產品規格表
LM5036
- High integration controller for small form factor, high-density DC-DC power converters
- Integrated 100-V, 100-mA auxiliary bias supply
- Fully regulated pre-biased start-up
- Enhanced cycle-by-cycle current limiting with pulse matching for low and high primary FETs
- Optimized maximum duty cycle for primary-side FETs
- Voltage-mode control with input voltage feed-forward
- 100-V high-voltage start-up regulator
- Configurable latch, OVP operation
- Integrated 100-V, 2-A MOSFET drivers for primary-side FETs
- Programmable dead-time between primary-side and synchronous rectifier (SR) FETs
- Create a custom design using the LM5036 with the Excel Calculator Tool or WEBENCH Power Designer
The LM5036 PWM controller, with integrated auxiliary bias supply, offers high power density for industrial isolated power applications. It contains all the features necessary to implement half-bridge power converters, using voltage-mode control, with input voltage feed-forward. This controller is intended to operate on the primary side of an isolated converter with DC input voltage up to 100 V. The controller includes features that improve power density and reliability while reducing system cost:
- An integrated fly-buck converter as auxiliary bias supply. Provides bias power for both primary and secondary circuits, with a minimum of external components.
- Fully regulated pre-bias start-up. Eliminates output voltage over-shoot or dips even when starting into a pre-charged output capacitor.
- Enhanced cycle-by-cycle peak current limit with pulse matching. The controller limits both positive and negative current. Pulse matching ensures equal pulse width for low and high side devices, to avoid transformer saturation. Output current limit is approximately constant across the full range of input voltage.
技術文件
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檢視所有 2 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | LM5036 Half-Bridge PWM Controller with Integrated Auxiliary Bias Supply datasheet (Rev. C) | PDF | HTML | 2021年 10月 10日 |
| EVM User's guide | LM5036EVM-294 Evaluation Module | 2018年 3月 29日 |
設計與開發
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| WQFN (RJB) | 28 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點