QR/CCM控制模式副边反馈控制器

  ETA8047是一种高性能峰值电流模式PWM控制器。ETA8047采用准谐振和频率折返技术，以降低EMI和提高平均效率，并满足最新的VI级能效标准，而且具有足够的余量。通过光耦合器和次级侧控制电路实现了非常低的待机功率、良好的动态响应和精准的电压调整率。通过内置快速启动过程，ETA8047即使在电容性负载较大的情况下也能获得非常短的上升时间。软启动电路在上电时保持输出电压无过冲。在满负载条件下，ETA8047可以在CCM模式和DCM模式下工作，以满足不同类型的应用。准谐振( QR)谷底技术在DCM模式下始终工作。  ETA 8047具有7 -37V宽VCC工作电压范围，可直接用于A类快速充 • 可工作于准谐振或CCM模式\n• 7 - 37VVCC宽工作电压范围\n• 待机功耗非常低\n• OCP / OLP /OSP保护\n• 电流检测电阻短路保护\n• 变压器绕组短路保护\n\n集成全系列错误保护\n内置软启动和快速启动电路\n栅极输出电压箝位（12V）\n外部可调整斜率补偿\n符合DOE VI和CEC V5能效标准\n采用SOT 23 -6封装;

Green-Mode Quasi Resonant PWM Controller for Fly-Back Converters

文件：338.41 Kbytes Page：1 Pages

丝印代码：NH7H；Green-Mode Quasi Resonant PWM Controller for Fly-Back Converters

文件：338.41 Kbytes Page：1 Pages

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because

Silicon planar type

Silicon planar type For stabilization of power supply ■Features •Extremely low noise voltage caused from the diode (2.4V to 39V, 1/3 to 1/10 of our conventional MAZ3000 series) •Extremely good rising performance (in the low-current range) •Easy-to-select the optimum diode because