ISL62883C Datasheet, PDF (12/43 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

ISL62883C
Simplified Application Circuits (Continued)
V+5 V+5 Vin
Rbias
Rntc
o_C
VDD VCCP VIN
RBIAS
PWM3
NTC
BOOT2
PGOOD
VR_TT#
CLK_EN#
VID<0:6>
PSI#
DPRSLPVR
VR_ON
PGOOD
UGATE2
VR_TT#
PHASE2
CLK_EN#
VIDs
PSI#
LGATE2
VSSP2
DPRSLPVR
ISEN2
VR_ON
VW
Rfset
BOOT1
ISL62883C
UGATE1
PHASE1
Rdroop
COMP
FB2
FB
VSEN
LGATE1a
VSSP1
ISEN1
ISUM+
VCCSENSE
VSSSENSE
Rimon
IMON
RTN
IMON
ISUM-
(Bottom Pad)
VSS
Vin
Rn
Cn ^oC
Rsum
Ri
L
Vo
FIGURE 4. TYPICAL 1-PHASE APPLICATION CIRCUIT USING DCR SENSING
12
FN7557.1
March 18, 2010