UCC28251 Overview
The UCC28251 PWM controller is designed for high power density applications that may have stringent prebiased startup requirements. The UCC28251’s integrated synchronous rectifier control outputs target high efficiency and high performance topologies such as half-bridge, full-bridge, interleaved forward, and push-pull. The UCC27210 half bridge drivers and UCC2752x MOSFET drivers used in conjunction with the UCC28251...
UCC28251 Key Features
- 1 Prebiased Startup
- Voltage Mode Control with Input Voltage FeedForward or Current Mode Control
- Primary or Secondary-Side Control
- 3.3-V, 1.5% Accurate Reference Output
- Lower Minimum Operating Frequency
- 1% Accurate Cycle-by-Cycle Over Current Protection with Matched Duty Cycle Outputs
- Programmable Soft-Start and Hiccup Restart Timer
- Thermally Enhanced 4-mm x 4-mm VQFN-20 Package and 20-pin TSSOP Package