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Freescale Semiconductor Electronic Components Datasheet

PC33981 Datasheet

Self-Protected High-Side Switch

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MOTOROLA
Freescale Semiconductor, Inc.
SEMICONDUCTOR TECHNICAL DATA
Document order number: MC33981
Rev 2.0, 10/2004
Preliminary Information
High-Frequency, High-Current,
Self-Protected High-Side Switch
(4.0 mup to 60 kHz)
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 nonleaded power-enhanced Power
QFN 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
• Overcurrent and Overtemperature Protection, Undervoltage 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
33981
HIGH-SIDE SWITCH
4.0 m
Bottom View
PNA SUFFIX
SCCAASEL1E4021-0:21
16-TERMINAL PQFN (12 X 12)
ORDERING INFORMATION
Device
Temperature
Range (TA)
Package
PC33981PNA/R2 -40°C to 125°C 16 PQFN
33981 SimplifieSdimAplpifpieldicAaptpiolincaDtioiangDriaamgram
VDD VDD
I/O
I/O
MCU I/O
I/O
A/D
A/D
VPWR
33981
SR
CONF
FS
INLS
EN
INHS
TEMP
CSNS
VPWR
CBOOT
OUT
DLS
GLS
OCLS GND
M
This document contains information on a product under development.
Motorola reserves the right to change or discontinue this product without notice.
© Motorola, Inc. 2004
For More Information On This Product,
Go to: www.freescale.com
http://www.Datasheet4U.com/


Freescale Semiconductor Electronic Components Datasheet

PC33981 Datasheet

Self-Protected High-Side Switch

No Preview Available !

Freescale Semiconductor, Inc.
VPWR
TEMP
Temperature
Feedback
Undervoltage
Detection
Bootstrap Supply
SR
FS
EN
INHS
INLS
Logic
CONF
5.0 V
RDWN
ICONF
IDWN
Cross-
Conduction
Gate Driver
Slew Rate Control
Current Protection
100 A
Overtemperature
Detection
OUT Current
Recopy
1/20000
5.0 V
Low-Side
Gate Driver
and Protection
IOCLS
GND
CSNS
OCLS
Figure 1. 33981 Simplified Internal Block Diagram
CBOOT
OUT
GLS
DLS
33981
2
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
http://www.Datasheet4U.com/


Part Number PC33981
Description Self-Protected High-Side Switch
Maker Freescale Semiconductor
Total Page 24 Pages
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