ISL6312CRZ-T Intersil, ISL6312CRZ-T Datasheet - Page 34

• Manufacturer Part Number: ISL6312CRZ-T
• Description: IC CTRLR PWM 4PHASE BUCK 48-QFN
• Manufacturer: Intersil

Specifications of ISL6312CRZ-T

• Applications: Controller, Intel VR10, VR11, AMD CPU
• Voltage - Input: 5 ~ 12 V
• Number Of Outputs: 1
• Voltage - Output: 0.38 ~ 1.6 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(CF1)
R
T
+5V
+12V
R
R
EN1
EN2
R
C
DR
R
REF
R
OFS
C
SS
R
2
C
1
1
COMP
VID7
VID5
VID3
GND
VSEN
RGND
VCC
FS
REF
VID6
VID4
VID2
VID1
VID0
VRSEL
PGOOD
OFS
OVPSEL
SS
EN
DRSEL
FB
IDROOP
34
FIGURE 26. PRINTED CIRCUIT BOARD POWER PLANES AND ISLANDS
R
ISL6312
FB
VDIFF
(MINIMIZE CONNECTION PATH)
PVCC1_2
UGATE2
UGATE3
UGATE1
PHASE1
PHASE2
PHASE3
LGATE1
LGATE2
LGATE3
EN_PH4
ISEN3-
ISEN3+
BOOT1
BOOT2
ISEN2+
BOOT3
ISEN4+
ISEN1-
ISEN1+
ISEN2-
PVCC3
ISEN4-
LOCATE CLOSE TO IC
PWM4
C
BOOT1
(CF2)
(CF2)
C
+12V
C
ISL6312
BOOT3
BOOT2
PVCC
PWM
VCC
ISL6612
BOOT
PHASE
+12V
+12V
+12V
UGATE
LGATE
GND
C
C
C
BIN1
BIN2
BIN3
KEY
+12V
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)
C
BIN4
R
R
R
R
1
1
1
1
C
C
C
C
1
1
1
1
(MINIMIZE CONNECTION
LOCATE NEAR LOAD;
(C
HFOUT
)
PATH)
C
February 1, 2011
BOUT
LOAD
FN9289.6