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ISL6313_14 Datasheet, PDF (3/33 Pages) Intersil Corporation – Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR11 and AMD Applications | |||
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Block Diagram
ISL6313
PGOOD
EN
RGND
OPEN SENSE
LINE PREVENTION
VSEN
UNDERVOLTAGE
DETECTION
LOGIC
OVERVOLTAGE
DETECTION
LOGIC
SOFT-START
AND
FAULT LOGIC
0.85V
POWER-ON
RESET
VCC
PVCC
APA
SS
MODE / DAC
SELECT
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
RGND
DVC
REF
FB
COMP
OFS
IOUT
DYNAMIC
VID
D/A
+
+â
x2
2kΩ
OCP
I_TRIP
E/A
OFFSET
x1
OCP
VOCP
FS
I_AVG
ADAPTIVE PHASE
ALLIGNMENT
CIRCUITRY
CLOCK AND
MODULATOR
WAVEFORM
GENERATOR
MOSFET
DRIVER
BOOT1
UGATE1
PHASE1
LGATE1
FS
+â
-
+â
-
PWM1
PWM2
MOSFET
DRIVER
BOOT2
UGATE2
PHASE2
LGATE2
CHANNEL
DETECT
CHANNEL
CURRENT
I_AVG
1
BALANCE
N
CH2
CURRENT
SENSE
+
â
+
CH1
CURRENT
SENSE
RISEN2
RISEN1
ISEN2-
ISEN2+
RSET
ISEN1+
ISEN1-
GND
3
FN6448.2
September 2, 2008
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