UCC28742
Features
- 1 Opto-Coupled Feedback Enables up to 1% Regulation
- Accurate Current Limit with Overload Timeout Protection and Delayed Hiccup Response
- Resonant-Ring Valley-Switching Operation for Highest Overall Efficiency
- 80-k Hz Maximum Switching Frequency
- Frequency Dithering to Ease EMI pliance
- Clamped Gate-Drive Output for MOSFET
- Ultra-Low Start-Up Current and Large VDD
Hysteresis
- High Value Start-Up Resistor
- Low Bias Capacitance
- Fault Protections
- Input Low Line
- Output Over-Voltage
- Over-Current
- Short-Circuit
- SOT23-6 Package
- Create a Custom Design Using the UCC28742 with the WEBENCH® Power Designer
2 Applications
- Industrial and Medical AC-to-DC Power Supplies
- Smart Electricity Meters
- Bias Supply for UPS, Server PSU, etc.
- Power Supply for Cable Modem, Television, Set Top Box, and Wireless Routers
- AC-to-DC Power Supply for Appliances Simplified Schematic
VBULK
+ VF
- VOUT
CB1
CB2
NP NS
COUT
±
RSTR
VAUX
+ VFA
- NA RS1
RS2
VVDD...
