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PDF DEIC420 Data sheet ( Hoja de datos )
| Número de pieza | DEIC420 | |
| Descripción | 20 Ampere Low-Side Ultrafast RF MOSFET Driver | |
| Fabricantes | IXYS Corporation | |
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DEIC420
20 Ampere Low-Side Ultrafast RF MOSFET Driver
Features
• Built using the advantages and compatibility
of CMOS and IXYS HDMOSTM processes
• Latch-Up Protected
• High Peak Output Current: 20A Peak
• Wide Operating Range: 8V to 30V
• Rise And Fall Times of <4ns
• Minimum Pulse Width Of 8ns
• High Capacitive Load
Drive Capability: 4nF in <4ns
• Matched Rise And Fall Times
• 32ns Input To Output Delay Time
• Low Output Impedance
• Low Quiescent Supply Currentt
Applications
• Driving RF MOSFETs
• Class D or E Switching Amplifier Drivers
• Multi MHz Switch Mode Power Supplies (SMPS)
• Pulse Generators
• Acoustic Transducer Drivers
• Pulsed Laser Diode Drivers
• DC to DC Converters
• Pulse Transformer Driver
Figure 1 - DEIC420 Functional Diagram
Description
TheDEIC420 is a CMOS high speed high current gate
driver specifically designed to drive MOSFETs in Class D
and E HF RF applications at up to 45MHz, as well as
other applications requiring ultrafast rise and fall times or
short minimum pulse widths. The DEIC420 can source
and sink 20A of peak current while producing voltage rise
and fall times of less than 4ns, and minimum pulse
widths of 8ns. 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 DEIC420. Its features and wide
safety margin in operating voltage and power make the
DEIC420 unmatched in performance and value.
The DEIC420 is packaged in DEI's low inductance RF
package incorporating DEI's patented (1) RF layout
techniques to minimize stray lead inductances for
optimum switching performance. For applications that do
not require the power dissipation of the DEIC420, the
driver is also available in a 28 pin SOIC package. See
the IXDD415SI data sheet for additional information. The
DEIC420 is a surface-mount device, and incorporates
patented RF layout techniques to minimize stray lead
inductances for optimum switching performance.
(1) DEI U.S. Patent #4,891,686
Copyright © DIRECTED ENERGY, INC. 2001
First Release
1 page  
Fig. 10
50
PropagationDelayvs. Supply Voltage
CL=4nF VIN=5V@100kHz
DEIC420
40
tONDLY
30
tOFFDLY
20
10
0
8 10 12 14 16 18
Supply Voltage (V)
Typical Output Waveforms
Unless otherwise noted, all waveforms are taken driving a 1nF load, 1MHz repetition frequency, VCC=15V, Case Temperature = 25°C
Figure 11
3ns Rise Time
Figure 12
3ns Fall Time
Figure 13
<8ns Minimum Pulse Width
Figure 14 1MHz CW Repetition Frequency
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet DEIC420.PDF ] | |
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