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EG1242
Chip Features Excellent EMI characteristics Few external components External NTC temperature protection function Optocoupler open circuit protection Maximum duty cycle 80% Current mode control External resistor can set PWM frequency Green mode and hiccup mode control Cycle-by-cycle current limit Built-in slope compensation Low start-up current Package type SOP8, DIP8
Category：
- Product Description
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- Commodity name: EG1242
- 封装: SOP-8
- 品牌: EG/Yi Jing Wei
Chip Features Excellent EMI characteristics Few external components External NTC temperature protection function Optocoupler open circuit protection Maximum duty cycle 80% Current mode control External resistor can set PWM frequency Green mode and hiccup mode control Cycle-by-cycle current limit Built-in slope compensation Low start-up current Package type SOP8, DIP8
Chip Description
The EG1242 is a cost-effective current mode PWM controller suitable for medium and small power flyback power supply solutions.
The EG1242 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.
The EG1242 has complete protection functions: VCC undervoltage protection (UVLO), VCC overvoltage protection (VOP), cycle-by-cycle current limit, overload protection, overtemperature protection, soft start, etc.
Product Message
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