UCC1581 Description
The UCC3581 voltage mode pulse width modulator is designed to control low power isolated DC - DC converters in applications such as Subscriber Line Power (ISDN I.430). Primarily used for single switch forward and flyback converters, the UCC3581.
UCC1581 Key Features
- Low 85µA Startup Current
- Low 300µA Operating Current
- Automatically Disabled Startup Preregulator
- Programmable Minimum Duty Cycle with Cycle Skipping
- Programmable Maximum Duty Cycle
- Output Current 1A Peak Source and Sink
- Programmable Soft Start
- Programmable Oscillator Frequency
- External Oscillator Synchronization Capability