Boost Converter for 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：XY5C21

类别：电源、温控芯片

XY5C21是一款固定频率400KHz，可升压至32V的电源芯片。集成高达4mA的精确电流镜，具有过流保护功能，限流点可通过电阻调节。工作电压支持2.8V到5.5V。

• Input Voltage Range: +2.8V to +5.5V

• Wide Output-Voltage Range from (VIN + 5V) to 32V

• Internal 300Ω(typ) 40V MOSFET

• Boost Converter Output Power: 300mW

• 200mW Version Available for Smaller Inductor

• Accurate ±5% (1:1 and 5:1) High-Side Current Monitor

• Resistor-Adjustable Ultra-Fast APD Current Limit (1μs Response Time)

• Open-Drain Current-Limit Indicator Flag

• 400kHz Fixed-Switching Frequency

• Constant PWM Frequency Provides Easy Filtering in Low-Noise Applications

• Internal Soft-Start

• 2μA (max) Shutdown Current

• -40℃ to +125℃ Temperature Range

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

• Avalanche Photodiode Biasing and Monitoring

• Low-Noise Varactor Diode Bias Supply

• FBON Modules

• GPON Modules