MC33981 datasheet(8/24 Pages) MOTOROLA

Part #	MC33981

Description	High-Frequency, High-Current, Self-Protected High-Side Switch (4.0 m??up to 60 kHz)

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Manufacturer	MOTOROLA [Motorola, Inc]

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33981

MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA

8

DYNAMIC ELECTRICAL CHARACTERISTICS

Characteristics noted under conditions 4.5 V

≤ VDD ≤ 5.5 V, 6.0 V ≤ VPWR ≤ 27 V, -40°C ≤ TJ ≤ 150°C 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

CONTROL INTERFACE AND POWER OUTPUT TIMING

CBOOT Charge Blanking Time (Note 11)

tON

–

20

–

µs

Output Rising Slew Rate (Note 12)

VPWR = 14 V

CGATE = 6.8 nF, from 10% to 90% of VOUT, SR Capacitor = 4.7 nF

SRR

–

25

–

V/

µs

Output Falling Slew Rate (Note 12)

VPWR = 14 V

CGATE = 6.8 nF, from 90% to 10% of VOUT, SR Capacitor = 4.7 nF

SRF

–

25

–

V/

µs

Output Turn-ON Delay Time (Note 13)

tDLY(ON)

–

200

–

ns

Output Turn-OFF Delay Time

tDLY(OFF)

–

400

–

ns

Input Switching Frequency (Note 14)

fPWM

–

60

kHz

Notes

11.

Refer to the paragraph entitled Sleep Mode on page 19.

12.

Parameter is guaranteed by process monitoring but is not production tested.

13.

Turn-ON delay time measured from rising edge of INHS that turns the output ON to VOUT = 0.5 V with RL= 5.0 Ω resistive load.

14.

Turn-OFF delay time measured from falling edge of INHS that turns the output OFF to VOUT = VPWR -0.5 V with RL= 5.0 Ω resistive load.

Freescale Semiconductor, Inc.

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