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The LM2578A is a switching regulator which can easily be set up for such DC-to-DC voltage conversion circuits as the buck, boost, and inverting configurations. The LM2578A features a unique comparator input stage which not only has separate pins for both the inverting and non-inverting inputs, but also provides an internal 1.0V reference to each input, thereby simplifying circuit design and p.c. board layout. The output can switch up to 750 mA and has output pins for its collector and emitter to promote design flexibility. An external current limit terminal may be referenced to either the ground or the Vin terminal, depending upon the application. In addition, the LM2578A has an on board oscillator, which sets the switching frequency with a single external capacitor from <1 Hz to 100 kHz (typical).
The LM2578A is an improved version of the LM2578, offering higher maximum ratings for the total supply voltage and output transistor emitter and collector voltages.
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | LM2578A/LM3578A Switching Regulator 数据表 (Rev. E) | 2013年 4月 3日 | |||
| 应用手册 | AN-1066 Low Cost Boost Converters Using LM3578A (Rev. B) | 2013年 4月 23日 | ||||
| 更多文献资料 | Die D/S LM3578A MWC Switching Regulator | 2012年 9月 25日 | ||||
| 应用手册 | AN-1055 Low-Cost Multiple Output Flyback Converter for I/O Cards | 2004年 5月 10日 |
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This tool helps a power supply engineer to select the right isolated DC-DC topology based on the specifications. Depending on the topology chosen, the calculator also recommends the right IC for the design.
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| PDIP (P) | 8 | Ultra Librarian |
| SOIC (D) | 8 | Ultra Librarian |
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