UCC25230 Overview
Description
The UCC25230 is a highly integrated PWM converter operating as an isolated forward flyback. It has highside and low-side power switches integrated and the control circuit with all key converter functions included.
Key Features
- 2 Highly Integrated Converter Operating as a Buck, or Isolated Forward-Flyback, Flybuckâ˘
- Wide Operating Input Voltage Range from 12 V to 100 V, 105-V Surge
- Up to 0.2-A Output Current
- 9-V Always Available VDD Output with up to 2- mA Current Capability
- Thermally Enhanced 4-mm x 4-mm SON-8/S- PVSON-N8 (DRM) Package
- Internally Set Fixed 380-kHz Switching Frequency
- Internal 2-ms Duration Soft Start
- Voltage Mode Control with Input Feed Forward Allows Optimal Output Filter Design
- 2% Accuracy Internal 2.5-V Reference
- Cycle-by-Cycle Current Limit with Frequency Fold Back for Initial Start up Under High Capacitive Loads