ir3502b International Rectifier Corp., ir3502b Datasheet - Page 21

• Manufacturer Part Number: ir3502b
• Description: Xphase3 Control Ic
• Manufacturer: International Rectifier Corp.

(PHASE IC)
(PHASE IC)
OUTPUT
VOLTAGE
IIN
(ISHARE)
FAULT
LATCH
ERROR
AMPLIFIER
OUTPUT
(EAOUT)
GATEH
GATEL
(VO)
VCCLDRV
OUTPUT
VOLTAGE
(VOSEN+)
VCCL UVLO
ROSC/OVP
Page 21 of 38
VCC
VCCL-800 mV
VDAC
OVP
THRESHOLD
12V
VCCL+0.7V
VCCL+0.7V
1.8V
1.6V
Figure 13 Over-voltage protection during normal operation
Figure 14 Over-voltage protection during power-up.
NORMAL OPERATION
130mV
12V
OVP CONDITION
IR3502B
AFTER
OVP
V3.2