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...