PWM控制器

CD5021离线式脉宽调制 (PWM) 控制器采用电流模式控制包含实现高效离线式单端反激/正激电源转换器所需的所有特性。\nCD5021具有超低启动电流特性，可最大程度降低高压启动电路的功耗。跳周期模式可降低轻负载条件下的功耗，从而实现节能应用。\nCD5021包括输入欠压保护、逐周期电流限制、过载打嗝保护、斜坡补偿、软启动和振荡器同步功能。该芯片可通过单个电阻设定振荡器频率高达1MHz，总传播延时小于100ns。 •超低启动电流 （最大25μA）\n•跳周期模式可降低待机功耗\n•支持外时钟同步\n•0.7A 峰值电流栅极驱动器\n•最大占空比限制 80%\n•逐周期过流保护\n•前沿消隐\n•封装形式：VSSOP8;

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati

Crystal Oscillator Module ICs

OVERVIEW The SM5021 series are crystal oscillator module ICs fabricated in NPC’s Molybdenum-gate CMOS, that incorporate high-frequency, low current consumption oscillator and output buffer circuits. Highly accurate thin-film feedback resistors and high-frequency capacitors are built-in, eliminati