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TR9672
TR9672 is an interleaved dual-channel continuous conduction mode (CCM) power factor correction (PFC) chip.
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Main features
- Continuous Conduction Mode Control
- Average Current Mode
- Interleaved Dual-Channel PFC Control
- PFC Intelligent Channel Management Function
- Recommended Programming Operating Frequency Range: 18 kHz~40 kHz or 55 kHz~75 kHz
- Programmable PFC Output Voltage
- Two Types of Current Limiting Functions
- Input Voltage Instantaneous Power-Off Protection
- Programmable Soft Start
- Multiple Protection Functions Detected by Feedback Pin
- VDD Undervoltage Lockout (UVLO), Overvoltage Protection (OVP)
- Sample Current Differential Sensing
- 32-Pin LQFP Package
- Operating Junction Temperature Range (Tj): -40°C~150°C
- Compliant with RoHS 2.0
Chip pin definition
Typical applications
Package outline drawing
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