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EG3846
Chip Features Automatic feedforward compensation. Programmable control of individual pulse current limiting function. Automatic symmetry correction under push-pull output structure. Good load response characteristics. Can be connected in parallel, suitable for modular systems. Built-in differential current detection amplifier, wide common-mode input range. Dual pulse suppression function. High-current totem-pole output, output peak current 500mA. Precision bandgap reference power supply, accuracy ±1%. Built-in undervoltage lockout circuit. Built-in soft-start circuit. With external shutdown function. Operating frequency up to 500KHz
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- Product Description
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- Commodity name: EG3846
- 封装: DIP-16 SOP-16
- 品牌: EG/Yi Jing Wei
Chip Features Automatic feedforward compensation. Programmable control of individual pulse current limiting function. Automatic symmetry correction under push-pull output structure. Good load response characteristics. Can be connected in parallel, suitable for modular systems. Built-in differential current detection amplifier, wide common-mode input range. Dual pulse suppression function. High-current totem-pole output, output peak current 500mA. Precision bandgap reference power supply, accuracy ±1%. Built-in undervoltage lockout circuit. Built-in soft-start circuit. With external shutdown function. Operating frequency up to 500KHz
Chip Description
The EG3846 uses a fixed-frequency current mode control, improving the system's line voltage regulation rate and load response characteristics, and simplifying the design of the control loop. The EG3846 integrates a 1% accurate bandgap adjustable reference voltage, a high-frequency oscillator, an error amplifier, a differential current detection amplifier, an undervoltage lockout circuit, and a soft-start circuit. It features functions such as automatic symmetrical correction for push-pull conversion, parallel operation, external shutdown, dual-pulse suppression, and dead-time adjustment.
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