8-pin quasi resonant Flyback green mode controller
Product details
Parameters
Package | Pins | Size
Features
- 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 TrueDrive™ Gate Drive
Output - Programmable Soft-Start
- Green-Mode Status Pin (PFC Disable Function)
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 recommended component values for an optimal design.
Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The UCC28600 evaluation module (UCC28600EVM-65W) is a 65 W off-line quasi-resonant flyback converter providing an 18 V regulated output at 3.6 A of load current, operating from a universal ac input between 85 Vac and 265 Vac with a frequency range of 47 Hz to 63 Hz.
The EVM uses the UCC28600 quasi-resonant (...)
Features
- Regulated 18 V and 65 W dc output
- Universal off-line input voltage 85 Vac to 265 Vac
- Meets EPA Energy Star™ efficiency requirements and standby power requirements
- Power tunr-on time less than 3 seconds
- Input power less than 1 W at 0.5 W output
- Prebias load turn-on with prebias voltage from 0% to 95% of (...)
Design tools & simulation
Reference designs
CAD/CAE symbols
Package | Pins | Download |
---|---|---|
SOIC (D) | 8 | View options |
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