ir3500a International Rectifier Corp., ir3500a Datasheet - Page 25

• Manufacturer Part Number: ir3500a
• Description: Xphase3 Vr11.0 & Amd Pvid Control Ic
• Manufacturer: International Rectifier Corp.

VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL UVLO
ROSC/OVP
VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL UVLO
ROSC/OVP
Page 25 of 47
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 3, 2008
IR3500A