Analog Devices / Maxim Integrated MAXREFDES108电源参考设计
Maxim MAXREFDES108电源参考设计在14.0mm (0.55英寸) x 55.9mm (2.2英寸) 电路板上结合了PD控制器(MAX5969A)和降压转换器(MAX17505)。 该参考设计旨在满足市场对非隔离式以太网供电(PoE)电源解决方案日益增长的需求。 这些解决方案可有效地将高电压PoE电源分别转换为5V和12V输出。 每一款设计都针对负载和线路稳压以及效率和瞬态性能进行了测试。 该模块的输入电压范围为36V至57V,输出电压为12V,电流容量为1A。该板采用模块架构,设有通孔引脚,用于即时电路板放置和加速原型设计。特性
- MAX17505 - 4.5V-60V, 1.7A, High-Efficiency, Synchronous Step-Down DC-DC Converter with Internal Compensation
- MAX5969A - IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET
- 36V ~ 57V input voltage
- Compact and flexible
- Minimal external components
- Robust operation in adverse environments
- 12W Output capacity
- ±3% Output accuracy
应用
- Lighting
- IP cameras
- Sensors
- Non-isolated Ethernet equipment
Maxim MAX5969A Powered Device (PD) Integrated Controller
Additional Resources
发布日期: 2017-03-22
| 更新日期: 2023-04-11
