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PDF AUIR3317S Data sheet ( Hoja de datos )
| Número de pieza | AUIR3317S | |
| Descripción | LOW EMI CURRENT SENSE HIGH SIDE SWITCH | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AUIR3317S (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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June, 10th 2010
Automotive grade
AUIR3317(S)
LOW EMI CURRENT SENSE HIGH SIDE SWITCH
Features
Load current feedback
Over current shutdown
Active clamp
ESD protection
Input referenced to Vcc
Over temperature shutdown
Switching time optimized for low EMI
Reverse battery protection
Description
The AUIR3317(S) is a fully protected 4 terminals high side
switch. The input signal is referenced to Vcc. When the
input voltage Vcc - Vin is higher than the specified
threshold, the output power Mosfet is turned on. When the
Vcc - Vin is lower than the specified Vil threshold, the
output Mosfet is turned off. A current proportional to the
power Mosfet current is sourced to the Ifb pin. Either over
current and over temperature latches off the switch. The
device is reset by pulling the input pin high. Other
integrated protections (ESD, reverse battery, active clamp)
make the switch very rugged in automotive environment.
Typical Connection
Product Summary
Rds(on)
Vcc op.
Current Ratio
Over-current
Vclamp
7 m max.
6 to 26V
8800
120A
40V
Package
TO-220
AUIR3317
D²Pak
Pin 4 and 5 fused
AUIR3317S
Current feeback
Input
On
Off
Vcc
IN AUIR3317S
Ifb
10k
Out
Battery
Rifb
Logic
Ground
Power
Ground
Load
www.irf.com
1
1 page  
AUIR3317(S)
Current Sense Characteristics
Tj=-40°..150°C, Vcc=6..26V (unless otherwise specified)
Symbol Parameter
Ratio
I Load/Iifb current ratio
Ratio_TC I Load/Iifb variation aver temperature(6)
Offset
Load current diagnostic offset
trst Ifb response time (low signal)
Min.
8,200
-5
-0.2
Typ.
8,800
0
1
Max.
9,950
+5
+0.25
Units
%
A
µs
Test Conditions
Rfb=500, Iout=60A
Tj=-40°C to 150°C
Iout=2A
90% of the Iout step
Functional Block Diagram
All values are typical
VCC
43V 3mA
Charge
Pump
Driver
On/Off
Fast turn-off
38V
+
-
ResetLatchQ
Set
+
-
29V
Wait
timer
1 ms
timer
400µs
Min. Pulse
-
+
Iout > 120A
Tj > 165°C
reverse
battery
protection
43V
43V
IN IFB OUT
www.irf.com
5
5 Page 
Case Outline - TO220 - 5 Leads
AUIR3317(S)
www.irf.com
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet AUIR3317S.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
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| AUIR3317STRL | LOW EMI CURRENT SENSE HIGH SIDE SWITCH | International Rectifier |
| AUIR3317STRR | LOW EMI CURRENT SENSE HIGH SIDE SWITCH | International Rectifier |
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