ISL6308IRZ-T Intersil, ISL6308IRZ-T Datasheet - Page 27

• Manufacturer Part Number: ISL6308IRZ-T
• Description: IC CTRLR PWM 3PHASE BUCK 40-QFN
• Manufacturer: Intersil

Specifications of ISL6308IRZ-T

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 66.6%
• Voltage - Supply: 4.75 V ~ 5.25 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-VFQFN, 40-VFQFPN
• Frequency-max: 275kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+5V
R
C
+12V
R
REF
REF
OFST
C
HF0
R
FS
VSEN
RGND
PGOOD
GND
ENLL
3PH
2PH
VCC
FS
DAC
REF
REF1
OVP
IREF
DROOP
VDIFF
OFST
REF0
OCSET
R
R
OCSET
1
ICOMP
FB
27
C
FIGURE 27. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
ISL6308
C
1
R
COMP
COMP
C
2
R
ISUM
2
COMP
(MINIMIZE CONNECTION PATH)
PHASE3
UGATE1
PHASE1
PHASE2
UGATE3
UGATE2
LGATE3
LGATE1
LGATE2
BOOT3
BOOT1
BOOT2
C
PVCC1
PVCC3
PVCC2
LOCATE CLOSE TO IC
ISEN1
ISEN2
ISEN3
SUM
C
C
C
R
R
BOOT1
R
BOOT3
BOOT2
S
S
S
R
R
R
ISEN2
ISEN3
ISL6308
C
ISEN1
C
C
HF02
HF03
HF01
C
C
C
HF1
HF2
HF3
+12V
+12V
+12V
C
BIN3
C
C
BIN1
BIN2
KEY
LOCATE NEAR SWITCHING TRANSISTORS;
ISLAND ON POWER PLANE LAYER
ISLAND ON CIRCUIT PLANE LAYER
VIA CONNECTION TO GROUND PLANE
HEAVY TRACE ON CIRCUIT PLANE LAYER
L
L
(MINIMIZE CONNECTION PATH)
L
OUT3
OUT2
OUT1
(MINIMIZE CONNECTION PATH)
C
LOCATE NEAR LOAD;
BOUT
(C
HFOUT
September 30, 2008
LOAD
)
FN9208.4