ISL62883C Datasheet, PDF (32/43 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
CLK_EN# OUT
+3.3V IN
R23
1.91K
PGOOD OUT
PSI# IN
+1.1V IN
VR_TT# OUT
---- OPTIONAL
----
---- OPTIONAL
C6
39PF
C3
R7
150PF 324K
----ISEN3 _IN
ISEN2 IN
ISEN1 IN
R8
TBD
R10 C11
536 390PF
R11
2.37K
1
2
R16
3
147K ₄
R9 ₅
NTC
TBD
6
7
8
9
10
41
PGOOD
PSI#
RBIAS
VR_TT#
NTC
VW
COMP
FB
ISEN3
ISEN2
EP
R20
0
VIN IN
U6
ISL62883C
BOOT2 ³⁰
UGATE2 ²⁹
PHASE2 ²⁸
VSSP2 ²⁷
LGATE2 ²⁶
VCCP ²⁵
PWM3 ²⁴
LGATE1 ²³
VSSP1 ²²
PHASE1 ²¹
IN +5V
R37
1 ^R40
0
IN +5V
IN VIN
OUT IMON
R17
VCORE IN
10
VCCSENSE IN
VSSSENSE IN
R18
10
OPTIONAL
----
----
R30
604
----_C-₈-₁--_R-₁-₀₉---
820PF 100
-------------
OPTIONAL
IN VSSSENSE
IN VSUM+
IN VSUM-
PLACE NEAR L1
IRF7821 DNP
Q4
Q10
R57 C31
IRF7832 IRF7832
Q5
Q11
0 0.22UF
L2
0.36UH
IRF7821 DNP
Q2
Q8
R56 C30
IRF7832 IRF7832
Q3
Q9
0 0.22UF
L1
0.36UH
IRF7821 DNP
Q6
Q12
R58 C32
0 0.22UF
IRF7832 IRF7832
Q7
Q13
L3
0.36UH
U3
UGATE
BOOT
PWM
GND
PHASE
FCCM
VCC
LGATE
ISL6208
IN +5V
FIGURE 30. 3-PHASE CPU APPLICATION REFERENCE DESIGN
OUT VCORE
LAYOUT NOTE:
ROUTE UGATE1 TRACE IN PARALLEL
WITH THE PHASE1 TRACE GOING TO
THE SOURCE OF Q2 AND Q8
ROUTE LGATE1 TRACE IN PARALLEL
WITH THE VSSP1 TRACE GOING TO
THE SOURCE OF Q3 AND Q9
SAME RULE APPLIES TO OTHER PHASES