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| 型号： | FAN3268TMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 13/17页 |
| 文件大小： | 0K |
| 描述： | IC BRIDGE DVR P/N-CH 2A 8SOIC |
| 标准包装： | 1 |
| 配置： | 半桥 |
| 输入类型： | 反相和非反相 |
| 延迟时间： | 14ns |
| 电流 - 峰： | 3A |
| 配置数： | 1 |
| 输出数： | 2 |
| 电源电压： | 4.5 V ~ 18 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 标准包装 |
| 其它名称： | FAN3268TMXDKR |
Layout and Connection Guidelines
The FAN3268 gate driver incorporates fast-reacting
input circuits, short propagation delays, and powerful
output stages capable of delivering current peaks over
2 A to facilitate voltage transition times from under 10ns
to over 150 ns. The following layout and connection
Operational Waveforms
Figure 28 shows startup waveforms for non-inverting
channel A. At power-up, the driver output for channel A
remains low until the V DD voltage reaches the UVLO turn-
on threshold, then OUTA operates in-phase with INA.
guidelines are strongly recommended:
? Keep high-current output and power ground paths
separate from l ogic and enable input signals and
signal ground paths. This is especially critical when
dealing with TTL-level logic thresholds at driver
inputs and enable pins.
?
Keep the driver as close to the load as possible to
minimize the length of high-current traces. This
reduces the series inductance to improve high-
speed switching, while reducing the loop area that
can radiate EMI to the driver inputs and
surrounding circuitry.
?
If the inputs to a channel are not externally
connected, the internal 100 k ? resistors indicated
VDD
INA
OUTA
UVLO
Turn-on threshold
on block diagrams command a low output (channel
A) or a high output (channel B). In noisy
environments, it may be necessary to tie inputs or
enables of an unused channel to VDD or GND
using short traces to prevent noise from causing
spurious output switching.
Figure 28. Non-Inverting Startup Waveforms
Figure 29 illustrates startup waveforms for inverting
channel B. At power-up, the driver output for channel B
is tied to V DD through an internal 100 kΩ resistor until
the V DD voltage reaches the UVLO turn-on threshold,
?
Many high-speed power circuits can be susceptible
to noise injected from their own output or other
external sources, possibly causing output re-
then OUTB operates out of phase with INB.
?
triggering. These effects can be obvious if the
circuit is tested in breadboard or non-optimal circuit
layouts with long input, enable, or output leads. For
best results, make connections to all pins as short
and direct as possible.
The turn-on and turn-off current paths should be
minimized.
VDD
INB
UVLO
Turn-on threshold
OUTB
Figure 29. Inverting Startup Waveforms
? 2009 Fairchild Semiconductor Corporation
FAN3268 ? Rev. 1.0.3
13
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN3268TMX_F085 | 制造商:Fairchild Semiconductor Corporation 功能描述:IC BRIDGE DVR P/N-CH 2A 8SOIC 制造商:Fairchild Semiconductor Corporation 功能描述:Gate Drivers 2A Low-Voltage PMOS-NMOS Bridge Driver |
| FAN3278 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:30V PMOS-NMOS Bridge Driver |
| FAN3278T | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:30V PMOS-NMOS Bridge Driver |
| FAN3278TMX | 功能描述:功率驱动器IC Low-Voltage 27V PMOS NMOS Bridge Driver 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 |
| FAN3506 | 功能描述:电流和电力监控器、调节器 Sec Side Control IC PC SMPS RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
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