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IR2155 Datasheet(PDF) 1 Page - International Rectifier

Part No. IR2155
Description  SELF-OSCILLATING HALF-BRIDGE DRIVER
Download  6 Pages
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IR2155 Datasheet(HTML) 1 Page - International Rectifier

   
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Features
n Floating channel designed for bootstrap operation
Fully operational to +600V
Tolerant to negative transient voltage
dV/dt immune
n Undervoltage lockout
n Programmable oscillator frequency
f
=
×+
×
1
1.4 (R
150 ) C
TT
n Matched propagation delay for both channels
n Micropower supply startup current of 125 µA typ.
n Low side output in phase with RT
Description
The IR2155 is a high voltage, high speed, self-os-
cillating power MOSFET and IGBT driver with both high
and low side referenced output channels. Proprietary
HVIC and latch immune CMOS technologies enable
ruggedized monolithic construction.The front end fea-
tures a programmable oscillator which is similar to the
555 timer. The output drivers feature a high pulse cur-
rent buffer stage and an internal deadtime designed for
minimum driver cross-conduction. Propagation delays
for the two channels are matched to simplify use in
50% duty cycle applications. The floating channel can
be used to drive an N-channel power MOSFET or IGBT
Data Sheet No. PD-6.029G
IR2155
SELF-OSCILLATING HALF-BRIDGE DRIVER
Product Summary
VOFFSET
600V max.
Duty Cycle
50%
IO+/-
210 mA / 420 mA
VOUT
10 - 20V
Deadtime (typ.)
1.2 µs
Package
Typical Connection
up to 600V
V
CC
V
B
V
S
HO
LO
COM
R
T
C
T
TO
LOAD
in the high side configuration that operates off a high
voltage rail up to 600 volts.
CONTROL INTEGRATED CIRCUIT DESIGNERS’ MANUAL
B-199
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