33099 datasheet(7/18 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

33099

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions 7.0 V

≤ V

SUP ≤ 18 V, - 40°C ≤ T

A ≤ 125°C, GND = 0 V unless otherwise noted.

Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

Duty Cycle Regulation Output Frequency

fOSC/256

FDC

300

375

440

Phase Rotation Detection Frequency

44.28

53.8

Low/High RPM Transition Phase Frequency

267.5

296

325

GATE Duty Cycle at Startup and WOT

fph > f2

DCSTART

31.25

34.5

Minimum GATE LRC Duty Cycle

fph < f2

DC(LRC)MIN

31.25

33.5

Minimum GATE Duty Cycle

Vbat > Vreg(max)

DCMIN

2.1

3.1

3.3

LRC Increasing GATE Duty Cycle Rate

Low RPM Mode (fph < f2)

LRC1 at GND, LRC2 at GND

LRC1 Open, LRC2 at GND

LRC1 at GND, LRC2 Open

LRC1 Open, LRC2 Open

High RPM Mode (fph > f2)

R LRC1

R LRC2

R LRC3

R LRC4

RLRC(MAX)

–

9.31

12.45

18.71

37.42

616

–

%/s

Ignition Turn OFF Delay (Lamp ON)

TID(OFF)

–

10.2

–

Lamp Short Circuit ON Polling Frequency

FLSC

–

98.6

–

Lamp Short Circuit ON Duty Cycle

DCL

–

1.56

–

Lamp OFF Polling Frequency

FL(OFF)

–

98.6

–

Lamp Polling OFF Duty Cycle

DCL(OFF)

–

1.56

–

Field Short Circuit ON Polling Frequency

FFSC

–

98.6

–

Field Short Circuit Polling ON Duty Cycle

DCF

–

1.56

–

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