Isolated AC-to-DC and DC-to-DC Power Supplies.Operating Temperature Range: –40☌ to 125☌.80-Pin QFP (PFC), 64-Pin QFN (RGC), 48-Pin QFN (RGZ), and 40-Pin QFN (RHA and RMH) Package Offerings.Single-Supply Solution: Internal Regulator Controls External Pass Element.32-KByte Program Flash and 2-KByte Data Flash Memory With Error Correction Code (ECC).High-Performance 31.25-MHz, 32-Bit ARM7 Processor.Adjustable DPWM Pulse Width Enables Support for Current Balancing in a Multiphase Application.Allows Synchronization of DPWM Waveforms Between Multiple UCD3040, UCD3020 and UCD3028 (UCD30xx) Devices.Configurable for Voltage-Mode, Average-Current-Mode, and Resonant-Mode Control.Up to 15-Channel, 12-Bit, 200-ksps, Analog-to-Digital Converter (ADC).Multiple Programmable Coefficient Registers for Adaptive Digital Compensation.Three-Pole, Three-Zero Configurable Compensator.Dedicated Hardware Accelerated Digital Compensators or Control Law Accelerators (CLA).On-Chip 10-Bit D and A Converter (DAC) for Setting EADC Reference Voltage.Dedicated High-Speed Error Analog-to-Digital Converter (EADC) for Each Feedback Loop With Sense Resolution of up to 1 mV.Adjustable Dead Band Between Each DPWM Pair.

Adjustable Phase Shift Between DPWM Outputs.

Up to Eight High-Resolution Digital Pulsewidth Modulated (DPWM) Outputs for Supporting a Wide Range of Offline, Isolated and Non-Isolated DC-to-DC Topologies.

Digital Control of up to Four Voltage Feedback Loops.

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