
IRS2453(1)D(S)
Functional Block Diagram
RT 4
14 VB1
R
HV
Q
R
+
-
+
-
R
S
Q
Q
DEAD
TIME
PULSE
GEN
Level
Shift
PULSE
FILTER
BOOTSTRAP
DRIVE
R
S
13 HO1
12 VS1
R/2
DEAD
CT 3
+
-
S Q
R1
R2 Q
TIME
DELAY
6
LO1
R/2
SD 5
2.0V
S
R
Q
HV
Level
Shift
PULSE
FILTER
R
S
Q
10 VB2
9 HO2
PULSE
GEN
BOOTSTRAP
8 VS2
UV
DETECT
DELAY
DRIVE
15.4V
1 VCC
7 LO2
2
COM
9
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? 2012 International Rectifier
November 28, 2012