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参数资料
| 型号： | IXDF404PI |
| 厂商： | IXYS |
| 文件页数： | 10/11页 |
| 文件大小： | 0K |
| 描述： | IC MOSFET DRIVER LS 4A DUAL 8DIP |
| 标准包装： | 50 |
| 配置： | 低端 |
| 输入类型： | 反相和非反相 |
| 延迟时间： | 36ns |
| 电流 - 峰： | 4A |
| 配置数： | 2 |
| 输出数： | 2 |
| 电源电压： | 4.5 V ~ 25 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
IXDN404 / IXDI404 / IXDF404
PIN CONFIGURATIONS
1
2
NC
IN A
NC
O UT A
8
7
1
2
NC
IN A
NC
O UT A
8
7
1
2
NC
IN A
NC
O UT A
8
7
3
4
GND
INB
V S 6
O UT B 5
3
4
GND
INB
V S 6
O UT B 5
3
4
GND
INB
V S 6
O UT B 5
8 Lead PDIP (PI)
8 Pin SOIC (SI)
IXDN404
8 Lead PDIP (PI)
8 Pin SOIC (SI)
IXDI404
8 Lead PDIP (PI)
8 Pin SOIC (SI)
IXDF404
1 NC
2 IN A
3 NC
4 GND
5 GND
6 NC
7 IN B
8 NC
NC 16
O UT A 15
O UT A 14
VCC 13
VCC 12
O UT B 11
O UT B 10
NC 9
1 NC
2 IN A
3 NC
4 GND
5 GND
6 NC
7 IN B
8 NC
NC 16
O UT A 15
O UT A 14
VCC 13
VCC 12
O UT B 11
O UT B 10
NC 9
1 NC
2 IN A
3 NC
4 GND
5 GND
6 NC
7 IN B
8 NC
NC 16
O UT A 15
O UT A 14
VCC 13
VCC 12
O UT B 11
O UT B 10
NC 9
16 Pin SOIC
IXDN404SI-16
16 Pin SOIC
IXDI404SI-16
16 Pin SOIC
IXDF404SI-16
Supply Bypassing, Grounding Practices And Output Lead inductance
When designing a circuit to drive a high speed MOSFET
utilizing the IXDN404/IXDI404/IXDF404, it is very important to
observe certain design criteria in order to optimize performance
of the driver. Particular attention needs to be paid to Supply
Bypassing , Grounding , and minimizing the Output Lead
Inductance .
Say, for example, the IXDN404 is being used to charge a
2500pF capacitive load from 0 to 25 volts in 25ns .
Using the formula: I= ? V C / ? t, where ? V=25V C=2500pF &
? t=25ns, one can determine that to charge 2500pF to 25 volts
in 25ns will take a constant current of 2.5A. (In reality, the
charging current won’t be constant and will peak somewhere
around 4A).
SUPPLY BYPASSING
In order for the design to turn the load on properly, the IXDN404
must be able to draw this 2.5A of current from the power supply
in the 25ns. This means that there must be very low impedance
between the driver and the power supply. The most common
method of achieving this low impedance is to bypass the power
supply at the driver with a capacitance value that is a magnitude
larger than the load capacitance. Usually, this would be
achieved by placing two different types of bypassing capacitors,
with complementary impedance curves, very close to the driver
itself. (These capacitors should be carefully selected, low
inductance, low resistance, high-pulse current-service
capacitors). Lead lengths may radiate at high frequency due
to inductance, so care should be taken to keep the lengths of
the leads between these bypass capacitors and the IXDN404
to an absolute minimum.
10
GROUNDING
In order for the design to turn the load off properly, the IXDN404
must be able to drain this 2.5A of current into an adequate
grounding system. There are three paths for returning current
that need to be considered: Path #1 is between the IXDN404
and its load. Path #2 is between the IXDN404 and its power
supply. Path #3 is between the IXDN404 and whatever logic is
driving it. All three of these paths should be as low in resistance
and inductance as possible, and thus as short as practical. In
addition, every effort should be made to keep these three
ground paths distinctly separate. Otherwise, the returning
ground current from the load may develop a voltage that would
have a detrimental effect on the logic line driving the IXDN404.
OUTPUT LEAD INDUCTANCE
Of equal importance to Supply Bypassing and Grounding are
issues related to the Output Lead Inductance. Every effort
should be made to keep the leads between the driver and its
load as short and wide as possible. If the driver must be placed
farther than 2” (5mm) from the load, then the output leads
should be treated as transmission lines. In this case, a twisted-
pair should be considered, and the return line of each twisted
pair should be placed as close as possible to the ground pin
of the driver, and connected directly to the ground terminal
of the load.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IXDF404SI | 功能描述:功率驱动器IC 40V 4A RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IXDF404SI-16 | 功能描述:功率驱动器IC 40V 4A RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IXDF404SIA | 功能描述:功率驱动器IC 4 Amps 40V 2.5 Ohms Rds RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| IXDF404SIA-16 | 制造商:IXYS 制造商全称:IXYS Corporation 功能描述:4 Ampere Dual Low-Side Ultrafast MOSFET Drivers |
| IXDF502D1 | 功能描述:功率驱动器IC 2 Amps 35V 3 Rds RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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