IR2112
Functional Block Diagram
VB
UV
VDD
DETECT
R
R
S
Q
HV
LEVEL
SHIFT
HO
PULSE
FILTER
R
Q
S
VDD/VCC
LEVEL
SHIFT
HIN
SD
PULSE
GEN
VS
VCC
UV
DETECT
VDD/VCC
LEVEL
SHIFT
LIN
VSS
LO
S
R
Q
DELAY
COM
Lead Definitions
Symbol Description
V
Logic supply
DD
HIN
SD
Logic input for high side gate driver output (HO), in phase
Logic input for shutdown
LIN
Logic input for low side gate driver output (LO), in phase
Logic ground
V
V
SS
High side floating supply
B
HO
High side gate drive output
High side floating supply return
Low side supply
V
V
S
CC
LO
Low side gate drive output
COM
Low side return
Lead Assignments
14 Lead DIP
14 Lead DIP w/o Lead 4
16 Lead DIP w/o Leads 4 & 5 16 Lead SOIC (Wide Body)
IR2112
IR2112-1
IR2112-2
IR2112S
Part Number
www.irf.com
4
ETC [ ETC ]
