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

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AC-DC控制器 : 隔離式高壓啟動控制/驅(qū)動器

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;

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AC-DC控制器 : 隔離式高壓啟動控制/驅(qū)動器

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;

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AC-DC控制器 : 隔離式高壓啟動控制/驅(qū)動器

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) ;

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