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Freescale Semiconductor - Single High Side Switch

Numéro de référence 33981
Description Single High Side Switch
Fabricant Freescale Semiconductor 
Logo Freescale Semiconductor 





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33981 fiche technique
Freescale Semiconductor
Technical Data
Single High Side Switch
(4.0 mOhm), PWM clock up to
60 kHz
Document Number: MC33981
Rev. 11.0, 7/2012
33981
The 33981 is a high frequency, self-protected 4.0 mRDS(ON) high
side switch used to replace electromechanical relays, fuses, and
discrete devices in power management applications.
The 33981 can be controlled by pulse-width modulation (PWM) with
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.
The 33981 is packaged in a 12 x 12 mm non-leaded power-enhanced
PQFN package with exposed tabs.
Features
• Single 4.0 mRDS(ON) maximum high side switch
• 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
shutdown, and fault reporting
• Reverse battery protection
• Gate drive signal for external low side N-channel MOSFET with
protection features
• Output current monitoring
• Temperature feedback
HIGH SIDE SWITCH
Bottom View
FK (Pb-Free Suffix)
98ARL10521D
16-PIN PQFN (12 X 12)
ORDERING INFORMATION
Device
(Add R2 Suffix for
Tape and Reel)
Temperature
Range (TA)
Package
MC33981BHFK
MC33981ABHFK
-40 to 125 °C
16 PQFN
VDD
VDD
I/O
I/O
MCU I/O
I/O
A/D
A/D
VPWR
33981
CONF
FS
INLS
EN
INHS
TEMP
CSNS
VPWR
CBOOT
OUT
DLS
GLS
OCLS SR GND
M
Figure 1. 33981 Simplified Application Diagram
Freescale Semiconductor, Inc. reserves the right to change the detail specifications,
as may be required, to permit improvements in the design of its products.
© Freescale Semiconductor, Inc., 2007 - 2012. All rights reserved.

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