UCC28600DR Texas Instruments 交流/直流转换器 Quasi Res Flyback Green Mode Cntrlr

1 Features 3 Description

1 The UCC28600 is a PWM controller with advanced • Green-Mode Controller With Advanced Energy

energy features to meet stringent world-wide energy Saving Features efficiency requirements.

• Quasi-Resonant Mode Operation for Reduced

EMI and Low Switching Losses (Low-Voltage UCC28600 integrates built-in advanced energy

Valley Switching) saving features with high-level protection features to

provide cost-effective solutions for energy-efficient

• Low Standby Current for Minimum System No- power supplies. UCC28600 incorporates frequency

Load Power Consumption fold-back and green-mode operation to reduce the

• Low Start-up Current: 25-μA Maximum switching losses at light-load and no-load conditions.

• Programmable Line and Load Over-Voltage UCC28600 is available in the 8-pin SOIC package.

Protection Operating junction temperature range is –40°C to

• Internal Over-Temperature Protection +105°C.

• Current Limit Protection The UCC28600 Design Calculator, (SLVC104),

– Cycle-by-Cycle Power Limit located in the Tools and Software section of the

UCC28600 product folder, provides a user-interactive

– Primary-Side Over-Current Hiccup Restart iterative process for selecting recommended Mode component values for an optimal design.

• 1-A Sink, –0.75-A Source TrueDrive™ Gate Drive

Output Device Information (1)

• Programmable Soft-Start PART NUMBER PACKAGE BODY SIZE (NOM)

• Green-Mode Status Pin (PFC Disable Function) UCC28600 SOIC (8) 4.90 mm × 3.91 mm

(1) For all available packages, see the orderable addendum at

2 Applications the end of the data sheet.

• Bias Supplies for LCD-Monitors, LCD-TV, PDPTV,

and Set Top Boxes

• AC-to-DC Adapters and Off-Line Battery Chargers

• Energy Efficient Power Supplies up to 200 W