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IR21824
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
IR2181
(
4
) (
S
) &
(PbF)
4
www.irf.com
Functional Block Diagrams
2181
LIN
UV
DETECT
DELAY
HIN
VS
HO
VB
PULSE
FILTER
HV
LEVEL
SHIFTER
R
R
S
Q
UV
DETECT
PULSE
GENERATOR
VSS/COM
LEVEL
SHIFT
VSS/COM
LEVEL
SHIFT
COM
LO
VCC
21814
LIN
UV
DETECT
DELAY
COM
LO
VCC
HIN
VSS
VS
HO
VB
PULSE
FILTER
HV
LEVEL
SHIFTER
R
R
S
Q
UV
DETECT
PULSE
GENERATOR
VSS/COM
LEVEL
SHIFT
VSS/COM
LEVEL
SHIFT
IR2181
(
4
) (
S
) &
(PbF)
www.irf.com
5
Lead Assignments
8-Lead PDIP
8-Lead SOIC
Lead Definitions
Symbol
Description
HIN
Logic input for high side gate driver output (HO), in phase (IR2181/IR21814)
LIN
Logic input for low side gate driver output (LO), in phase (IR2181/IR21814)
VSS
Logic Ground (IR21814 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
IR2181
IR2181S
1
2
3
4
8
7
6
5
HIN
LIN
COM
LO
V
B
HO
V
S
V
CC
1
2
3
4
8
7
6
5
HIN
LIN
COM
LO
V
B
HO
V
S
V
CC
1
2
3
4
5
6
7
1
4
13
12
11
10
9
8
HIN
LIN
VSS
COM
LO
V
CC
V
B
HO
V
S
1
2
3
4
5
6
7
1
4
13
12
11
10
9
8
HIN
LIN
VSS
COM
LO
V
CC
V
B
HO
V
S
14-Lead PDIP
14-Lead SOIC
IR21814
IR21814S
IR2181
(
4
) (
S
) &
(PbF)
6
www.irf.com
Figure 1. Input/Output Timing Diagram
Figure 2. Switching Time W
aveform Definitions
Figure 3. Delay Matching W
aveform Definitions
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
IR21824
Mfr. #:
Buy IR21824
Manufacturer:
Infineon Technologies
Description:
IC DRIVER HIGH/LOW SIDE 14-DIP
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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TNT
EMS
Payment:
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