Datasheet

IR2109
(
4
) (
S
) & (PbF)
6 www.irf.com
14 Lead PDIP 14 Lead SOIC
IR21094 IR21094S
Lead Assignments
8 Lead PDIP 8 Lead SOIC
1
2
3
4
8
7
6
5
V
CC
IN
SD
COM
V
B
HO
V
S
LO
1
2
3
4
8
7
6
5
V
CC
IN
SD
COM
V
B
HO
V
S
LO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
IN
SD
DT
VSS
COM
LO
V
B
HO
V
S
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
IN
SD
DT
VSS
COM
LO
V
B
HO
V
S
Lead Definitions
Symbol Description
IN Logic input for high and low side gate driver outputs (HO and LO), in phase with HO (referenced to COM
for IR2109 and VSS for IR21094)
SD
Logic input for shutdown (referenced to
COM for IR2109 and VSS for IR21094)
DT Programmable dead-time lead, referenced to VSS. (IR21094 only)
VSS Logic Ground (21094 only)
V
B
High side floating supply
HO High side gate drive output
V
S
High side floating supply return
V
CC
Low side and logic fixed supply
LO Low side gate drive output
COM Low side return
IR2109 IR2109S