onsemi Switching Regulator, Surface Mount, 9 → 28V dc Input Voltage, 500mA Output Current, 1 Outputs

Minimum Peak Current Modulation for Rapid Frequency Foldback (RFF)
QR Frequency Jittering
Quiet-Skip Technology
Integrated HV Startup with Brownout Protection
Valley Switching Operation with Valley Lockout
Integrated X2 Capacitor Discharge Capability
NTC Compatible Fault Pin
High Drive Capability: -500 mA / +800 mA
Latch input for OVP and OTP implementation
Fast reduction of switching frequency for improved light load efficiency
Reduces EMI Signature
Ensures Operation Outside Audible Range
Provides an efficient power-on source and protects against drops in input mains voltage
Maximizes the efficiency over the entire power range
Eliminates the need for a X2 resistor
Extra protection against high temperature or other fault conditions
Enables faster switching of primary-side MOSFET
Simple implementation of required protection functions
Applications
Medium or High Power AC-DC Adapters
Ultra High Density AC-DC Adapters
USB PD Compliant
End Products
Notebook Adapters
Flat TV SMPS
Computer Power Supplies
Phone and Tablet Adapters