RT8479B
Description
The RT8479B is a two-stage controller with dual MOSFETs and consists of a Boost converter (first stage) and a Buck converter (second stage). The advantage of two-stage topology is highly compatible with ET (Electronic Transformer) and extremely high Power Factor performance in MR16 / AR111 lighting market fields applications.
Key Features
- Two-Stage Topology (Boost + Buck)
- Dual MOSFETs Inside
- Wide Input Voltage Range : 4.5V to 36V
- Excellent Power Factor
- Programmable Boost Output Voltage
- Independent Dual Stage Function
- Programmable LED current with ±5% LED Current Accuracy
- Input Under-Voltage Lockout Detection
- Thermal Shutdown Protection
