High Voltage Green-Mode PWM Controller with Brown-Out Protection

General Description The LD7577 integrates several functions of protections, and EMI-improved solution in SOP-8 package. It minimizes the component counts and the circuit space. The device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of t

文件：370.95 Kbytes 页数：18 Pages

LEADTREND

通嘉科技

AC-DC控制器 : 隔离式高压启动控制/驱动器

The LD7577 integrates several functions of protections, and EMI-improved solution in SOP-8 package. It minimizes the component counts and the circuit space.The device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and intern ·High-Voltage (500V) Startup Circuit\n·Current Mode Control\n·Non-Audible-Noise Green Mode Control\n·UVLO (Under Voltage Lockout)\n·LEB (Leading-Edge Blanking) on CS Pin\n·Internal Slope Compensation\n·OVP (Over Voltage Protection) on Vcc Pin\n·AC Input OVP (Over Voltage Protection)\n·OLP (Over Load;

Leadtrend

通嘉科技

AC-DC控制器 : 隔离式高压启动控制/驱动器

The LD7577B integrates several functions of protections, and EMI-improved solution in SOP-8/ DIP-8 package. It minimizes the component counts and the circuit space.\nThe device provides functions of low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing ·High-Voltage (500V) Startup Circuit\n·Current Mode Control\n·Non-Audible-Noise Green Mode Control\n·UVLO (Under Voltage Lockout)\n·LEB (Leading-Edge Blanking) on CS Pin\n·Internal Slope Compensation\n·OVP (Over Voltage Protection) on Vcc Pin\n·OLP (Over Load Protection)\n·Precision Brownout Protect;

Leadtrend

通嘉科技

AC-DC控制器 : 隔离式高压启动控制/驱动器

The LD7577JA integrated several functions of protections, and EMI-improved solution in a SOP-7, SOP-8/or DIP-8 package. It minimizes the component counts and the circuit space, and it’s perfect for the low cost of applications.\nIt provides functions of low startup current, green-mode power-saving o ·High-Voltage (500V) Startup Circuit\n·Current Mode Control\n·Non-Audible-Noise Green Mode Control\n·UVLO (Under Voltage Lockout)\n·LEB (Leading-Edge Blanking) on CS Pin\n·Internal Frequency Trembling\n·Internal Slope Compensation\n·Internal Over Current compensation\n·OVP (Over Voltage Protection) ;

Leadtrend

通嘉科技