ISL8102 Intersil Corporation, ISL8102 Datasheet - Page 26

• Manufacturer Part Number: ISL8102
• Description: Two-Phase Buck PWM Controller
• Manufacturer: Intersil Corporation

+5V
R
C
+12V
R
REF
REF
OFST
C
HF0
R
FS
VSEN
RGND
OVP
PGOOD
GND
ENLL
IREF
VDIFF
2PH
VCC
OFST
FS
DAC
REF
REF1
REF0
OCSET
R
R
DROOP
OCSET
1
ICOMP
FB
26
C
FIGURE 27. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
C
1
ISL8102
R
COMP
COMP
C
2
R
ISUM
2
COMP
(MINIMIZE CONNECTION PATH)
UGATE2
UGATE1
PHASE1
PHASE2
LGATE1
LGATE2
BOOT1
BOOT2
C
LOCATE CLOSE TO IC
ISEN2
PVCC
ISEN1
SUM
to PVCC
R
C
C
R
S
BOOT1
S
BOOT2
R
R
ISL8102
ISEN2
ISEN1
C
HF01
C
C
HF2
HF1
+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
L
L
(MINIMIZE CONNECTION PATH)
OUT1
OUT2
(MINIMIZE CONNECTION PATH)
C
LOCATE NEAR LOAD;
BOUT
(C
HFOUT
October 19, 2005
LOAD
)
FN9247.0