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IRS2505LPBF

International Rectifier
Part Number IRS2505LPBF
Manufacturer International Rectifier
Description SOT-23 Boost PFC Control IC
Published Jul 30, 2013
Detailed Description IRS2505LPBF µPFCTM Features • • • • • • • • • • • • • Critical-conduction mode PFC control High PF and ultra-low THD Wi...
Datasheet PDF File IRS2505LPBF PDF File

IRS2505LPBF
IRS2505LPBF

Overview
IRS2505LPBF µPFCTM Features • • • • • • • • • • • • • Critical-conduction mode PFC control High PF and ultra-low THD Wide load and line range Regulated and programmable DC bus voltage No secondary winding required MOSFET cycle-by-cycle over-current protection DC bus over-voltage protection Low EMI gate drive Ultra-low start-up current 20.
8V internal zener clamp on VCC Excellent ESD and latch immunity RoHS compliant 5-pin SOT-23 package SOT-23 Boost PFC Control IC Description The IRS2505 is a control IC for boost-type PFC circuits operating in critical-conduction mode.
The IC incorporates a free-running frequency oscillator with on- and off-time control of the boost power MOSFET without the need for a secondary winding.
Also included in the design is over-voltage protection of the DC bus and cycle-by-cycle over-current protection of the power MOSFET.
Micro-power start-up current and an internal 20.
8V zener clamp at VCC are provided to simplify the external VCC supply circuitry.
ESD an...


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