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PDF AUIR3314 Data sheet ( Hoja de datos )
| Número de pieza | AUIR3314 | |
| Descripción | PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AUIR3314 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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November, 14th 2010
Automotive grade
AUIR3314(S)
PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH
Features
Load current feedback
Programmable over current shutdown
Active clamp
ESD protection
Input referenced to Vcc
Over temperature shutdown
Reverse battery protection
Lead-Free
Description
The AUIR3314(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. Over
current shutdown occurs when Vifb-Vin > 4.7V. The
current shutdown threshold is adjusted by selecting the
proper RIfb. 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)
12 m max.
Vcc op.
6 to 32V
Current Ratio
5300
Prog. Ishutdown 6 to 58A
Vclamp
40V
Packages
TO-220
AUIR3314
D²Pak
Pin 4 and 5 fused
AUIR3314S
Current feeback
Input
On
Off
www.irf.com
Vcc
IN AUIR3314
Ifb
10k
Out
Battery
Rifb
Logic
Ground
Power
Ground
Load
1
Free Datasheet http://www.datasheet4u.com/
1 page  
AUIR3314(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
Offset
Load current diagnostic offset
trst Ifb response time (low signal)
Functional Block Diagram
All values are typical
Min.
4800
-5
-0.15
Typ.
5300
0
1
Max.
6000
+5
+0.18
Units
%
A
µs
Test Conditions
Rfb=500, Iout=40A
Tj=-40°C to 150°C
Iout=2A
90% of the Iout step
VCC
43V 3mA
+
-
4.7V
-
+
Charge
Pump
Driver
On/Off
Fast turn-off
ResetLatchQ
Set
Iout > 72A
Tj > 165°C
+
-
35V
Wait
timer
1 ms
timer
400µs
Min. Pulse
-
+
reverse
battery
protection
38V
43V
43V
IN IFB OUT
www.irf.com
5
Free Datasheet http://www.datasheet4u.com/
5 Page 
Case Outline - TO220 - 5 Leads
AUIR3314(S)
www.irf.com
11
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet AUIR3314.PDF ] | |
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