1FEATURES
2• Qualified for Automotive Applications
• Green-Mode Controller With Advanced Energy
Saving Features
• Quasi-Resonant Mode Operation for Reduced
EMI and Low Switching Losses (Low Voltage
Switching)
• Low Standby Current for System No-Load
Power Consumption
• Low Startup Current: 25 mA Maximum
• Programmable Overvoltage Protection, Line
and Load
• Internal Overtemperature Protection
• Current Limit Protection
– Cycle-by-Cycle Power Limit
– Primary-Side Overcurrent Hiccup Restart
Mode
• 1-A Sink TrueDrive™, -0.75-A Source Gate
Drive Output
• Programmable Soft-Start
• Green-Mode Status Pin (PFC Disable Function)

APPLICATIONS
• Bias Supplies for LCD-Monitors, LCD-TV,
PDP-TV, and Set Top Boxes
• AC/DC Adapters and Offline Battery Chargers
• Energy Efficient Power Supplies up to 200 W

DESCRIPTION
The UCC28600-Q1 is a PWM controller with
advanced energy features to meet stringent
world-wide energy efficiency requirements.
UCC28600-Q1 integrates built-in advanced energy saving features with high level protection features to
provide cost effective solutions for energy efficient
power supplies. UCC28600-Q1 incorporates
frequency fold back and green mode operation to
reduce the operation frequency at light load and no load operations.
UCC28600-Q1 is offered in the 8-pin SOIC (D)
package. Operating ambient temperature range is
-40°C to 105°C.