极简化自供电原边反馈控制芯片

LP3667 是一款高度集成的隔离型适配器和充电器的自供电PSR 控制芯片，外围设计极其简单。LP3667 固定原边峰值电流，通过变压器原副边匝比来设置输出恒流点；通过设定一个FB 电阻来设置输出恒压点。为了实现系统成本的***简化，LP3667 内置启动电路，外围不需要启动电阻，内置FB 下偏电阻，固定峰值电流来实现取消限流电阻；采用自供电的方式来取消辅助绕组VCC 供电二极管。LP3667 为了优化输出电流的一致性，内置输入线电压补偿功能；为了节约外围的线材，LP3667采用了固定输出线缆补偿的方式进行输出电压补偿。LP3667 集成了多种的保护功能，包括VCC 钳位/欠压保护，输出短路保 集成BJT,适用于5W以下隔离方案\n双绕组变压器方案,优化系统成本\n待机功耗75mW\n专利的电流驱动,降低温升\n内置高精度的FB下偏电阻,恒压精度高\n内置高精度的固定峰值电流,恒流精度高\n输出线损补偿技术\n输出短路保护功能\nVCC欠压保护功能\n过温保护;

CDMA/AMPS, UpConverter with Gain Control

Description The HFA3667 UpConverter is a monolithic bipolar upconverter with gain control for CDMA/AMPS cellular applications. Manufactured in the Intersil UHF1X process, the device consists of a double balanced mixer followed by a variable gain power preamplifier. The device is designed for high

3.3V, 622Mbps SDH/SONET Laser Driver with Automatic Power Control

General Description The MAX3667 is a complete, +3.3V laser driver with automatic power control (APC), designed for SDH/SONET applications up to 622Mbps. It accepts differential PECL inputs, provides single-ended bias and modulation currents, and operates over a -40°C to +85°C temperature range.

3.3V, 622Mbps SDH/SONET Laser Driver with Automatic Power Control

General Description The MAX3667 is a complete, +3.3V laser driver with automatic power control (APC), designed for SDH/SONET applications up to 622Mbps. It accepts differential PECL inputs, provides single-ended bias and modulation currents, and operates over a -40°C to +85°C temperature range.

3.3V, 622Mbps SDH/SONET Laser Driver with Automatic Power Control

General Description The MAX3667 is a complete, +3.3V laser driver with automatic power control (APC), designed for SDH/SONET applications up to 622Mbps. It accepts differential PECL inputs, provides single-ended bias and modulation currents, and operates over a -40°C to +85°C temperature range.

30-A Dual Output Isolated DC/DC Converter

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