UCD3028 Overview
Key Specifications
Package: VQFN
Mount Type: Surface Mount
Pins: 40
Operating Voltage: 3.3 V
Key Features
- 23 Digital Control of up to Four Voltage Feedback Loops
- 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
- 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 Current Balancing in a Multiphase Application
- High-Performance 31.25-MHz, 32-Bit ARM7 Processor
- 32-KByte Program Flash and 2-KByte Data Flash Memory With Error Correction Code (ECC)
