UCC2882/-1 UCC3882/-1
Average Current Mode Synchronous Controller With 5-Bit DAC
FEATURES • Combined DAC/
Voltage Monitor and PWM
with Synchronous Rectification Functions
• 5-Bit Digital-to-Analog (DAC) Converter • 1% DAC/Reference Combined Accuracy • Compatible with 5V and 12V Systems and
12V-only Systems
• Low Offset Current Sense Amplifier • Programmable Oscillator Frequency Practical
to 700kHz
• Foldback Current Limiting • Over
voltage and Under
voltage Fault Windows • 2Ω Totem Pole Outputs with Programmable
Dead Times to Eliminate Cross-Conduction
• Chip Disable Function
BLOCK DIAGRAM
DESCRIPTION
The UCC3882 combines high precision reference and
voltage monitoring circuitry with average...