MC33981BHFK Freescale Semiconductor, MC33981BHFK Datasheet

MC33981BHFK

Manufacturer Part Number

MC33981BHFK

Description

HF 4.0MOHM RDSON SWITCH

Manufacturer

Freescale Semiconductor

Datasheet

1.MC33981BHFK.pdf (40 pages)

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Freescale Semiconductor

Technical Data

Freescale Semiconductor, Inc. reserves the right to change the detail specifications,

as may be required, to permit improvements in the design of its products.

Single High Side Switch

(4.0 mOhm), PWM clock up to

60 kHz

side switch used to replace electromechanical relays, fuses, and

discrete devices in power management applications.

a frequency up to 60 kHz. It is designed for harsh environments, and it

includes self-recovery features. The 33981 is suitable for loads with high

inrush current, as well as motors and all types of resistive and inductive

loads.

PQFN package with exposed tabs.

• Single 4.0 m R

• PWM capability up to 60 kHz with duty cycle from 5% to 100%

• Very low standby current

• Slew-rate control with external capacitor

• Over-current and over-temperature protection, under-voltage

• Reverse battery protection

• Gate drive signal for external low side N-channel MOSFET with

• Output current monitoring

• Temperature feedback

The 33981 is a high frequency, self-protected 4.0 m R

The 33981 can be controlled by pulse-width modulation (PWM) with

The 33981 is packaged in a 12 x 12 mm non-leaded power-enhanced

Features

shutdown, and fault reporting

protection features

DS(ON)

maximum high side switch

MCU

Figure 1. 33981 Simplified Application Diagram

A/D

I/O

DS(ON)

CONF

INLS

INHS

TEMP

CSNS

OCLS SR GND

high

33981

CBOOT

VPWR

OUT

PWR

GLS

DLS

MC33981BHFK

MC33981ABHFK

(Add R2 Suffix for

Tape and Reel)

Device

ORDERING INFORMATION

HIGH SIDE SWITCH

16-PIN PQFN (12 X 12)

FK (Pb-Free Suffix)

98ARL10521D

Document Number: MC33981

Bottom View

33981

Temperature

- 40 to 125 °C

Range (T

Rev. 11.0, 7/2012

)

16 PQFN

Package

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