This user guide details the FSFR2100 evaluation board for LCD TV power supplies, including board schematics, bill of materials, transformer specs, and test…
This document serves as a user guide for the FSFR2100 evaluation board, designed specifically for LCD TV power supply applications. It features the FSFR2100 integrated Pulse-Frequency-Modulation (PFM) controller and MOSFETs, which are optimized for Zero-Voltage-Switching (ZVS) resonant half-bridge converter topologies. The guide highlights key features such as variable frequency control, high efficiency, and various protection functions including Over-Voltage, Overload, and Over-Current protection.
| Input Voltage Range | 340V to 400V DC |
|---|---|
| Output Voltage | 24V DC |
| Output Current | 8 A DC |
| Rated Output Power | 192 W |
| Hold-Up Time | 20ms |
| Operating Frequency | Up to 300kHz |
| Primary-Side Inductance | 630µH ± 5% |
| Primary-Side Effective Leakage | 135µH |
The board is designed for LCD TV power supply applications.
The hold-up time is 20ms for an input of 390V DC.
It includes Over-Voltage, Overload, Over-Current, Abnormal Over-Current, and Internal Thermal Shutdown protection.