UCC28600
UCC28600 is 8-Pin Quasi-Resonant Flyback Green-Mode Controller manufactured by Texas Instruments.
Features
- 1 Green-Mode Controller With Advanced Energy Saving Features
- Quasi-Resonant Mode Operation for Reduced EMI and Low Switching Losses (Low-Voltage Valley Switching)
- Low Standby Current for Minimum System No Load Power Consumption
- Low Start-up Current: 25-μA Maximum
- Programmable Line and Load Over-Voltage
Protection
- Internal Over-Temperature Protection
- Current Limit Protection
- Cycle-by-Cycle Power Limit
- Primary-Side Over-Current Hiccup Restart
Mode
- 1-A Sink,
- 0.75-A Source True Drive™ Gate Drive
Output
- Programmable Soft-Start
- Green-Mode Status Pin (PFC Disable Function)
2 Applications
- 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
3 Description
The UCC28600 is a PWM controller with advanced energy features to meet stringent world-wide energy efficiency requirements.
UCC28600 integrates built-in advanced energy saving features with high-level protection features to provide cost-effective solutions for energy-efficient power supplies. UCC28600 incorporates frequency fold-back and green-mode operation to reduce the switching losses at light-load and no-load conditions.
UCC28600 is available in the 8-pin SOIC package. Operating junction temperature range is
- 40°C to +105°C.
The UCC28600 Design Calculator, (SLVC104), located in the Tools and Software section of the UCC28600 product folder, provides a user-interactive iterative process for selecting remended ponent values for an optimal design.
Device Information (1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
SOIC (8)
4.90 mm × 3.91 mm
(1) For all available packages, see the orderable addendum at the end of the data sheet.
Typical Application Diagram
Primary
Secondary
CBULK
NP...
