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International Rectifier Electronic Components Datasheet



AN-1097

IRS2011 and IR2011 Comparison


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Application Note AN-1097
IRS2011 and IR2011 Comparison
By Jason Nguyen, Min Fang, David New
Table of Contents
Page
Introduction ..........................................................................................1
Block Diagram......................................................................................2
Electrical Characteristic Differences.....................................................3
Figures .................................................................................................3
Summary .............................................................................................. 9
Introduction
The IRS2011 is a new HVIC product that replaces the IR2011 and is pin-to-pin compatible
with its predecessor. This application note describes the various differences between the
IRS2011 and the IR2011 HVICs.
The IRS2011 is a high power, high speed power MOSFET driver with independent high
and low side referenced output channels, ideal for Class D Audio and DC-DC converter
applications. Logic inputs are compatible with standard CMOS or LSTTL outputs, down to
3.0 V logic. The output drivers feature a high pulse current buffer stage designed for
minimum driver cross-conduction. Propagation delays are matched to simplify its use in
high frequency applications. The floating channel can be used to drive an N-channel
power MOSFET in the high side configuration which operates up to 200 V. Proprietary
HVIC and latch immune CMOS technologies enable ruggedized monolithic construction.
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Block Diagram
The IRS2011 and IR2011 share the same block diagram. The functionality of the two
ICs is the same.
Electrical Characteristic Differences
All measurement conditions remain unchanged unless noted. Parameters not
mentioned have not changed.
Absolute Maximum Ratings
Symbol
Parameter
Definition
VB High side floating supply voltage
VS High side floating supply offset voltage
VCC Low side fixed supply voltage
IR2011
min max
-0.3 225
VB - 25 VB + 0.3
-0.3 25
IRS2011
min max
Units
-0.3 220 (Note1)
VB - 20
VB + 0.3
V
-0.3 20 (Note1)
Note1: In the IRS2011, all supplies are fully tested at 25 V and an internal 20 V clamp
exists for each supply. The 20 V, internal clamp improves the IC survivability against
supply transient spikes but at the same time reduces the absolute maximum rating to
20 V.
Recommended Operating Conditions
The minimum VS is changed from -4 V (IR2011) to -5 V (IRS2011), which increases the
VS negative voltage capability by 1 V.
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AN-1097
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Part Number AN-1097
Description IRS2011 and IR2011 Comparison
Maker International Rectifier - International Rectifier
Total Page 9 Pages
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