Description
The UCC28230, UCC28231 PWM bus controllers are optimized for use in high efficiency, high power density, unregulated intermediate bus converters.
Start-up frequency control circuit allowing small output inductor and the ability to star
Features
- 1.
- Programmable, Load Depended Off Time Control.
- Frequency Controlled Start Up Allows Small Output Inductor, Low Ripple and Constant Current Start with Large Output Capacitor.
- Two 0.2-A Push-Pull Outputs Provide Matched Control Signals D to External Drivers.
- Two Additional 1- D Outputs for Optimal Use of Self-Driven or Control Driven Synchronous Rectifiers.
- Unregulated, Fixed Volt-Second or Fixed Frequency Modes set by User.
- Two, 1.5% Overall.
UCC28230-etcTI.pdf