UCD3040 Overview
UCD3040 UCD3028 UCD3020 SLUS868H DECEMBER 2009 REVISED OCTOBER 2013 Digital Power Controllers Check for Samples: UCD3040, UCD3028, UCD3020.
UCD3040 Key Features
- 23 Digital Control of up to Four Voltage Feedback Loops
- Up to Eight High-Resolution Digital Pulsewidth Modulated (DPWM) Outputs for Supporting a Wide Range of Offline, Isolated
- 250-ps DPWM Pulse-Width Resolution
- 4-ns DPWM Frequency Resolution
- Adjustable Phase Shift Between DPWM Outputs
- Adjustable Dead Band Between Each DPWM Pair
- Active-High or -Low DPWM Polarity
- Up to 2-MHz DPWM Switching Frequency
- Dedicated High-Speed Error Analog-to-Digital Converter (EADC) for Each Feedback Loop With Sense Resolution of up to 1 mV
- On-Chip 10-Bit D and A Converter (DAC) for Setting EADC Reference Voltage
UCD3040 Applications
- Isolated AC-to-DC and DC-to-DC Power Supplies