33997 datasheet(8/20 Pages) FREESCALE

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33997

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

Characteristic

Symbol

Min

Typ

Max

Unit

SENSOR SUPPLIES VREF1, VREF2

VREF On-Resistance, TA = -40°C

IVREF = 200 mA, IVDDH = 200 mA, VPWR = KA_VPWR = 14 V, EN = 5.0 V

RDS(on)

–

280

Ω

VREF On-Resistance, TA = +25°C

IVREF = 200 mA, IVDDH = 200 mA, VPWR = KA_VPWR = 14 V, EN = 5.0 V

RDS(on)

–

350

Ω

VREF On-Resistance, TA = +125°C

IVREF = 200 mA, IVDDH = 200 mA, VPWR = KA_VPWR = 14 V, EN = 5.0 V

RDS(on)

–

455

Ω

VREF Short-to-Battery Detect Current

VPWR = KA_VPWR = 14 V, EN = 5.0 V, SNSEN = 5.0 V

ISC_Bat

500

–

900

VREF Short-to-Ground Detect Current

VPWR = KA_VPWR = 14 V, EN = 5.0 V, SNSEN = 5.0 V

ISC_Gnd

500

–

900

Maximum Output Capacitance (Total) (Note 13)

CVREF

–

SUPERVISORY CIRCUITS

PWROK Undervoltage Threshold on VDDL, FBL Ramps Down

VPWR = KA_VPWR = 14 V, IVDDH = 200 mA

VFBL(thL)

2.6

–

3.1

PWROK Undervoltage Threshold on VDDH

VPWR = KA_VPWR = 14 V, IVDDH = 200 mA

VDDH(thL)

4.5

–

4.8

VDDH Overvoltage Threshold

VPWR = KA_VPWR = 10 V, IVDDH = 200 mA

VDDH(thH)

5.12

–

5.7

PWROK Open Drain On-Resistance

VPWR = KA_VPWR = 14 V, EN = 5 V, IPwrOK = 5.0 mA

RDS(on)

–

200

Ω

VKAMOK Threshold,

VPWR = KA_VPWR = 14 V, IVDDH = 200 mA

VKAM(thL)

0.9

–

1.9

VKAMOK Threshold on VPWR, VPWR Ramps Up

KA_VPWR = 14 V, IVDDH = 200 mA

VPWRok(th)

4.0

–

5.0

VKAMOK Open Drain On-Resistance

VPWR = KA_VPWR = 14 V, EN = 0 V, IVKAMOK = 10 mA

RDS(on)

–

200

Ω

Enable Input Voltage Threshold (Pin EN)

VIH

1.0

–

2.0

Enable Pull-Down Current (Pin EN), EN = 1.0 V VDDH to VIL(min)

IPD

500

–

1200

Sensor Enable Input Voltage Threshold (Pin SNSEN)

VIH

1.0

–

2.0

Sensor Enable Pull-Down Current (Pin SNSEN)

SNSEN = 1.0 V VDDH to VIL(min)

IPD

500

–

1200

Notes

13.

Recommended value.

STATIC ELECTRICAL CHARACTERISTICS (continued)

Characteristics noted under conditions 9.0 V ≤ VPWR ≤ 16 V, -40°C ≤ TJ = TA ≤ 125°C, using the typical application circuit (see

Figure 8) unless otherwise noted. Typical values noted reflect the approximate parameter mean at TA = 25°C under nominal

conditions unless otherwise noted.

Freescale Semiconductor, Inc.

For More Information On This Product,

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