IRS2980S Datasheet, PDF (1/18 Pages) International Rectifier – LED DRIVER CONTROL IC

January 20^th, 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
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
Product Summary
Topology
V_OFFSET (breakdown)
V_OUT
I_O+ & I_O- (typical)
Package Types
Buck
600 V
V_CC
180mA & 260mA
SO8
Typical applications
• LED incandescent/CFL replacement lamps
• LED driver module
Typical Connection Diagram
www.irf.com
© 2011 International Rectifier
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