( )
S
IR2103
Functional Block Diagram
VB
Q
HV
LEVEL
SHIFT
R
S
HO
PULSE
FILTER
DEAD
TIME
HIN
PULSE
GEN
VS
UV
DETECT
VCC
Vcc
LIN
LO
DEAD
TIME
COM
Lead Definitions
Symbol Description
HIN
Logic input for high side gate driver output (HO), in phase
Logic input for low side gate driver output (LO), out of phase
High side floating supply
LIN
V
B
HO
High side gate drive output
V
V
High side floating supply return
Low side and logic fixed supply
Low side gate drive output
S
CC
LO
COM
Low side return
Lead Assignments
V
V
1
2
3
4
V
CC
B
8
1
2
3
4
V
CC
B
8
HO
HO
HIN
LIN
7
6
5
HIN
LIN
7
6
5
V
S
V
S
LO
LO
COM
COM
8 Lead PDIP
8 Lead SOIC
IR2103
IR2103S
4
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INFINEON [ Infineon ]
