ISL6323A Datasheet, PDF (34/35 Pages) Intersil Corporation – Monolithic Dual PWM Hybrid Controller Powering AMD SVI Split-Plane and PVI Uniplane Processors

ISL6323A
R_APA
C_APA
C₂
RC_CC
FB
COMP
ISEN3+
ISEN3-
PWM3
R_FB
VSEN
BOOT1
UGATE1
PHASE1
APA
DVC
LGATE1
ISEN1-
ISEN1+
+5V
C_FILTER
VCC
OFS
R_OFS
PVCC1_2
BOOT2
UGATE2
FS
+5V _RFS
PHASE2
R_SET
RSET
LGATE2
VFIXEN
SEL
SVD
ISEN2-
ISEN2+
SVC
NC VID4
NC VID5
PWROK
RGND
VDDPWRGD ISEN4+
GND
ISEN4-
+12V
C_IN
C_BOOT
R_{1_1 C1}
R_{1_2}
+12V
R_{3_2}
C₃ R_{3_1}^CIN
C_BOOT
BOOT1
UGATE1
PHASE1
LGATE1
PGND ^PWM1
+12V
ISL6614 ^+12V
C_FILTER
C_BOOT
V_CORE
C_IN
C_IN
C_{BULK CHF}
+12V
VCC
BOOT2 ^PVCC
C_BOOT
UGATE2 GND
C_FILTER
R_{2_1} C₂
CPU
LOAD
C₄ ^R4_1
PHASE2
PWM2
LGATE2
R_{2_2}
R_{4_2}
PWM4
+12V
ISL6323A
+12V
R_EN1
PVCC_NB
OFF
EN
C_FILTER
C_IN
ON
R_EN2
BOOT_NB
C_{BOOT_NB}
UGATE_NB
KEY
HEAVY TRACE ON CIRCUIT PLANE LAYER
ISLAND ON POWER PLANE LAYER
ISLAND ON CIRCUIT PLANE LAYER
VIA CONNECTION TO GROUND PLANE
PHASE_NB
LGATE_NB
ISEN_NB-
ISEN_NB+
COMP_NB
FB_NB
R_{C_NB}
C_{C_NB}
R_{FB_NB}
R_{1_NB C1_NB}
R_{2_NB}
V_NB
C_HF
C_BULK
NB
LOAD
RED COMPONENTS:
LOCATE CLOSE TO IC TO
MINIMIZE CONNECTION PATH
BLUE COMPONENTS:
LOCATE NEAR LOAD
(MINIMIZE CONNECTION PATH)
MAGENTA COMPONENTS:
LOCATE CLOSE TO SWITCHING TRANSISTORS
(MINIMIZE CONNECTION PATH)
FIGURE 28. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
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Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
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