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PDF IR21814SPBF Data sheet ( Hoja de datos )
| Número de pieza | IR21814SPBF | |
| Descripción | HIGH AND LOW SIDE DRIVER | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Data Sheet No. PD60172 Rev.G
IR2181(4)(S) &(PbF)
HIGH AND LOW SIDE DRIVER
Features
• Floating channel designed for bootstrap operation
Fully operational to +600V
Tolerant to negative transient voltage
dV/dt immune
• Gate drive supply range from 10 to 20V
• Undervoltage lockout for both channels
• 3.3V and 5V input logic compatible
• Matched propagation delay for both channels
• Logic and power ground +/- 5V offset.
• Lower di/dt gate driver for better noise immunity
• Output source/sink current capability 1.4A/1.8A
• Also available LEAD-FREE (PbF)
Packages
8-Lead PDIP
IR2181
8-Lead SOIC
IR2181S
14-Lead PDIP
IR21814
14-Lead SOIC
IR21814S
IR2181/IR2183/IR2184 Feature Comparison
Description
The IR2181(4)(S) are high voltage,
high speed power MOSFET and IGBT
drivers with independent high and low
side referenced output channels. Pro-
prietary HVIC and latch immune
CMOS technologies enable rugge-
Part
2181
21814
2183
21834
2184
21844
Input
logic
HIN/LIN
HIN/LIN
IN/SD
Cross-
conduction
prevention
logic
no
yes
yes
Dead-Time
Ground Pins
none
Internal 500ns
Program 0.4 ~ 5 us
Internal 500ns
Program 0.4 ~ 5 us
COM
VSS/COM
COM
VSS/COM
COM
VSS/COM
Ton/Toff
180/220 ns
180/220 ns
680/270 ns
dized monolithic construction. The logic input is compatible with standard CMOS or LSTTL output, down to
3.3V logic. The output drivers feature a high pulse current buffer stage designed for minimum driver cross-
conduction. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high side
configuration which operates up to 600 volts.
Typical Connection
VCC
V CC
VB
HIN HIN HO
LIN LIN VS
COM
LO
IR2181
(Refer to Lead Assignments for correct pin
configuration). This/These diagram(s) show
electrical connections only. Please refer to
our Application Notes and DesignTips for
proper circuit board layout.
up to 600V
TO
LOAD
HO
VCC
VCC
VB
HIN HIN VS
LIN LIN
VSS VSS COM
LO
IR21814
up to 600V
TO
LOAD
www.irf.com
1
1 page  
IR2181(4) (S) & (PbF)
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)
VB High side floating supply
HO High side gate drive output
VS High side floating supply return
VCC Low side and logic fixed supply
LO Low side gate drive output
COM
Low side return
Lead Assignments
1 HIN
2 LIN
3 COM
4 LO
VB
HO
VS
VCC
8
7
6
5
8-Lead PDIP
IR2181
1 HIN
14
2 LIN
VB 13
3 VSS
HO 12
4 VS 11
5 COM
10
6 LO
9
7 VCC
8
14-Lead PDIP
IR21814
www.irf.com
1 HIN
2 LIN
3 COM
4 LO
VB
HO
VS
VCC
8
7
6
5
8-Lead SOIC
IR2181S
1 HIN
2 LIN
3 VSS
4
5 COM
6 LO
7 VCC
14
VB 13
HO 12
VS 11
10
9
8
14-Lead SOIC
IR21814S
5
5 Page 
IR2181(4) (S) & (PbF)
500
400
300
200
100
M ax.
0
-50 -25
0 25 50 75
Temperature (oC)
100 125
Figure 12A. Offset Supply Leakage Current
vs. Temperature
500
400
300
200
100
M ax.
0
100
200 300 400 500
VB Boost Voltage (V)
600
Figure 12B. Offset Supply Leakage Current
vs. VB Boost Voltage
250
200
M ax.
150
100 Typ.
50
0
-50 -25
M in.
0 25 50 75 100 125
Temperature (oC)
Figure 13A. VBS Supply Current
vs. Temperature
250
200
150
100
50
0
10
M ax.
Typ.
M in.
12 14 16 18
VBS Floating Supply Voltage (V)
Figure 13B. VBS Supply Current
vs. VBS Floating Supply Voltage
20
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11
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet IR21814SPBF.PDF ] | |
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