MP4021A
NOT RECOMMENDED FOR NEW DESIGNS
MP4021A continues to be in production for existing customers. Please consider this alternative for new designs:

MP4027
Active
MP4027
Active
High Performance, Primary Side Control, Offline LED Controller with Active PFC, NTC and PWM Dimming
Features & Benefits
- Real-Current Control without Secondary-Feedback Circuit
- <2% Line/Load Regulation
- Current Fold back for Over Temperature (NTC)
- PWM Dimming Available
- High Power Factor (=0.9) over Universal Input Voltage
- Boundary Conduction Mode for Improved Efficiency
- Brown-Out Protection
- Over-Voltage Protection
- Short-Circuit Protection
- Over-Temperature Protection
- Primary-Side Over-Current Protection
- Cycle-by-Cycle Current Limit
- Input UVLO
- Available in FCTSOT-8 Package
… and many more!
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