ISL6312IRZ Intersil, ISL6312IRZ Datasheet - Page 3

• Manufacturer Part Number: ISL6312IRZ
• Description: IC CTRLR PWM 4PHASE BUCK 48-QFN
• Manufacturer: Intersil

Specifications of ISL6312IRZ

• 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: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VQFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block Diagram
OVPSEL
IDROOP
VRSEL
COMP
RGND
VDIFF
VSEN
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
OFS
REF
FB
MODE/DAC
SELECT
OFFSET
DYNAMIC
UNDERVOLTAGE
D/A
VID
OVERVOLTAGE
DETECTION
DETECTION
x1
LOGIC
LOGIC
LINE PREVENTION
ISEN1- ISEN1+ ISEN2- ISEN2+
OPEN SENSE
3
CURRENT
SENSE
CH1
E/A
I_AVG
I_TRIP
OC
CURRENT
SENSE
CH2
FAULT LOGIC
SOFT-START
CHANNEL
CURRENT
BALANCE
PGOOD
∑
AND
ENHANCEMENT
∑
∑
ISEN3- ISEN3+ ISEN4-
MODULATOR
LOAD APPLY
GENERATOR
CLOCK AND
TRANSIENT
WAVEFORM
∑
CURRENT
SENSE
ISL6312
ISL6312
SS
CH3
0.2V
I_AVG
∑
CURRENT
1
N
SENSE
CH4
ISEN4+
PWM1
PWM2
PWM3
PWM4
0.85V
EN
GND
POWER-ON
CHANNEL
RESET
DETECT
SIGNAL
LOGIC
PWM4
MOSFET
DRIVER
MOSFET
MOSFET
DRIVER
DRIVER
PH4 POR/
DETECT
February 1, 2011
PVCC1_2
VCC
BOOT1
UGATE1
PHASE1
LGATE1
DRSEL
FS
BOOT2
UGATE2
PHASE2
LGATE2
EN_PH4
PVCC3
BOOT3
UGATE3
PHASE3
LGATE3
PWM4
FN9289.6