EG3842高性能固定频率电流模式控制器

  EG3842 是高性能固定频率电流模式控制器，专为离线和直流至直流变换器应用而设计，为设计人员提供只需用最少外部元件就能获得成本效益高的解决方案。这些集成电路具有低启动电流的欠压锁定、可微调的振荡器能进行精确的占空比控制、电流取样比较器和大电流图腾拄式输出。另外，IC还有过温保护、过流保护和最大输出功率保护。   EG3842有16V（通）和10V（断）欠压锁定门限，十分适合于离线变换器。  EG3842的最大占空比可以达到100%。 ·最低启动电流：0.15mA\n ·电压线性度：4mV\n ·负载调整率：4mV\n ·工作频率可工作至 500KHZ\n ·可工作的温度范围内，频率高稳定性：2.5% \n ·可工作的电压范围内，频率高稳定性：0.2% \n ·带滞后的精确过温保护 \n ·带滞后的欠压锁定\n ·自动前馈补偿 \n ·锁存脉宽调制，可逐周限流;

EGmicro

屹晶微电子

High Performance Frequency-FIxed Frequency Current Mode Controller

文件：644.54 Kbytes 页数：13 Pages

EGMICRO

屹晶微电子

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER

DESCRIPTION The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under volta

文件：239.47 Kbytes 页数：15 Pages

STMICROELECTRONICS

意法半导体

HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS

Description GM384XA series is high performance with fixed frequency current mode PWM controllers. They are specially designed for off-Line and DC-to-DC converter applications with minimum external components. These devices feature a trimmed oscillator for precise duty cycle control, a temperature

文件：628.03 Kbytes 页数：19 Pages

GAMMA

CURRENT MODE PWM CONTROLLER

文件：106.89 Kbytes 页数：8 Pages

GAMMA