Boost Converter for APD Bias
產品編碼：XY5C21
類別：電源、溫控芯片
XY5C21是一款固定頻率400KHz，可升壓至32V的電源芯片。集成高達4mA的精確電流鏡，具有過流保護功能，限流點可通過電阻調節。工作電壓支持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