[原创] Rohm BD9G341AEFJ 76V高效电源解决方案

Rohm公司的BD9G341AEFJ是集成了80V/3.5A/150mΩ的N沟FET的输入12V-76V输出3A电流的单路降压转换器,开关频率从50kHz到750kHz,具有多种保护功能,主要用在工业分布式电源,汽车电子和以电池为能源的设备.本文介绍了BD9G341AEFJ主要特性,框图和应用电路,以及BD9G341AEFJ评估板主要特性,电路图,材料清单和PCB设计图.

The BD9G341AEFJ is a buck switching regulator with integrated 150mΩ power MOSFET. Current mode architecture provides fast transient response and a simple phase compensation setup. The operating frequency is programmable from 50kHz to 750kHz. Additional protection features are included such as Over Current Protection, Thermal shutdown and Under voltage lockout. The under voltage lockout and hysteresis can be set by external resistor.

BD9G341AEFJ主要特性:

Wide input voltage range from 12V to 76V.
Integrated 80V/3.5A/150mΩ NchFET.
Current mode.
Variable frequency from 50kHz to 750kHz.
Accurate reference voltage.( 1.0 V±1.5 %).
Precision EN threshold ( ±3%).
Soft-start function
0uA Standby current
Over Current Protection (OCP),
Under VoltageLockout(UVLO), Thermal-Shutdown(TSD),OverVoltage Protection (OVP)
Thermally enhanced HTSOP-J8 package

BD9G341AEFJ主要指标：

■ Input voltage 12 to 76[V..

查看全文