IR2184
(
4
)(S) & (PbF)
www.irf.com 5
14-Lead PDIP 14-Lead SOIC
IR21844 IR21844S
Lead Assignments
8-Lead PDIP 8-Lead SOIC
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 IR2184 and VSS for IR21844)
SD
Logic input for shutdown (referenced to
COM for IR2184 and VSS for IR21844)
DT Programmable dead-time lead, referenced to VSS. (IR21844 only)
VSS Logic Ground (21844 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
IR2184 IR2184S
1
2
3
4
8
7
6
5
IN
SD
COM
LO
V
B
HO
V
S
V
CC
1
2
3
4
8
7
6
5
IN
SD
COM
LO
V
B
HO
V
S
V
CC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IN
SD
VSS
DT
COM
LO
V
CC
V
B
HO
V
S
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IN
SD
VSS
DT
COM
LO
V
CC
V
B
HO
V
S
