4A, 21V, 500KHz同步降压型DC-DC变换器

EUP3485是一款500KHz固定频率同步电流模降压型DC-DC变换器。芯片集成了110mΩ主开关和30mΩ同步整流开关，在4.5V～21V的输入范围内能够提供高达4A的负载电流。内部集成了同步整流开关，不再需要外接肖特基二极管，提高了效率。电流模控制提供了快速的瞬态响应和周期性的峰值电流限制能力。\nEUP3485具有短路和过温等保护机制，以确保芯片工作的安全性。芯片在关断模式下的静态电流可低至1µA以下。EUP3485采用带有裸露底盘的SOP-8封装。 •高达4A的输出电流\n•100ns最小导通时间\n•集成的110mΩ主开关\n•集成的30mΩ同步整流开关\n•输入电压范围：4.5V至21V\n•0.8V以上可调输出电压\n•固定500KHz开关频率\n•可同步300KHz到2MHz外部时钟\n•芯片内部频率补偿\n•芯片内部软启动\n•关断电流小于1μA\n•过温保护和过流保护\n•输入欠压保护\n•SOP-8(EP)封装\n•符合RoHS规范及Pb-Free Halogen-Free;

4A, 21V, 500KHz Synchronous Step-Down Converter

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3.3V POWERED, 15KV ESD PROTECTED, TRASMIT AT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER

Description The ST3485E is ±15kV ESD protected, 3.3V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST3485E transmits and receives at a guaranteed data rate of at least 12Mbps. General features

3.3V POWERED, 15KV ESD PROTECTED, TRASMIT AT UP TO 12MBPS TRUE RS-485/RS-422 TRANSCEIVER

Description The ST3485E is ±15kV ESD protected, 3.3V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST3485E transmits and receives at a guaranteed data rate of at least 12Mbps. General features

Hysteretic PFET Buck Controller

文件：369.89 Kbytes Page：15 Pages

Hysteretic PFET Buck Controller

文件：369.89 Kbytes Page：15 Pages

Hysteretic PFET Buck Controller

文件：369.89 Kbytes Page：15 Pages