L9663 datasheet(90/104 Pages) STMICROELECTRONICS

90 / 104 page

Electrical characteristics

L9663

90/104

DocID028693 Rev 1

Table 15. VSYNCx

Symbol

Parameter / Condition

Min

Typ

Max

Unit

VCBclamp

Voltage limitation on CB

V(BHx)-V(BLx)

––8

VCBov

VB over voltage threshold for bootstrap disabling

–

tch_ini

Initial time interval necessary to charge CB =

10μF from 0V to 4V@VB = 4.8V

––2

tch

Recharge time for bootstrap capacitor

min. sync pulse amplitude = 2.5 V; all sync pulses

are long (for logical 1, pulse width); VB = 5.2 V.

––

130

μs

tch_reset1

Start of CB1 charging after release of internal

POR

––1

μs

tch_reset2

Delay between start of CB2 charging with respect

to start of CB1 charging (staggered charging)

–2–

VB voltage for full functionality

5.2

–

VB voltage for full functionality (low power mode)

4.8

–

CBx

Capacitor value

μF

Table 16. PSI5 output supply

Symbol

Parameter / Condition

Min

Typ

Max

Unit

IPSIx

Interface quiescent current (standard

current)

-19

–

-4

IPSIx

Interface quiescent current (extended

current)

-35

–

-4

IPSIx

Interface quiescent current (extended+

current)

-45

–

-4

VPSIx,max

Max. output voltage excluding sync.

pulse (internal regulation, VAS=16V)

––

VPSIxsync,max

Max. output voltage including sync.

pulse (internal regulation, VAS=16V)

–

16.5

ISTG

Static short to ground current limitation

for each transceiver output PSIx

-130

–

-80

tIfilt

Filter time for current limitation

detection

128

–

μs

tIblank

Blanking time on current limitation

detection (active at PSIx output start-

up in addition to the filter time)

Selectable by SPI: 128 μs/5ms/10ms

128

–

μs

RINT

Internal resistance of complete path

(from input pin VAS to output pin PSIx,

Iload=<75mA) VAS from

–

8.5

TOT

Over temperature detection

175

–

200

°C

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