ISL62883C Datasheet, PDF (33/43 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

VID0 IN
VID1 IN
VID2 IN
VID3 IN
VID4 IN
VID5 IN
VID6 IN
VR_ON IN
DPRSLPVR IN
+3.3V IN
PGOOD OUT
+1.1V IN
OPTIONAL ^-----
OPTIONAL
----
VR_TT#
IN
----
R16
47.5K
-_R-₈ ---_R-₉-
DNP DNP
------------
OPTIONAL
----
C6
R10 C11
47PF
C3
R7
2.37K 390PF
R11
---- ^{390PF 261K 3.48K}
PGOOD
PSI#
RBIAS
VR_TT#
NTC
VW
COMP
FB
ISEN3
ISEN2
EP
R17
VCORE IN
10
VCCSENSE IN
VSSSENSE IN
R18
10
R20
0
OPTIONAL
----
----
U6
ISL62883C
VIN IN
BOOT2
UGATE2
PHASE2
VSSP2
LGATE2
VCCP
PWM3
LGATE1
VSSP1
PHASE1
IN +5V
IRF7821
Q2
IRF7832 IRF7832
Q3
Q9
L1
0.56UH
1.3MOHM
R37
1 ^R40
0
R56
0
IN +5V
IN VIN
C30
0.22UF
OUT IMON
IN VSSSENSE
R63
1.82K
R30
1.07K
----_C8-₁--_R-₁-₀-₉--
DNP DNP
------------
OPTIONAL
PLACE NEAR L1
FIGURE 31. 1-PHASE GPU APPLICATION REFERENCE DESIGN
OUT VCORE
LAYOUT NOTE:
ROUTE UGATE TRACE IN PARALLEL
WITH THE PHASE TRACE GOING TO
THE SOURCE OF Q2
ROUTE LGATE TRACE IN PARALLEL
WITH THE VSSP TRACE GOING TO
THE SOURCE OF Q3