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| 型号： | IRS2509SPBF |
| 厂商： | International Rectifier |
| 文件页数： | 10/21页 |
| 文件大小： | 0K |
| 描述： | IC MOSFET DRIVER |
| 标准包装： | 95 |
| 系列： | * |
IRS2509SPbF
Negative V S Transient SOA
A common problem in today’s high-power switching converters is the transient response of the switch node’s voltage as the power
switches transition on and off quickly while carrying a large current. A typical 3-phase inverter circuit is shown in Figure 11; here we
define the power switches and diodes of the inverter.
If the high-side switch (e.g., the IGBT Q1 in Figures 12 and 13) switches off, while the U phase current is flowing to an inductive load,
a current commutation occurs from high-side switch (Q1) to the diode (D2) in parallel with the low-side switch of the same inverter
leg. At the same instance, the voltage node V S1 , swings from the positive DC bus voltage to the negative DC bus voltage.
Figure 11: Three phase inverter
DC+ BUS
DC+ BUS
Q1
ON
V S1
I U
Q1
OFF
V S1
D1
I U
Q2
D2
Q2
D2
OFF
DC- BUS
Figure 12: Q1 conducting
OFF
DC- BUS
Figure 13: D2 conducting
Also when the V phase current flows from the inductive load back to the inverter (see Figures 14 and 15), and Q4 IGBT switches on,
the current commutation occurs from D3 to Q4. At the same instance, the voltage node, V S2 , swings from the positive DC bus voltage
to the negative DC bus voltage.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRS2509STRPBF | 功能描述:功率驱动器IC 600V 999A OTHER 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 |
| IRS2526DSPBF | 功能描述:功率驱动器IC 600V Mini Ballast Controller Icr 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 |
| IRS2526DSTRPBF | 功能描述:功率驱动器IC 600V Mini Ballast Controller Icr 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 |
| IRS2530 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DIMMING BALLAST CONTROL IC |
| IRS2530D | 制造商:IRF 制造商全称:International Rectifier 功能描述:DIM8TM DIMMING BALLAST CONTROL IC |
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