DATASHEETISL6269 High-Performance Notebook PWM Controller with BiaN1cs-Oo8NRn8TOt8eaR-gRcIENutECTloCaOEutOoRrMMrTSMeaMILEcnEhNdoNnDrDiwcEEaDwDl wSFR.OuiEnpRtPpeNLorsArEtiWClC.cEeoDMnmEtEeS/NtrIsGTactNS FN9177 Rev 3.00 Audio-Frequency Clamp June 25, 2009 COMP FB FSET VO The ISL6269 IC is a .
of fixedfrequency PWM and hysteretic PWM while eliminating many of their shortcomings. R3 technology employs an innovative modulator that synthesizes an AC ripple voltage signal VR, analogous to the output inductor ripple current. The AC signal VR enters a window comparator where the lower threshold is the error amplifier output VCOM.
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