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PDF IXDD408CI Data sheet ( Hoja de datos )
| Número de pieza | IXDD408CI | |
| Descripción | 8 Amp Low-Side Ultrafast MOSFET Driver | |
| Fabricantes | IXYS Corporation | |
| Logotipo |  |
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IXDD408PI / 408SI / 408YI / 408CI
8 Amp Low-Side Ultrafast MOSFET Driver
Features
• Built using the advantages and compatibility
of CMOS and IXYS HDMOSTM processes.
• Latch Up Protected
• High Peak Output Current: 8A Peak
• Operates from 4.5V to 25V
• Ability to Disable Output under Faults
• High Capacitive Load
Drive Capability: 2500pF in <15ns
• Matched Rise And Fall Times
• Low Propagation Delay Time
• Low Output Impedance
• Low Supply Current
Applications
• Driving MOSFETs and IGBTs
• Limiting di/dt under Short Circuit
• Motor Controls
• Line Drivers
• Pulse Generators
• Local Power ON/OFF Switch
• Switch Mode Power Supplies (SMPS)
• DC to DC Converters
• Pulse Transformer Driver
• Class D Switching Amplifiers
Figure 1 - Functional Diagram
General Description
The IXDD408 is a high speed high current gate driver
specifically designed to drive the largest MOSFETs and
IGBTs to their minimum switching time and maximum
practical frequency limits. The IXDD480 can source and
sink 8A of peak current while producing voltage rise and
fall times of less than 30ns. The input of the driver is
compatible with TTL or CMOS and is fully immune to
latch up over the entire operating range. Designed with
small internal delays, cross conduction/current shoot-
through is virtually eliminated in the IXDD408. Its features
and wide safety margin in operating voltage and power
make the IXDD408 unmatched in performance and value.
The IXDD408 incorporates a unique ability to disable the
output under fault conditions. When a logical low is
forced into the Enable input, both final output stage
MOSFETs (NMOS and PMOS) are turned off. As a
result, the output of the IXDD408 enters a tristate mode
and achieves a Soft Turn-Off of the MOSFET/IGBT when
a short circuit is detected. This helps prevent damage
that could occur to the MOSFET/IGBT if it were to be
switched off abruptly due to a dv/dt over-voltage tran-
sient.
The IXDD408 is available in the standard 8-pin P-DIP (PI),
SOP-8 (SI), 5-pin TO-220 (CI) and in the TO-263 (YI)
surface-mount package.
Copyright © IXYS CORPORATION 2001 Patent Pending
First Release
1 page  
Fig. 9
100
SupplyCurrent vs. LoadCapacitance
Vcc=18V
1 MHz
10
500 KHz
100 kHz
1
50 kHz
10 kHz
0.1
0.1k
Fig. 11
100
1.0k
Load Capacitance (pF)
10.0k
SupplyCurrent vs. LoadCapacitance
Vcc=12V
10
1 MHz
500 KHz
1 100kHz
50 kHz
10 kHz
0.1
0.1k
1.0k
Load Capacitance (pF)
Fig. 13
100
SupplyCurrent vs. LoadCapacitance
Vcc=8V
10.0k
10 2MHz
1 MHz
500 KHz
1
100 kHz
50 kHz
0.1
10 kHz
0.1k
1.0k
Load Capacitance (pF)
10.0k
IXDD408PI/408SI/408YI/408CI
Fig. 10
100
SupplyCurrent vs. Frequency
Vcc=18V
CL= 5000 pF
10 2500pF
1000 pF
1
0.1
1
Fig. 12
100
10
1
10 100
Frequency (kHz)
SupplyCurrent vs. Frequency
Vcc=12V
1000
CL= 5000 pF
2500 pF
1000 pF
0.1
1
Fig. 14
100
10 100
Frequency (kHz)
SupplyCurrent vs. Frequency
Vcc=8V
1000
CL= 5000 pF
10
2500 pF
1000 pF
1
0.1
1
5
10 100
Frequency (kHz)
1000
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet IXDD408CI.PDF ] | |
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