IRS2980S

January 20th, 2012 IRS2980S LED DRIVER CONTROL IC IC Features Dimming LED driver controller Hysteretic Current Regulation Closed-loop LED current dimming control Analog/PWM Dimming Input Internal High Voltage Regulator Internal 15.6V zener clamp diode on Vcc Micropower startup (250μA) Latch immunity and ESD protection Product Summary Topology VOFFSET (breakdown) VOUT IO+ & IO- (typical) Buck 600 V VCC 180mA & 260mA LED Driver System Features Single chip dimming solution Simple LED current dimming control method No external protection circuits required (fully internal) Low external component count Easy to use for fast design cycle time Increased manufacturability and reliability Package Types SO8 Typical applications LED incandescent/CFL replacement lamps LED driver module Typical Connection Diagram IRS2980 www.irf.com © 2011 International Rectifier 1 Free Datasheet http://www.Datasheet4U.com IRS2980S Table of Contents Description Block Diagram Qualification Information Absolute Maximum Ratings Recommended Operating Conditions Electrical Characteristics Input/Output Pin Equivalent Circuit Diagram Lead Definitions Lead Assignments Application Information and Additional Details Package Details Tape and Reel Details Part Marking Information Ordering Information Page 3 3 4 5 6 7 9 10 10 11 15 16 17 18 www.irf.com © 2011 International Rectifier 2 Free Datasheet http://www.Datasheet4U.com IRS2980S Description The IRS2980S utilizes I...