| Microsemi DRF1300 1.7KW RF方案 |
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| 作者:未知 来源:Microsemi 点击数:73 更新时间:2008-5-16 |
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Microsemi公司的DRF1300是推挽混合模块,包括有两个大功率栅极驱动器和两个功率MOSFET. DRF1300能使系统设计者增加灵活性,使系统有更高的性能和更低的成本,可已构成500V30A 30MHz的RF系统,其输出功率达到千瓦到几千瓦,可应用在C/D/E类RF信号发生器,开关模式功率放大器,高压脉冲发生器以及声光调制器等.本文介绍了DRF1300的主要特性,方框图以及典型的应用电路.
The DRF1300 is a push-pull hybrid containing two high power gate drivers and two power MOSFETs. It was designed to provide the system designer increased flexibility, higher performance, and lowered cost over a non-integrated solution. This low parasitic approach, coupled with the Schmitt trigger input, Kelvin signal ground, Anti-Ring function Invert and Non-invert select pin provide improved stability and control in Kilowatt to Multi-Kilowatt, High Frequency ISM applications.
主要特性: Switching Frequency: DC TO 30MHz Inverting Non-Inverting Select Low Pulse Width Distortion Single Power Supply (Per Section) 1V CMOS Schmitt Trigger Input 1V Hysteresis Switching Speed 3-4ns BVds = 500V Ids = 30A max. Per-section Rds(on) ≤ .24 Ohm PD = 550W Per-section RoHS Compliant
典型应用: Class C, D and E RF Generators Switch Mode Power Amplifiers HV Pulse Generators Ultrasound Transducer Drivers Acoustic Optical Modulators

图1.DRF1300电路框图

图2.DRF1300测试电路图
详情请见:
http://www.microsemi.com/datasheets/DRF1300_B.pdf |
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