UCD3040

www.ti.com UCD3040 UCD3028 UCD3020 SLUS868H – DECEMBER 2009 – REVISED OCTOBER 2013 Digital Power Controllers Check for Samples: UCD3040, UCD3028, UCD3020 FEATURES 1 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 and NonIsolated DC-to-DC Topologies – 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 Dedicated Hardware Accelerated Digital Compensators or Control Law Accelerators (CLA) – Three-Pole, Three-Zero Configurable Compensator – Features Non-Linear Digital Control – Multiple Programmable Coefficient Registers for Adaptive Digital Compensation Up to 15-Channel, 12-Bit, 200-ksps, Analog-toDigital Converter (ADC) Multiple Levels of Fault Protection – Four High-Speed Analog Comparators – External Fault Inputs – 12-Bit ADC Configurable for Voltage-Mode, AverageCurrent-Mode, and Resonant-Mode Control Allows Synchronization of DPWM Waveforms Between Multiple UCD3040, UCD3020 and UCD3028 (UCD30xx) Devices Adjustable DPWM Pulse Width Enables Support for Cur...