ISL6323EVAL1Z Intersil, ISL6323EVAL1Z Datasheet - Page 33

• Manufacturer Part Number: ISL6323EVAL1Z
• Description: EVAL BOARD 1 FOR ISL6323
• Manufacturer: Intersil

Specifications of ISL6323EVAL1Z

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ON
OFF
+5V
R
C
APA
APA
C
FILTER
R
SET
NC
NC
+12V
R
OFS
R
R
R
C
EN1
EN2
FS
C
R
R
2
C_NB
C_NB
C
C
FB
COMP
ISEN3+
ISEN3-
PWM3
APA
DVC
VCC
OFS
FS
RSET
VFIXEN
SEL
SVD
SVC
VID4
VID5
PWROK
VDDPWRGD
GND
EN
COMP_NB
FB_NB
C
ISL6323
R
FB_NB
RGND_NB
PHASE_NB
UGATE_NB
LGATE_NB
R
BOOT_NB
PVCC_NB
ISEN_NB+
ISEN_NB-
PVCC1_2
FB
PHASE1
PHASE2
UGATE1
UGATE2
LGATE1
LGATE2
BOOT1
BOOT2
ISEN1+
ISEN2+
ISEN1-
ISEN2-
ISEN4+
RGND
ISEN4-
PWM4
VSEN
33
FIGURE 28. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
C
C
C
FILTER
FILTER
BOOT
C
BOOT
C
BOOT_NB
+12V
+12V
+12V
R
R
1_NB
R
1_1
2_1
C
C
IN
IN
V_CORE
C
C
R
ISL6323
IN
1_NB
2_NB
R
C
R
1_2
C
1
2_2
2
C
BULK
C
BULK
LOAD
CPU
C
LOAD
HF
NB
C
V_NB
HF
R
R
C
3_2
C
4_2
3
C
4
IN
R
RED COMPONENTS:
LOCATE CLOSE TO IC TO
MINIMIZE CONNECTION PATH
BLUE COMPONENTS:
LOCATE NEAR LOAD
(MINIMIZE CONNECTION PATH)
GREEN COMPONENTS:
LOCATE CLOSE TO SWITCHING TRANSISTORS
(MINIMIZE CONNECTION PATH)
R
3_1
4_1
KEY
C
IN
+12V
+12V
HEAVY TRACE ON CIRCUIT PLANE LAYER
ISLAND ON POWER PLANE LAYER
ISLAND ON CIRCUIT PLANE LAYER
VIA CONNECTION TO GROUND PLANE
C
BOOT
C
BOOT
UGATE1
PHASE1
LGATE1
PGND
BOOT2
UGATE2
PHASE2
LGATE2
ISL6614
BOOT1
PWM1
PWM2
PVCC
GND
VCC
+12V
October 21, 2008
C
FILTER
FN9278.4