Data Sheet No. PD60260
/
IRS2108 IRS21084(S)PbF
HALF-BRIDGE DRIVER
Packages
Features
Floating channel designed for bootstrap operation
•
Fully operational to +600 V
•
Tolerant to negative transient voltage, dV/dt
•
8-Lead PDIP
immune
Gate drive supply range from 10 V to 20 V
•
Undervoltage lockout for both channels
•
14-Lead PDIP
3.3 V, 5 V, and 15 V input logic compatible
•
Cross-conduction prevention logic
•
Matched propagation delay for both channels
•
High-side output in phase with HIN input
•
Low-side output out of phase with
input
ꢆꢈꢉ
Logic and power ground +/- 5 V offset
Internal 540 ns deadtime, and programmable up
to 5 µs with one external R resistor (IRS21084)
•
•
•
8-Lead SOIC
14-Lead SOIC
DT
Lower di/dt gate driver for better noise immunity
•
• RoHS compliant
Description
Feature Comparison
The IRS2108/IRS21084 are high volt-
age, high speed power MOSFET and
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t
/t
on off
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IGBT drivers with dependent high- and
low-side referenced output channels.
Proprietary HVIC and latch immune
CMOS technologies enable ruggedized
monolithic construction. The logic input
is compatible with standard CMOS or
LSTTL output, down to 3.3 V logic. The
output drivers feature a high pulse cur-
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rent 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
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ꢀ
ꢁꢁ
ꢀ
ꢁꢁ
ꢀ
ꢂ
ꢄꢈꢉ
ꢆꢈꢉ
ꢄꢈꢉ
ꢆꢈꢉ
ꢄꢅ
ꢑꢅ
ꢀ
ꢃ
ꢆꢅꢒꢓ
ꢁꢅꢇ
ꢆꢅ
ꢊꢋꢌꢍꢎꢌꢏꢐꢐꢌꢀ
IRS21084
IRS2108
ꢄꢅ
ꢀ
ꢀ
ꢀ
ꢁꢁ
ꢁꢁ
ꢂ
ꢄꢈꢉ
ꢆꢈꢉ
ꢓꢑ
ꢀ
ꢄꢈꢉ
ꢆꢈꢉ
ꢃ
ꢑꢅ
ꢆꢅꢒꢓ
(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.
ꢀ
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ꢆꢅ
ꢀ
ꢃꢃ
ꢃꢃ
ꢔ
ꢓꢑ
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