Functional Block Diagram
IHN
VCC
LIN
DEAD TIME &
SHOOT-THROUGH
PREVENTION
UV
DETECT
IRS2003(S)PbF
PULSE
GEN
HV
LEVEL
SHIFT
PULSE
FILTER
Q
R
S
VB
HO
VS
VCC
LO
COM
Lead Definitions
Symbol
HIN
LIN
VB
HO
VS
VCC
LO
COM
Description
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
High-side gate drive output
High-side floating supply return
Low-side and logic fixed supply
Low-side gate drive output
Low-side return
Lead Assignments
1 VCC
2 HIN
3 LIN
4 COM
VB 8
HO 7
VS 6
LO 5
www.irf.com
8 Lead PDIP
IRS2003PbF
1 VCC
2 HIN
3 LIN
4 COM
VB 8
HO 7
VS 6
LO 5
8 Lead SOIC
IRS2003SPbF
4