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.