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ISL6322 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. ISL6322
Description  Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10, VR11, and AMD Applications
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6322 Datasheet(HTML) 3 Page - Intersil Corporation

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3
FN6328.0
August 21, 2006
Block Diagram
DRIVER
VRSEL
DYNAMIC
VID
D/A
VID7
VID6
VID5
VID4
VID3
VID2
E/A
REF
FB
OFFSET
OFS
COMP
RGND
VSEN
VDIFF
ISEN3- ISEN3+ ISEN4-
∑
1
N
∑
PWM1
∑
∑
BOOT1
UGATE1
PHASE1
LGATE1
PVCC1_2
BOOT2
UGATE2
PHASE2
LGATE2
BOOT3
UGATE3
PHASE3
LGATE3
PVCC3
CLOCK AND
GENERATOR
MODULATOR
SOFT-START
AND
FAULT LOGIC
CHANNEL
DETECT
VCC
RESET
POWER-ON
0.85V
EN
FS
PGOOD
GND
0.2V
x1
ISEN4+
∑
VID1
VID0
EN_PH4
PH4 POR/
PWM4
CH1
CURRENT
SENSE
CHANNEL
CURRENT
BALANCE
OVERVOLTAGE
DETECTION
LOGIC
UNDERVOLTAGE
DETECTION
LOGIC
PWM2
PWM3
PWM4
MODE/DAC
SELECT
ISEN1- ISEN1+ ISEN2- ISEN2+
CH2
CURRENT
SENSE
CH3
CURRENT
SENSE
CH4
CURRENT
SENSE
I_AVG
MOSFET
DRIVER
MOSFET
DRIVER
MOSFET
LOAD APPLY
TRANSIENT
ENHANCEMENT
PWM4
SIGNAL
LOGIC
OC
I_TRIP
I_AVG
IDROOP
OPEN SENSE
LINE DETECT
DETECT
WAVEFORM
I2C
LOGIC
SS/RST/A0
SDA
SCL
ISL6322
ISL6322


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