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PDF 33981 Data sheet ( Hoja de datos )
| Número de pieza | 33981 | |
| Descripción | Single High Side Switch | |
| Fabricantes | Freescale Semiconductor | |
| Logotipo |  |
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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 m RDS(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 m RDS(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.
1 page  
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
MAXIMUM RATINGS
Table 3. Maximum Ratings
All voltages are with respect to ground unless otherwise noted.
Rating
Symbol
Value
Unit
ELECTRICAL RATINGS
Power Supply Voltage
Steady-state
Input/Output Pins Voltage(2)
Output Voltage
Positive
Negative
Continuous Output Current(3)
CSNS Input Clamp Current
EN Input Clamp Current
SR Voltage
CBOOT Voltage
OCLS Voltage
Low Side Gate Voltage
Low Side Drain Voltage
ESD Voltage(4)
Human Body Model (HBM)
Charge Device Model (CDM)
Corner Pins (1, 12, 15, 16)
All Other Pins (2-11, 13-14)
VPWR
INHS, INLS,
CONF, CSNS, FS,
TEMP, EN
VOUT
IOUT
ICL(CSNS)
ICL(EN)
VSR
CBOOT
VOCLS
VGLS
VDLS
VESD
-16 to 41
-0.3 to 7.0
41.0
-5.0
40.0
15.0
2.5
-0.3 to 54.0
-0.3 to 54.0
-5.0 to 7.0
-0.3 to 15.0
-5.0 to 41.0
± 2000
± 750
± 500
V
V
V
A
mA
mA
V
V
V
V
V
V
Notes
2. Exceeding voltage limits on INHS, INLS, CONF, CSNS, FS, TEMP, and EN pins may cause a malfunction or permanent damage to the
device.
3. Continuous high side output rating as long as maximum junction temperature is not exceeded. Calculation of maximum output current
using package thermal resistance is required.
4. ESD testing is performed in accordance with the Human Body Model (HBM) (CZAP = 100 pF, RZAP = 1500 ) and the Charge Device
Model (CDM), Robotic (CZAP = 4.0 pF).
Analog Integrated Circuit Device Data
Freescale Semiconductor
33981
5
5 Page 
TIMING DIAGRAMS
ELECTRICAL CHARACTERISTICS
TIMING DIAGRAMS
INHS
5.0 V
0.0 V
VOUT
VPWR - 0.5 V
0.5 V
RPWM
50%VPWR
VOUT
90% Vout
10% Vout
t DLY(ON)
t DLY(OFF)
SRR
SR F
Figure 4. Time Delays Functional Diagrams
EN
FS tON After
CONF
INHS
5.0 V
INLS
OUT
GLS
Figure 5. Normal Mode, Cross-Conduction Management
Analog Integrated Circuit Device Data
Freescale Semiconductor
33981
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet 33981.PDF ] | |
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