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TR1654AC
The TR1654 series is a continuous mode power factor correction (PFC) chip.
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Main features
- Average current control mode
- Fast transient response capability
- Very low startup current (≤75uA) and very low shutdown current (≤400uA)
- Low operating power consumption
- Built-in fixed switching frequency options: 65kHz/133kHz/200kHz
- Drive current capability of ±1.5A
- Soft start function
- Cycle-by-cycle peak current limit function
- Input undervoltage protection function
- Output overvoltage protection
- Open-loop protection function
- Uses SOP8 package, minimizing external components and greatly simplifying the PFC circuit
- Operating junction temperature range (Tj): -40°C to 150°C
Chip pin definition
Typical applications
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