KP3310

KP3310 Offline Inductor-less AC Linear Regulator FEATURES  High Output Voltage Accuracy: 2%  Programmable Output: 5V/3.3V/2.7V  Smart Control to Maximize Efficiency  Universal Input Range: 80~305VAC  No Inductor Required  No Bulk Capacitor Required  Less Components and Low Cost  Fast Line and Load Transient Response  Short Load Protection  Output Under Voltage Protection (UVP)  Over Load Protection(OLP)  On Chip Thermal Shutdown  Available with SOP8 Package APPLICATIONS  Non Isolation AC/DC Converter  Home Appliance  Wall Switches and Dimmers TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION KP3310 is a compact, inductor-less, offline linear regulator. It steps down the AC line voltage to 5V/3.3V/2.7V based on SEL pin program. It is a simple solution to provide a bias voltage in offline applications. KP3310 integrates a 650V power MOSFET, startup controller, voltage control circuit, AC synchronous circuit, low dropout regulator, etc. Th...