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EG1253
Chip Description EG1253 is a cost-effective current mode PWM controller suitable for medium and large power flyback and forward power supply solutions. EG1253 has a built-in frequency dithering function and excellent EMI characteristics. The chip uses a green energy-saving mode and hiccup mode to control light load and zero load. EG1253 has built-in complete protection functions: VCC undervoltage protection (UVLO), VCC overvoltage protection (VOP), cycle-by-cycle current limit, overload protection, overtemperature protection, soft start, etc.
Category：
- Product Description
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- Commodity name: EG1253
- 封装: DIP-8 SOP-8
- 品牌: EG/Yi Jing Wei
Chip Description EG1253 is a cost-effective current mode PWM controller suitable for medium and large power flyback and forward power supply solutions. EG1253 has a built-in frequency dithering function and excellent EMI characteristics. The chip uses a green energy-saving mode and hiccup mode to control light load and zero load. EG1253 has built-in complete protection functions: VCC undervoltage protection (UVLO), VCC overvoltage protection (VOP), cycle-by-cycle current limit, overload protection, overtemperature protection, soft start, etc.
Chip Features
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Excellent EMI Characteristics
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Few External Components
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External NTC Temperature Protection Function
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Optocoupler Open Circuit Protection
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Maximum Duty Cycle 50%
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Current Mode Control
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PWM Frequency Adjustable via External Resistor
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Green Mode and Hiccup Mode Control
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Cycle-by-Cycle Current Limiting
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Built-in Leading Edge Blanking
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Built-in Slope Compensation
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Low Startup Current
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SOP8, DIP8 Packages
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Product Message
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Official Account
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Company Address：
Room 819, Dongmei Building, Xiangnan Three District, Minqiang Community, Minzhi Street, Longhua District, Shenzhen
