Boost Converter for PON OLT APD Bias-升压芯片-杭州芯耘光电科技有限公司-高速电芯片、光器件开发、生产、销售

芯耘光电主要从事高速模拟芯片、光电子产品的开发、生产、销售，面向云计算、高速链接和传输、5G等领域提供整套解决方案。

产品编码：XY5C21S

类别：电源、温控芯片

XY5C21S是一个固定频率升压转换器，具有单通道APD电压输出和增益可选择（1:5或4:5）的精确电流镜。

XY5C21S集成采样/保持电路，适用于突发模式接收应用，以捕获流经APD的电流，并将其传输到外部ADC。

• Input Voltage Range: +2.8V to +5.5V

• Wide Output Voltage Range: 6V to 56V

• Internal 900mΩ (typ) 60V MOSFET

• Less Than 5% Current Mirror (1:5 or 4:5) Error for APD Applications

• Ultra-Fast APD Current Limit (0.5μs Response Time) with an Adjustable Current Limit Point

• Sample Window with Typical 300ns

• Fixed PWM Frequency (1.6MHz) Provides Easy Filtering in Low-Noise Applications

• Internal Soft-Start

• 2mA (max) Shutdown Current

• -40℃ to +100℃ Temperature Range

• Thermally-Enhanced, Lead-Free, 3mm x 3mm,16-Pin TQFN Package

• APD Bias

• Optical Line Terminal

• High-Voltage Sensor Supply