UCC3882/-1

· Combined DAC/Voltage Monitor and PWM With Synchronous Rectification Functions
· 5-Bit Digital-to-Analog (DAC) Converter
· 1% DAC/Reference Combined Accuracy
· Compatible with 5 V and 12 V Systems and 12 V-Only Systems
· Low Offset Current Sense Amplifier
· Programmable Oscillator Frequency Practical to 700 kHz
· Foldback Current Limiting
· Overvoltage and Undervoltage Fault Windows
· 2-W Totem Pole Outputs with Programmab Dead Times to Eliminate Cross-Conduction
· Chip Disable Function

The UCC3882 combines high precision reference and voltage monitoring circuitry with average current mode PWM synchronous rectification controller circuitry to power high-end microprocessors with a minimum of external components. The UCC3882 converts 5 V or 12 V to an adjustable output ranging from 1.8VDC to 2.05VDC in 50 mV steps and 2.1VDC to 3.5VDC in 100 mV steps with 1% DC system accuracy.