isl6566a Intersil Corporation, isl6566a Datasheet - Page 27
isl6566a
Manufacturer Part Number
isl6566a
Description
Three-phase Buck Pwm Controller With Two Integrated Mosfet Drivers And One External Driver Signal
Manufacturer
Intersil Corporation
Datasheet
1.ISL6566A.pdf
(28 pages)
- Current page: 27 of 28
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+5V
+12V
(CF1)
R
T
C
R
REF
OFS
OCSET
VDIFF
VSEN
RGND
FS
VID0
VID12.5
VRM10
PGOOD
GND
ENLL
IREF
VCC
OFS
REF
VID4
VID3
VID2
VID1
R
R
FB
OCSET
ICOMP
FB
27
C
ISL6566A
C
R
1
FIGURE 25. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
COMP
COMP
C
2
R
1
ISUM
COMP
(MINIMIZE CONNECTION PATH)
PHASE1
PHASE2
UGATE1
UGATE2
EN_PH3
LGATE1
LGATE2
BOOT1
BOOT2
PVCC1
PVCC2
PWM3
ISEN1
ISEN3
ISEN2
LOCATE CLOSE TO IC
R
R
R
S
S
S
R
R
R
C
C
ISL6566A
ISEN1
ISEN2
ISEN3
BOOT2
BOOT1
+12V
(CF2)
(CF2)
PWM
VCC
PVCC
ISL6612
PHASE
+12V
UGATE
LGATE
+12V
BOOT
C
GND
BOOT3
C
C
BIN2
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
+12V
(MINIMIZE CONNECTION PATH)
C
(CF2)
BIN3
C
BOUT
CONNECTION PATH)
(C
LOAD
LOCATE NEAR
HFOUT
(MINIMIZE
)
LOAD
July 27, 2005
FN9200.2
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