HT2800S | High Efficiency PSR Flyback AC-DC Controller IC | HOTCHIP

HT2800S from HOTCHIP is a primary-side regulation (PSR) flyback AC-DC controller with high-precision constant voltage and constant current output, ultra-low standby power meeting Level VI efficiency standards, and advanced EMI reduction for compact power adapters and chargers.

Key Features
Primary-side regulation (PSR) flyback control
High-precision CV/CC output
Meets energy efficiency Level VI standby power requirement
Adjustable line voltage compensation
Frequency jitter modulation for reduced EMI
PFM operating mode
Overload protection support
Overtemperature protection support
Max switching frequency: 100kHz
Built-in 700V switch tolerance
SOP7 package
Maximum output power: 2.5W
Applications
Small power adapters
Mobile phone chargers
Auxiliary power supplies
Portable low-power AC-DC devices