INDUSTRYS SMALLEST PFC BOOST IC The IRS 2505

INDUSTRY’S SMALLEST PFC BOOST IC The IRS 2505 LTRPb. F is the industry’s smallest power factor correction (PFC) boost IC in a 5 -pin SOT 23 package for switch mode power supply (SMPS), LED drivers, fluorescent and HID electronic ballast applications. Advantages • Features • • • • Critical-conduction mode PFC control High PF and ultra-low THD Wide input voltage and load range Regulated DC bus output voltage Programmable DC bus voltage level DC bus over-voltage protection Programmable MOSFET over-current protection Inductor current zero-crossing detection Micro-power start-up current 20. 8 V internal Zener clamp on VCC Excellent latch immunity on all inputs and outputs Integrated ESD protection on all pins Small SOT-23 5 L package • • The IRS 2505 L extends IR’s µPFC™ PFC control IC family and features a novel control system that can implement a PFC controller with only five pins, significantly reducing overall system size, component count and system cost. The IRS 2505 L may be configured to operate in critical conduction boost PFC, buck or flyback configuration. The IRS 2505 L offers wide input voltage and load range, regulated DC bus output voltage and programmable DC bus voltage level. Protection features include DC bus overvoltage protection, programmable MOSFET over-current protection and integrated ESD protection on all pins. Micro-power start-up current, 20. 8 V internal Zener clamp on VCC and latch immunity on all inputs and outputs are also features. HOME PAGE DATASHEET PRESS RELEASE HI-RES GRAPHIC July 2013