LM5111
- Independently Drives Two N-Channel MOSFETs
- Compound CMOS and Bipolar Outputs Reduce Output Current Variation
- 5-A Sink and 3-A Source Current Capability
- Two Channels can be Connected in Parallel to Double the Drive Current
- Independent Inputs (TTL Compatible)
- Fast Propagation Times (25 ns Typical)
- Fast Rise and Fall Times (14 ns and 12 ns Rise and Fall, Respectively, With 2-nF Load)
- Available in Dual Noninverting, Dual Inverting and Combination Configurations
- Supply Rail Undervoltage Lockout Protection (UVLO)ƒ
- LM5111-4 UVLO Configured to Drive PFET through OUT_A and NFET through OUT_B
- Pin Compatible With Industry Standard Gate Drivers
The LM5111 Dual Gate Driver replaces industry standard gate drivers with improved peak output current and efficiency. Each compound output driver stage includes MOS and bipolar transistors operating in parallel that together sink more than 5-A peak from capacitive loads. Combining the unique characteristics of MOS and bipolar devices reduces drive current variation with voltage and temperature. Undervoltage lockout protection is also provided. The drivers can be operated in parallel with inputs and outputs connected to double the drive current capability. This device is available in the SOIC package or the thermally enhanced
MSOP-PowerPAD package.
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檢視所有 8 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM5111 Dual 5-A Compound Gate Driver datasheet (Rev. H) | PDF | HTML | 2016年 9月 28日 |
| Application note | Why use a Gate Drive Transformer? | PDF | HTML | 2024年 3月 4日 | |
| Application brief | External Gate Resistor Selection Guide (Rev. A) | 2020年 2月 28日 | ||
| Application brief | Understanding Peak IOH and IOL Currents (Rev. A) | 2020年 2月 28日 | ||
| Application note | Improving Efficiency of DC-DC Conversion through Layout | 2019年 5月 7日 | ||
| More literature | Fundamentals of MOSFET and IGBT Gate Driver Circuits (Replaces SLUP169) (Rev. A) | 2018年 10月 29日 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 2018年 6月 25日 | ||
| EVM User's guide | AN-1937 LM3433 10A to 40A LED Driver Evaluation Board (Rev. D) | 2013年 5月 3日 |
設計與開發
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開發板
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使用指南: PDF
模擬工具
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參考設計
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| HVSSOP (DGN) | 8 | 檢視選項 |
| SOIC (D) | 8 | 檢視選項 |
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