ISL6263 INTERSIL [Intersil Corporation], ISL6263 Datasheet - Page 3

• Manufacturer Part Number: ISL6263
• Description: 5-Bit VID Single-Phase Voltage Regulator for IMVP-6+ Santa Rosa GPU Core
• Manufacturer: INTERSIL [Intersil Corporation]

Block Diagram
DROOP
OCSET
RBIAS
VSUM
VDIFF
VSEN
VID0
VID1
VID2
VID3
VID4
VDD
VSS
DFB
RTN
VO
+
−
+
−
VID DAC
↓
1:1
↓
I
SS
↓
1.545V
V
+
−
REF
OCP
SOFT
I
DVID
FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF THE ISL6263
+
+
−
−
×
FB
2
I2UA
↓
+
+
−
−
Σ
SCP
E/A
+
+
VR_ON
COMP
CURRENT
VOLTAGE
VOLTAGE
PGOOD
CIRCUIT
PGOOD
SHORT
UNDER
LATCH
FAULT
VREF
OVER
OVER
POR
VIN
+
−
+
−
OVERVOLTAGE
FREQUENCY
EMULATION
CROWBAR
CONTROL
CONTROL
AUDIBLE
SEVERE
FILTER
DIODE
SOFT
PWM
g
g
V
SHOOT THROUGH
m
m
W
V
V
PROTECTION
soft
in
DRIVER
DRIVER
MODULATOR
V
PWM
COMP
R
3
BOOT
UGATE
PHASE
PVCC
LGATE
PGND
FDE
AF_EN
V W