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부품번호 MC33981 기능
기능 High-Frequency / High-Current / Self-Protected High-Side Switch
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MC33981 데이터시트, 핀배열, 회로
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




MC33981 pdf, 반도체, 판매, 대치품
Freescale Semiconductor, Inc.
TERMINAL DEFINITIONS (continued)
Functional descriptions of some of these terminals can be found in the System/Application Information section beginning on
page 19.
Terminal
14
Terminal
Name
VPWR
Formal Name
Positive Power Supply
Definition
This terminal connects to the positive power supply and is the source input of
operational power for the device. The VPWR terminal is a backside surface mount tab
of the package.
15, 16
OUT
Output
Protected high-side power output to the load. Output terminals must be connected in
parallel for operation.
33981
4
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com

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MC33981 전자부품, 판매, 대치품
Freescale Semiconductor, Inc.
STATIC ELECTRICAL CHARACTERISTICS (continued)
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
POWER OUTPUT (continued)
Overtemperature Shutdown
Overtemperature Shutdown Hysteresis (Note 9)
Low-Side Gate
VPWR = 6.0 V
VPWR = 9.0 V
VPWR = 13 V
VPWR = 27 V
TSD 160 175 190 °C
TSD(HYS)
5.0
20 °C
VGSLS
V
– 6.0 –
– 9.0 –
– 12 –
– 12 –
Low-Side Gate Current
C = 4.7 nF
I GSLS
mA
– 100 –
Low-Side Overload Detection Level versus Low-Side Drain Voltage
VOCLS - VDLS
VDS_LS
mV
– 50
Temperature Feedback
TJ = 25°C
TFeed
V
TBD 4.75 TBD
Temperature Feedback Derating
CONTROL INTERFACE
DTFeed
-12
– mV/°C
Input Logic High Voltage (Note 10)
Input Logic Low Voltage (Note 10)
Input Logic Voltage Hysteresis (Note 10)
Input Logic Active Pulldown Current (INHS, INLS)
Input Logic Pulldown Resistor (EN)
VIH 0.7 – – VDD
VIL – – 0.2 VDD
VIN(HYS)
100
350
750 mV
IDWN
5.0
20 µA
RDWN
100 200 400 k
Input Active Pullup Current (OCLS)
IOCLSp – 100 – µA
Input Active Pullup Current (CONF)
FS Tri-State Capacitance (Note 9)
ICONF – 10 – µA
CSO – – 20 pF
FS Low-State Output Voltage
VSOL
– 0.2 0.4 V
Notes
9. Parameter is guaranteed by process monitoring but is not production tested.
10. Upper and lower logic threshold voltage range applies to EN, CONF, INHS, and INLS input signals.
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
For More Information On This Product,
Go to: www.freescale.com
33981
7

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