FT838RNA
FT838RNA is Low-Power Off-Line CC/CV Switch manufactured by Fremont Micro Devices.
- Part of the FT838NB comparator family.
- Part of the FT838NB comparator family.
FEATURES
- Constant-Current (CC) and Constant-Voltage (CV) with Primary Side Control
- Proprietary technology enabling high efficiency and fast dynamic response
- No audible noise over entire operating range
- Built-in power NPN
- Built-in Cable pensation
- Built-in Line pensation
- Primary-side feedback eliminates opto-coupler and TL431
- Cycle-by-Cycle Current Limiting
- Over Temperature Protection
- VCC Over Voltage Protection
- Open Circuit Protection
TYPICAL APPLICATION
- Adapter/Charger for Cell/Cordless Phones, PDAs, MP3 and Other Portable Apparatus
- Standby and Auxiliary Power Supplies Set Top Boxes (STB)
- AC/DC LED Driver applications
DESCRIPTION
The FT838NB/FT838RNA controller device is optimized for high-performance, low power switching mode power supply applications. The FT838NB/FT838RNA facilitates CC/CV charger design by eliminating...