onsemi NCP81151B VR12.5 兼容 MOSFET 驱动器
onsemi NCP81151B VR12.5 兼容双 MOSFET 驱动器提供优化解决方案，用于驱动同步降压转换器中高侧和低侧功率 MOSFET 的栅极。 NCP81151 可以驱动高达 3nF 负载，传播延迟为 25ns，转换时间为 20ns。 该器件采用自适应防交叉传导和节能工作电路，确保开关损耗低，效率高。 NCP81151B 的 UVLO 功能确保电源电压低时输出也很低。
The device delivers a low switching loss and high efficiency using adaptive anti-cross-conduction and a power-saving operation circuit. NCP81151B's UVLO function ensures the outputs are low when the supply voltage is low.
特性
- Designed for power management solutions for notebook systems
- Fast rise and fall times
- Adaptive anti-cross-conduction circuit
- Zero cross detection function
- Output disable control turns off both MOSFETs
- Undervoltage lockout
- Power saving operation under light load conditions
- Direct interface to NCP6131 and other compatible PWM controller
- Thermally enhanced package
- Lead-free, halogen-free/BFR-free, and RoHS compliant
Block Diagram
发布日期: 2016-05-31
| 更新日期: 2022-03-11