( )
S
( )
IR2184 4
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)
Logic input for shutdown (referenced to COM for IR2184 and VSS for IR21844)
Programmable dead-time lead, referenced to VSS. (IR21844 only)
Logic Ground (21844 only)
SD
DT
VSS
V
High side floating supply
B
HO
High side gate drive output
V
V
High side floating supply return
S
Low side and logic fixed supply
CC
LO
Low side gate drive output
COM
Low side return
Lead Assignments
V
V
1
2
3
4
IN
1
2
3
4
IN
B
8
7
B
8
7
HO
HO
SD
COM
LO
SD
COM
LO
V
S
V
S
6
5
6
5
V
V
CC
CC
8-Lead PDIP
8-Lead SOIC
IR2184
IR2184S
14
13
12
11
10
9
14
13
12
11
10
9
1
IN
1
2
3
4
5
6
7
IN
V
V
2
3
4
5
6
7
SD
VSS
DT
B
SD
B
HO
HO
VSS
DT
V
S
V
S
COM
LO
COM
LO
8
8
V
V
CC
CC
14-Lead PDIP
14-Lead SOIC
IR21844
IR21844S
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