MC34912BAC datasheet(8/47 Pages) FREESCALE

No de pièce	MC34912BAC

Description	LIN System Basis Chip with DC Motor Pre-driver and Current

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Fabricant	FREESCALE [Freescale Semiconductor, Inc]

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Analog Integrated Circuit Device Data

8

Freescale Semiconductor

33912

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

VOLTAGE REGULATOR(22) (VDD)

Normal Mode Output Voltage

1.0mA < IVDD < 50mA; 5.5V < VSUP < 27V

VDDRUN

4.75

5.00

5.25

V

Normal Mode Output Current Limitation

IVDDRUN

60

110

200

mA

Dropout Voltage(23)

IVDD = 50mA

VDDDROP

–

0.1

0.25

V

Stop Mode Output Voltage

IVDD < 5mA

VDDSTOP

4.75

5.0

5.25

V

Stop Mode Output Current Limitation

IVDDSTOP

6.0

12

36

mA

Line Regulation

Normal Mode, 5.5V < VSUP < 18V; IVDD = 10mA

Stop Mode, 5.5V < VSUP < 18V; IVDD = 1.0mA

LRRUN

LRSTOP

–

20

5.0

25

mV

Load Regulation

Normal Mode, 1.0mA < IVDD < 50mA

Stop Mode, 0.1mA < IVDD < 5mA

LDRUN

LDSTOP

–

15

10

80

50

mV

Over-temperature Prewarning (Junction)(24)

Interrupt generated, VDDOT Bit Set

TPRE

110

125

140

°C

Over-temperature Prewarning Hysteresis(24)

TPRE_HYS

–

10

–

°C

Over-temperature Shutdown Temperature (Junction)(24)

TSD

155

170

185

°C

Over-temperature Shutdown Hysteresis(24)

TSD_HYS

–

10

–

°C

HALL SENSOR SUPPLY OUTPUT(25) (HVDD)

VDD Voltage matching HVDDACC = (HVDD-VDD) / VDD * 100%

IHVDD = 15mA

HVDDACC

-2.0

–

2.0

%

Current Limitation

IHVDD

20

30

50

mA

Dropout Voltage

IHVDD = 15mA; IVDD = 5mA

HVDDDROP

–

160

300

mV

Line Regulation

IHVDD = 5mA; IVDD = 5mA

LRHVDD

–

25

40

mV

Load Regulation

1mA > IHVDD > 15mA; IVDD = 5mA

LDHVDD

–

10

20

mV

Notes

22.

Specification with external capacitor 2µF < C < 100µF and 100m

Ω ≤ ESR ≤ 10Ω.

23.

Measured when voltage has dropped 250mV below its nominal Value (5V).

24.

This parameter is guaranteed by process monitoring but not production tested.

25.

Specification with external capacitor 1µF < C < 10µF and 100m

Ω ≤ ESR ≤ 10Ω.

Table 3. Static Electrical Characteristics (continued)

Characteristics noted under conditions 5.5V

≤ V

SUP ≤ 18V, -40°C ≤ TA ≤ 125°C for the 33912 and -40°C ≤ TA ≤ 85°C for the

34912, unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal

conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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