DATASHEET
ISL68144 FN8888
Rev.2.00
Jul 7, 2017 Digital Dual Output, 4-Phase Configurable, PWM Controller with PMBus for
Cavium
The ISL68144 is a digital dual output, flexible multiphase
(X+Y ≤ 4) PWM controller developed to support the latest
Cavium CN99xx server class processors. The ISL68144
supports the PMBUS 1.3 specification and is designed to meet
the latest Intel server-class transient performance
specifications. Either output can be configured to support any
desired phase assignments up to a maximum of four phases
across the two outputs (X+Y), such as 3+1, 2+2, 2+1, or even a
single output operation as a 4+0 configuration. With full digital
control, this new generation of controllers ushers in design
flexibility by supporting any microprocessor, FPGA, or Digital
ASIC rail requirements that include adjustable load setting.
The ISL68144 uses Intersil’s proprietary linear synthetic digital
current modulation scheme to achieve the industry’s best
combination of transient response and ease of tuning while
addressing the challenges of modern multiphase designs.
Device configuration and telemetry monitoring is
accomplished using Intersil's intuitive PowerNavigatorв„ў GUI. …