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PDF AUIR3200S Data sheet ( Hoja de datos )
| Número de pieza | AUIR3200S | |
| Descripción | MOSFET DRIVER | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Automotive grade
AUIR3200S
MOSFET DRIVER WITH PROTECTION AND DIAGNOSTIC
Features
• Bootstrap and charge pump
• Over temperature shutdown (with Ptc interface)
• Short circuit protection (Vds detection)
• Reverse battery protection (turns On the MOSFET)
• Diagnostic
• ESD protection
Product Summary
Operating voltage 6-36V
Vgate 6V
Description
The AUIR3200S is a high side mosfet driver for very low
Rdson automotive application. It offers over-current, over-
temperature protection and diagnostic. The over-current
protection is done by monitoring the Vds voltage, the
threshold is programmable by external resistor. The over-
temperature protection uses a thermal sensor. The
AUIR3200S offers diagnostic on the input pin.
Package
http://www.DataSheet4U.net/
SO8
Ordering Information
Base Part Number Package Type
AUIR3200S
SOIC-8 leads
Standard Pack
Form
Tube
Tape and Reel
Quantity
95
2500
Complete Part Number
AUIR3200S
AUIR3200STR
1 www.irf.com © 2012 International Rectifier
November 02, 2012
datasheet pdf - http://www.DataSheet4U.net/
1 page  
AUIR3200S
Switching Characteristics
Tj=-40..125°C, Vcc=6..36V (unless otherwise specified), typical value are given for Vcc=14V and Tj=25°C.
Symbol
Parameter
Min. Typ. Max. Units Test Conditions
Tdon
Turn-on delay to 20% of Vgs
1.6
Qg=220nc,
Tr
Tdoff
Rise time 20% to 80% of Vgs
Turn off delay time to 80% of Vgs
1
2
Rgate=0Ω
µs
Tf
Fall time from 80% to 20% of Vgs
1
Igs+
Gate output high pulsed current
Igs- Gate output low pulsed current
100 160
100 130
mA
Vgs=0V
Vgs=5.7V
Iboot
Cboot capacitor charge current
0.35 0.8
A
Vboot-Source Cboot capacitor charge voltage
5.6 6
V
True Table
Operating Conditions
Normal ON
Normal OFF
Short circuit to Gnd
Short circuit to Gnd
Over-temperature
Over-temperature
IN
H
L
H
L
H
L
OUT
H
L
L
L
L
L
DG
H
L
L
L
L
L
http://www.DataSheet4U.net/
5 www.irf.com © 2012 International Rectifier
November 02, 2012
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
AUIR3200S
IN frequency and duty cycle
The Vds protection is not active if the time ON is lower than Tblank on.
So the minimum time ON (ton) is ‘Tblank on max’ to be sure that this protection will be active.
The times OFF (toff) needs to be setup for assure that the capacitor bootstrap will be recharged up to 6V. The bootstrap
time charge depends of the bootstrap capacitor value and the inductance load value.
ton
IN toff
Vboot
6V
Vds
MOSFET
Vdiag
0V
Vds
threshold
0V
Normal mode
http://www.DataSheet4U.net/
Figure 8
If the capacitor is discharged at the turn ON of the MOSFET, the AUIR3200S will detect a fault (VDS protection) after
Tblank ON because the MOSFET won’t be fully ON.
IN
Vboot
Vds
MOSFET
Vdiag
Tblank On
VDS > VDS threshold
Tblank On
0V
VDS threshold
0V
Normal mode
Figure 9
Fault mode
11 www.irf.com © 2012 International Rectifier
November 02, 2012
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet AUIR3200S.PDF ] | |
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