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| 型号： | IRS26072DSPBF |
| 厂商： | International Rectifier |
| 文件页数： | 15/30页 |
| 文件大小： | 0K |
| 描述： | IC DVR HI/LOW SIDE 600V 8-SOIC |
| 标准包装： | 95 |
| 配置： | 高端和低端，独立 |
| 输入类型： | 非反相 |
| 延迟时间： | 200ns |
| 电流 - 峰： | 200mA |
| 配置数： | 1 |
| 输出数： | 2 |
| 高端电压 - 最大（自引导启动）： | 600V |
| 电源电压： | 10 V ~ 20 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-SOIC |
| 包装： | 管件 |
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IRS26072DSPbF
Integrated Bootstrap Functionality
The IRS26072D HVIC embeds an integrated bootstrap FET that eliminates the need of external bootstrap diodes
and resistors allowing an alternative drive of the bootstrap supply for a wide range of applications.
A bootstrap FET is connected between the high side floating power supply VB and the low side and logic fixed
power supply VCC (see Fig. 9).
V CC
Bootstrap FET
V B
Figure 9: Simplified Bootstrap FET connection
The bootstrap FET is suitable for complimentary PWM switching schemes only. Complimentary PWM refers to
PWM schemes where the HIN & LIN input signals are alternately switched on and off. IRS26072D is suitable for
sinusoidal motor control and the integrated bootstrap feature can be used either in parallel with the external
bootstrap network (diode and resistor) or as a replacement of it. The use of the integrated bootstrap as a
replacement of the external bootstrap network may have some limitations at very high PWM duty cycle,
corresponding to very short LIN pulses, due to the bootstrap FET equivalent resistance R BS . IRS26072D is NOT
recommended for trapezoidal motor control, even if an external bootstrap network is employed in parallel.
The bootstrap FET is conditioned as follows:
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bootstrap turns-off (immediately) or stays off when either:
- HO goes/stays high;
- V B goes/ stays high (> 1.1*V CC );
bootstrap turns-on when:
- LO is high (low side is on) AND V B is low (<1.1*V CC );
- LO and HO are low after a transition of LIN from high to low AND V B goes low (<1.1*V CC ) before
a fixed time of 20us;
- LO and HO are low after a transition of HIN from high to low AND V B goes low (<1.1*V CC ) before
a re-triggerable time of 20us. In this case the time counter is kept in reset state until VB goes
high (>1.1V CC ).
In Figure 10 the BootFET timing diagram details are represented.
www.irf.com
15
? 2009 International Rectifier
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IRS26072DSPBF_11 | 制造商:IRF 制造商全称:International Rectifier 功能描述:HIGH AND LOW SIDE DRIVER |
| IRS26072DSTRPBF | 功能描述:功率驱动器IC Hlf-Brdg Drvr IC motion Cntrl IC 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 |
| IRS2607DSPBF | 功能描述:功率驱动器IC 600V High Low 10 to 20V 530ns 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 |
| IRS2607DSPBF | 制造商:International Rectifier 功能描述:DRIVER |
| IRS2607DSTRPBF | 功能描述:功率驱动器IC Half Bridge Drvr Hi Volt & Hi Speed 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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