QR模式原边控制器功率开关

MK1172是一款高性能支持准谐振(QR)模式的原边PWM控制器开关，可提供高精度的CV/CC控制，尤其适合于电源适配器应用。\n\n 在恒压输出(CV)模式，MK1172采用了多种控制模式，即混合了调幅控制模式(AM)和调频控制模式(FM)来提升系统效率和可靠性。在恒流输出(CC)模式，MK1172使用调频控制模式，同时内置了根据线电压和负载电压变化的恒流补偿。MK1172还可以支持快速动态响应功能。\n\n 内置的线补功能(CDC) 可以使恒压输出时获得更好的电压调整率。\n\n MK1172集成了欠压锁定保护(UVLO)，VDD过压保护 (VDD OVP)， \n• 准谐振模式原边控制以提高效率\n• 快速动态响应\n• 无音频噪声\n• 待机功耗 \n• SOP-7封装\n;

Integrated Circuit Phase-Frequency Detector

Integrated Circuit Phase–Frequency Detector

31/2-digit LCD car clock

GENERAL DESCRIPTION The PCF1172C is a single chip, 4.19 MHz CMOS clock circuit indicating hours and minutes. It is designed to drive a 31⁄2-digit liquid crystal display (LCD) with AM and PM indicators. FEATURES • Driving standard 31⁄2-digit LCD with AM and PM indicators • Internal voltage regu

31/2-digit LCD car clock

GENERAL DESCRIPTION The PCF1172C is a single chip, 4.19 MHz CMOS clock circuit indicating hours and minutes. It is designed to drive a 31⁄2-digit liquid crystal display (LCD) with AM and PM indicators. FEATURES • Driving standard 31⁄2-digit LCD with AM and PM indicators • Internal voltage regu

31/2-digit LCD car clock

GENERAL DESCRIPTION The PCF1172C is a single chip, 4.19 MHz CMOS clock circuit indicating hours and minutes. It is designed to drive a 31⁄2-digit liquid crystal display (LCD) with AM and PM indicators. FEATURES • Driving standard 31⁄2-digit LCD with AM and PM indicators • Internal voltage regu

27 - 32 GHz 1W Power Amplifier

Key Features • 0.25 um pHEMT Technology • 18 dB Gain at 28 GHz • 29 dBm Nominal P1dB • 37dBm OTOI typical at 28GHz • Input/Output RL