IR3500VMPBF International Rectifier, IR3500VMPBF Datasheet - Page 21

• 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

Specifications of IR3500VMPBF

• Package: 32-Lead MLPQ
• Circuit: X-Phase Control IC
• Switch Freq (khz): 250kHz to 1.5MHz
• Pbf: PbF Option Available

VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL UVLO
ROSC/OVP
VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL UVLO
ROSC/OVP
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VCC
VCC
Figure 17 - Over-voltage protection with pre-charging converter output Vo > 1.73V
12V
VCCL+0.7V
VCCL+0.7V
1.8V
1.6V
12V
VCCL+0.7V
VCCL+0.7V
1.8V
1.73V
1.6V
Figure 16 - Over-voltage protection during power-up
12V
July 28, 2008
IR3500V