Undercurrent threshold HS and

VS = 13.5 V, sink and source

mA D.079

|IOLD4|(2), |IOLD5|(2)

150

300

mA D.133

|IOLD7|(2)

Undercurrent threshold HS in

low on-resistance mode

VS / VSREG = 13.5 V source

mA D.081

Undercurrent threshold HS in

high on-resistance mode

mA D.082

|IOLD8|(2), |IOLD9|

Undercurrent threshold HS

mA D.083

|IOLD11|(2), |IOLD12|(2),

|IOLD13|(2), |IOLD14|(2),

|IOLD15|, |IOLD0|(2)

Undercurrent threshold HS

0.2 0.65

1.5

mA D.086

tFOL

Filter time of open-load signal

Duration of open-load condition to

set the status bit. Tested by scan

200

µs

D.092

1. Parameter specified by design, not tested in production.

2. IOLD parameters, in the range 8 V to 16 V, are specified by design and evaluated by characterization. Production testing is

done at 13.5 V.

L99DZ320

Electrical specifications

DS14235 - Rev 5

page 24/146

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