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Part Name
Description
ISL6263C View Datasheet(PDF) - Intersil
Part Name
Description
MFG CO.
ISL6263C
5-Bit VID Single-Phase Voltage Regulator with Current Monitor for GPU Core Power
Intersil
'ISL6263C' PDF : 18 Pages
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Block Diagram
VDD
VSS
RBIAS
OCSET
ISP
ISN
ICOMP
VO
V
REF
+
1.545V
−
↓↓
1:1
−
OCP
+
+
−
VR_ON
×
2
−
SCP
+
+
−
VSEN
RTN
VDIFF
VID0
VID1
VID2
VID3
VID4
+
−
VID DAC
I
SS
↓
I
DVID
+
E/A
−
PGOOD
POR
VREF
PGOOD
SHORT CIRCUIT
OVERCURRENT
UNDERVOLTAGE
OVERVOLTAGE
FAULT LATCH
PWM
CONTROL
DIODE
EMULATION
AUDIBLE
FREQUENCY
FILTER
SEVERE
OVERVOLTAGE
SOFT
CROWBAR
CONTROL
X31
DRIVER
SHOOT-THROUGH
PROTECTION
DRIVER
+
g
m
V
IN
PWM
−
Δ
V
W
Δ
V
W
20% 30%
R
3
V
W
MODULATOR
+
g
m
V
soft
V
COMP
−
SOFT
FB
COMP IMON VIN
FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF THE ISL6263C
BOOT
UGATE
PHASE
PVCC
LGATE
PGND
FDE
AF_EN
VW
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