Data Sheet No. PD60262
IRS2181/IRS21814(S)PbF
HIGH AND LOW SIDE DRIVER
Features
Packages
Floating channel designed for bootstrap operation
·
Fully operational to +600 V
Tolerant to negative transient voltage, dV/dt
14-Lead PDIP
IRS21814
IRS2181
·
·
8-Lead PDIP
immune
Gate drive supply range from 10 V to 20 V
Undervoltage lockout for both channels
3.3 V and 5 V input logic compatible
Matched propagation delay for both channels
Logic and power ground +/- 5 V offset
Lower di/dt gate driver for better noise immunity
Output source/sink current capability 1.4 A/1.8 A
RoHS compliant
·
·
·
8-Lead SOIC
IRS2181S
·
·
·
·
14-Lead SOIC
IRS21814S
·
Feature Comparison
Description
Cross-
The IRS2181/IRS21814 are high
voltage, high speed power MOSFET
and IGBT drivers with independent
high-side and low-side referenced
output channels. Proprietary HVIC
and latch immune CMOS technolo-
gies enable ruggedized monolithic
construction. The logic input is com-
Input
logic
Deadtime
(ns)
t
/t
(ns)
conduction
prevention
logic
on off
Part
Ground Pins
2181
21814
2183
21834
2184
COM
VSS/COM
COM
VSS/COM
COM
HIN/LIN
HIN/LIN
IN/SD
no
none
180/220
180/220
680/270
Internal 400
Program 400-5000
Internal 400
yes
yes
21844
Program 400-5000
VSS/COM
patible with standard CMOS or LSTTL output, down to 3.3 V 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 V.
Typical Connection
up to 600 V
VCC
VCC
VB
HO
VS
HIN
LIN
HIN
LIN
TO
LOAD
COM
LO
up to 600 V
IRS2181
IRS21814
HO
VB
VCC
VCC
HIN
HIN
LIN
VS
TO
LOAD
LIN
(Refer to Lead Assignments for correct pin
configuration). These diagrams show
electrical connections only. Please refer to
our Application Notes and DesignTips for
proper circuit board layout.
VSS
COM
LO
VSS
1
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