ISL6313 INTERSIL [Intersil Corporation], ISL6313 Datasheet - Page 3

• Manufacturer Part Number: ISL6313
• Description: Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR11 and AMD Applications
• Manufacturer: INTERSIL [Intersil Corporation]

Block Diagram
COMP
RGND
VSEN
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
IOUT
OFS
DVC
REF
APA
SS
FB
MODE / DAC
SELECT
OFFSET
RGND
DYNAMIC
x2
UNDERVOLTAGE
D/A
VID
OVERVOLTAGE
DETECTION
DETECTION
x1
V
LOGIC
LOGIC
OCP
LINE PREVENTION
+
OCP
OPEN SENSE
∑
+
3
2kΩ
I_AVG
E/A
FS
I_TRIP
OCP
FAULT LOGIC
SOFT-START
PGOOD
+
ISL6313
ISL6313
ADAPTIVE PHASE
AND
∑
-
ALLIGNMENT
MODULATOR
GENERATOR
+
CLOCK AND
CIRCUITRY
WAVEFORM
-
∑
CHANNEL
CURRENT
BALANCE
I_AVG
1
N
0.85V
PWM2
PWM1
EN
∑
POWER-ON
+
+
RESET
CHANNEL
CURRENT
CURRENT
GND
DETECT
SENSE
SENSE
CH2
CH1
MOSFET
MOSFET
DRIVER
DRIVER
R
R
ISEN2
ISEN1
March 5, 2007
PVCC
VCC
BOOT1
UGATE1
PHASE1
LGATE1
FS
BOOT2
UGATE2
PHASE2
LGATE2
ISEN2-
ISEN2+
RSET
ISEN1+
ISEN1-
FN6448.0