3.0V to 42V Operating Input Range
1.4A, 65V Internal DMOS Power Switch
Up to 430KHz Operating Frequency
Low Quiescent Current
Boundary Mode Operation at Heavy Load
Burst Mode Operation at Light Load
VOUT Set with a Single External Resistor
Minimum Load<0.5% (Typ) of Full Output
No Transformer Third Winding or Opto-
Isolator Required for Regulation
Internal Compensation and Soft-Start
Input under voltage lockout
Output Short-Circuit Protection
Thermal Protection
