ISL6568 Intersil Corporation, ISL6568 Datasheet - Page 28

• Manufacturer Part Number: ISL6568
• Description: Two-Phase Buck PWM Controller
• Manufacturer: Intersil Corporation

R
T
+5V
+12V
(CF1)
R
OFS
C
REF
OCSET
VDIFF
VSEN
RGND
VID0
VID12.5
PGOOD
GND
ENLL
IREF
VCC
OFS
FS
REF
VID4
VID3
VID2
VID1
R
R
FB
OCSET
ICOMP
FB
28
ISL6568
FIGURE 24. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
C
C
R
1
COMP
COMP
C
2
R
1
ISUM
COMP
(MINIMIZE CONNECTION PATH)
PHASE1
UGATE2
PHASE2
UGATE1
LGATE1
LGATE2
BOOT1
BOOT2
LOCATE CLOSE TO IC
ISEN2
PVCC
ISEN1
R
R
S
S
C
C
BOOT1
BOOT2
R
R
ISL6568
ISEN2
ISEN1
(CF2)
+12V
+12V
C
BIN2
C
BIN1
KEY
LOCATE NEAR SWITCHING TRANSISTORS;
HEAVY TRACE ON CIRCUIT PLANE LAYER
ISLAND ON POWER PLANE LAYER
ISLAND ON CIRCUIT PLANE LAYER
VIA CONNECTION TO GROUND PLANE
(MINIMIZE CONNECTION PATH)
(MINIMIZE CONNECTION PATH)
C
LOCATE NEAR LOAD;
BOUT
(C
HFOUT
March 9, 2006
LOAD
)
FN9187.4