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PDF IR2108SPBF Data sheet ( Hoja de datos )
| Número de pieza | IR2108SPBF | |
| Descripción | HALF-BRIDGE DRIVER | |
| Fabricantes | International Rectifier | |
| Logotipo |  |
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Data Sheet No. PD60161-R
IR2108(4) (S) & (PbF)
Features
HALF-BRIDGE DRIVER
• Floating channel designed for bootstrap operation
Fully operational to +600V
Tolerant to negative transient voltage
Packages
dV/dt immune
8-Lead SOIC
14-Lead SOIC
• Gate drive supply range from 10 to 20V
IR2108S
IR21084S
• Undervoltage lockout for both channels
• 3.3V, 5V and 15V input logic compatible
• Cross-conduction prevention logic
• Matched propagation delay for both channels
14-Lead PDIP
IR21084
• High side output in phase with HIN input
8-Lead PDIP
• Low side output out of phase with LIN input
IR2108
• Logic and power ground +/- 5V offset.
• Internal 540ns dead-time, and
programmable up to 5us with one
2106/2301//2108//2109/2302/2304 Feature Comparison
external RDT resistor (IR21084)
• Lower di/dt gate driver for better
noise immunity
• Available in Lead-Free
Description
The IR2108(4)(S) are high voltage, high speed
power MOSFET and IGBT drivers with depen-
dent high and low side referenced output
channels. Proprietary HVIC and latch immune
Part
2106/2301
21064
2108
21084
2109/2302
21094
2304
Input
logic
HIN/LIN
HIN/LIN
IN/SD
HIN/LIN
Cross-
conduction
prevention
logic
no
yes
yes
yes
Dead-Time
none
Internal 540ns
Programmable 0.54~5 µs
Internal 540ns
Programmable 0.54~5 µs
Internal 100ns
Ground Pins
COM
VSS/COM
COM
VSS/COM
COM
VSS/COM
COM
CMOS technologies enable ruggedized 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
VCC
VB
HIN HIN HO
LIN LIN VS
COM
LO
up to 600V
TO
LOAD
IR2108
(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.
VCC
HIN
LIN
V SS
HO
VCC
VB
HIN VS
LIN
DT
RDT
VSS COM
LO
IR21084
up to 600V
TO
LOAD
www.irf.com
1
1 page  
IR2108(4) (S) & (PbF)
Lead Definitions
Symbol Description
HIN Logic input for high side gate driver output (HO), in phase (referenced to COM for IR2108 and
VSS for IR21084)
LIN Logic input for low side gate driver output (LO), out of phase (referenced to COM for IR2108
and VSS for IR21084)
DT Programmable dead-time lead, referenced to VSS. (IR21084 only)
VSS Logic Ground (21084 only)
VB High side floating supply
HO High side gate driver output
VS High side floating supply return
VCC Low side and logic fixed supply
LO Low side gate driver output
COM
Low side return
Lead Assignments
1 VCC
2 HIN
3 LIN
4 COM
VB 8
HO 7
VS 6
LO 5
8 Lead PDIP
IR2108
1 VCC
2 HIN
3 LIN
4 COM
VB 8
HO 7
VS 6
LO 5
8 Lead SOIC
IR2108S
1 VCC
2 HIN
3 LIN
4 DT
5 VSS
6 COM
7 LO
14
VB 13
HO 12
VS 11
10
9
8
14 Lead PDIP
IR21084
www.irf.com
1 VCC
2 HIN
3 LIN
4 DT
5 VSS
6 COM
7 LO
14
VB 13
HO 12
VS 11
10
9
8
14 Lead SOIC
IR21084S
5
5 Page 
IR2108(4) (S) & (PbF)
4
3
2 Max.
1
T yp.
0
10 12 14 16 18
VCC Supply Voltage (V)
Figure 11B. High Level Output
vs. Supply Voltage
20
1.5
1.2
0.9
0.6
Max.
0.3
T yp.
0
-50 -25
0 25 50 75 100 125
Temperature (oC)
Figure 12A. Low Level Output
vs. Temperature
1.5
1.2
0.9
Max .
0.6
T yp.
0.3
0
10 12 14 16 18
VCC Supply Voltage (V)
Figure 12B. Low Level Output
vs. Supply Voltage
20
www.irf.com
500
400
300
200
100
Max .
0
-50 -25
0 25 50 75 100 125
Temperature (oC)
Figure 13A. Offset Supply Leakage Current
vs. Tem perature
11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet IR2108SPBF.PDF ] | |
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