丝印：LD7838GR；Package：SOP-7；High Power Factor Flyback LED Controller with HV Start-up

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LED 应用产品 : AC/DC LED照明控制器/驱动器

The LD7838 is a 700V HV start-up active PFC Flyback controller, specially designed for LED lighting application. This device operates in transition or boundary mode and integrates with completed protections required. It minimizes the components counts in either SOP-7 package. Those make it easy to d • High voltage (700V) startup circuit  by HV pin for 85~305VAC input range\n• High Power Factor  ( > 0.92)\n• High-efficiency Transition mode operation\n• Lower Power Saving ( < 0.5W) \n• Accurate OLP Compensation for High/ Low Line\n• Built in BNI/ BNO Function \n• Wide UVLO (16Von and 8 Voff) rang;

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High Power Factor Flyback LED Controller with HV Start-up

General Description The LD7838H is a 700V HV start-up flyback PFC controller, specially designed for LED lighting. This device operates in transition mode(TM) and integrates with completed protections required. It minimizes the components counts in either SOP-7 package. Those make it easy to

文件：793.95 Kbytes 页数：15 Pages

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丝印：LD7838HGR；Package：SOP-7；High Power Factor Flyback LED Controller with HV Start-up

General Description The LD7838H is a 700V HV start-up flyback PFC controller, specially designed for LED lighting. This device operates in transition mode(TM) and integrates with completed protections required. It minimizes the components counts in either SOP-7 package. Those make it easy to

文件：793.95 Kbytes 页数：15 Pages

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High Power Factor Flyback LED Controller with HV Start-up

The LD7838H is a 700V HV start-up flyback PFC controller, specially designed for LED lighting. This device operates in transition mode(TM) and integrates with completed protections required. It minimizes the components counts in either SOP-7 package. Those make it easy to design with for cost-effect • High voltage (700V) startup circuit for 305VAC\n• High-efficiency Transition mode operation\n• Accurate OLP Compensation for High/ Low Line\n• Wide UVLO (16.5 Von and 8 Voff) Range \n• OVP (Over Voltage Protection) Function by ZCD and VCC pin\n• Internal OTP function;

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