NCP1622 Datasheet | onsemi

features necessary for robust and pact PFC stages, with few external ponents. MARKING DIAGRAM XXXAYWG G XXX A Y W G = Specific Device Code = Assembly Location = Year = Work Week = Pb- Free Package (Note: Microdot may be in either location) PIN CONNECTIONS General Features - Near- Unity Power Factor - Critical Conduction Mode (Cr M) - Valley Synchronized Frequency Fold- back (VSFF): Low Frequency Operation is Forced at Low Current Levels (9 Pre- programmed Settings) - Works With or Without a Transformer w/ ZCD Winding (Simple Inductor) - On- time Modulation to Maintain a Proper Current Shaping in VSFF Mode - Skip Mode at Very Low Load Current (versions [B- - ] and [D- - ]) - Fast Line / Load Transient pensation (Dynamic Response Enhancer) - Valley Turn- on - High Drive Capability: - 500 m A / +800 m A - VCC Range: from 9.5 V to 30 V - Low Start- up Consumption for: [- - C] Version: Low Vcc Start- up level (10.5 V) [- - A] Version: High Vcc Start- up level (17.0 V) - Line Range Detection for Reduced Crossover Frequency Spread - This is a Pb- Free Device VCTRL 1 GND 2 CS / ZCD 3 6 FB 5 VCC 4 DRV (Top View) ORDERING INFORMATION See detailed ordering, marking and shipping information in the package dimensions section on page 2 of this data sheet. Safety...