L9663 datasheet(93/106 Pages) STMICROELECTRONICS

93 / 106 page

DS11401 Rev 6

93/106

L9663

Electrical characteristics

105

Figure 30. Sync generator

Table 18. Sync generator

Symbol

Parameter / Condition

Min

Typ

Max

Unit

Trigger signal duration to generate a

short Sync Pulse (std PSI5) (1)

µs

Vt2

Voltage increase of sync pulse

normal operation (Ibase ≤ 35 mA,

VB ≥ 4.8 V)

2.5

Vt2

Voltage increase of sync pulse

normal operation (Ibase ≤ 35 mA,



VB ≥ 5.2 V

2.5/3.5

SRrise

Slew rate of rising sync slope

0.43

1.5

V/µs

SRfall

Slew rate of falling sync slope

-1.5

V/µs

Reference time (@ 0.5 V on top of

VCEbase)

-0

µs

Sync signal earliest start

Delta current less than 2 mA

-3.25

µs

Sync signal sustain start (@ Vt2)

µs

Sync signal sustain time (short/long

pulse)

16/43

µs

tsync_slow

Slow Vsync detection time

µs

Discharge time limit (short/long pulse)

35/62

µs

tSlot 1 Start

Start of first sensor data word

(short/long pulse)

44/71

µs

Phase

sync

sustain

Upper boundary

Lower boundary

Trigger point

Phase

sync

slope

Phase

sync

start

VCE max

t TRIG

Vt2

VTRIG

Vt0

VCE base

Phase

sync

discharge

GAPG2310151547PS

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