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PDF AUIR33401S Data sheet ( Hoja de datos )
| Número de pieza | AUIR33401S | |
| Descripción | PROTECTED HIGH SIDE SWITCH | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AUIR33401S (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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August 2008
Automotive Grade
AUIR33401S
PROTECTED HIGH SIDE SWITCH
FOR AUTOMOTIVE DC MOTOR DRIVE
Features
• Up to 20Khz PWM switching capability
• Charge pump for DC operation
• Active Dv/Dt control
• Load current feedback
• Short-circuit protection
• Programmable over current shutdown
• Over temperature shutdown
• Under voltage shutdown
• Gnd, IN and bootstrap pin loss protection
• E.S.D protection
• Low power mode
• Leadfree, RoHS compliant
• Automotive qualified*
Product Summary
Rds(on)@25°C 3.5mΩ max.
Max current
33A
Operating voltage 6 – 18V
Application
• Fan engine cooling
• Air conditioning blower
• Pumps (oil, fuel, water…)
• Compressor
Package
Description
www.DataSheet.net/
The AUIR33401S is a 7 terminals high side switch for variable
speed DC motor. It features simplify the design of the DC
motor drive with a microcontroller. The Mosfet switches the
power load proportionally to the input signal duty cycle at the
same frequency and provides a current feedback on the Ifbk
pin. The over-current shutdown is programmable from 10A to
33A. Over-current, over-temperature latch OFF the power
switch, providing a digital diagnostic status on the input pin. In
sleep mode, the device consumes less than 10uA.
Further integrated protections such as ESD, GND and Cboot
disconnect protection guarantee safe operation in harsh
conditions of the automotive environment.
D2Pak - 7 leads
* Qualification standards can be found on IR’s web
site ww.irf.com
© 2007 International Rectifier
1
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
AUIR33401S
In pin and digital diagnostic
The IN has two functions. In normal working condition, the output follows the IN pin digital level. In latched fault condition
(over current and over temperature shutdown), the IN pin provides a digital frequency signal feedback to the µ-processor.
Vpwm
5v
Tpwron_rst
Fault
Reset
fault
Tslp
Input pin
Diag
5v
VdiagL
Vout
Vcc
www.DataSheet.net/
11
2 × FDiag
Figure 2: Wake sequence, sleep mode and reset latched fault.
ww.irf.com
© 2007 International Rectifier
5
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page 
AUIR33401S
4 VIL VIH
Hihyst
Vin uP
3
2
1
0
-50 -25 0 25 50 75 100 125 150
Temperature in °C
5
4
3
Vifb-gnd
2
1
0
-50 -25 0 25 50 75 100 125 150
Temperature in °C
Figure 5: Input parameters vs. temperature
www.DataSheet.net/
Figure 6: Vifb-gnd vs. temperature
6
5
4
3 UV LO
UV HI
2 UV Hyst
1
0
-50 -25 0 25 50 75 100 125 150
Temperature in °C
Figure 7: Under voltage parameters vs.
temperature
180%
160%
140%
120%
100%
80%
60%
40%
20%
0%
-50 -25 0 25 50 75 100 125 150
Tj, junction temperature in °C
Figure 8: Normalized Rdson Vs Tj
ww.irf.com
© 2007 International Rectifier
11
Datasheet pdf - http://www.DataSheet4U.co.kr/
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet AUIR33401S.PDF ] | |
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