ISL6228
ISL6228 is High-Performance Dual-Output Buck Controller manufactured by Renesas.
High-Performance Dual-Outpu Dt a Btuac Skh Ceoent troller for Notebook Appli Mcaatyio7n,s2008
FN9095 Rev 2.00 May 7, 2008
FB1 VO1 OCSET1 EN1 PHASE1 UGATE1 BOOT1
The ISL6228 IC is a dual channel synchronous-buck PWM controller featuring Intersil's Robust Ripple Regulator (R3) technology that delivers truly superior dynamic response to input voltage and output load transients. Integrated MOSFET drivers and bootstrap diodes result in fewer ponents and smaller implementation area.
Intersil’s R3 technology bines the best Features of fixedfrequency and hysteretic PWMs while eliminating many of their shortings. 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 parator where the lower threshold is the error amplifier output VP, and the upper threshold is a programmable voltage reference VW, resulting in generation of the PWM signal....
