IR3500VMPBF International Rectifier, IR3500VMPBF Datasheet - Page 22
IR3500VMPBF
Manufacturer Part Number
IR3500VMPBF
Description
The IR3500V Control IC combined with one or more xPhase3 Phase IC implement the control and MOSFET driver functions for a VR11.1 CPU VTT power supply.
Manufacturer
International Rectifier
Datasheet
1.IR3500VMPBF.pdf
(34 pages)
Specifications of IR3500VMPBF
Package
32-Lead MLPQ
Circuit
X-Phase Control IC
Switch Freq (khz)
250kHz to 1.5MHz
Pbf
PbF Option Available
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VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL UVLO
ROSC/OVP
SS/DEL
VCC
Figure 18 - Over-voltage protection with pre-charging converter output VID + 0.13V <Vo < 1.73V
OV
THRESHOLD
OUTPUT
VOLTAGE
(VO)
VID
(FAST
VDAC)
VDAC
12V
VCCL+0.7V
VCCL+0.7V
1.73V
VID + 0.13V
VCCL - 1V
0.6V
3.92V (4V-0.08V)
NORMAL
OPERATION
Figure 19 - Over-voltage protection during dynamic VID
VDAC
VID DOWN
50mV
LOW VID
50mV
VID UP
NORMAL
OPERATION
1.73V
VDAC + 130mV
July 28, 2008
IR3500V
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