IR3103
Pin-Out Description
Pin
1
2
3
4
5
6
7
8
9
10
11
V B
8
Name
V CC
H IN
L IN
NC
V SS
COM
NC
V B
V O
NC
V DD
V DD
11
1
Description
Logic and Internal Gate Drive Supply
Logic Input for High Side Gate Output
Logic Input For Low Side Gate Output
Not Connected
Logic Ground
Low Side MOSFET Gate Return
Not Connected
High Side Gate Drive Floating Supply
Half Bridge Output
Not Connected
High Voltage Supply
11
V CC
H IN
L IN
V SS
1
2
3
5
IC Driver
9
V o
H IN
0
L IN
1
V O
0
1
0
V D D
6
COM
1
X
1
X
Shoot-Through
condition
X
Figure 1: Driver Input/Output relation
www.irf.com
5
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