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IR2155 Datasheet(PDF) 4 Page - International Rectifier

Part # IR2155
Description  SELF-OSCILLATING HALF-BRIDGE DRIVER
PDF  7 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR2155 Datasheet(HTML) 4 Page - International Rectifier

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IR2155&(PbF)
4
www.irf.com
Lead Definitions
Lead
Symbol
Description
RT
Oscillator timing resistor input,in phase with LO for normal IC operation
CT
Oscillator timing capacitor input, the oscillator frequency according to the following equation:
f
=
×+
×
1
1.4 (R
150 ) C
TT
Ω
where 150
Ω is the effective impedance of the RT output stage
VB
High side floating supply
HO
High side gate drive output
VS
High side floating supply return
VCC
Low side and logic fixed supply
LO
Low side gate drive output
COM
Low side return
Functional Block Diagram
Lead Assignments
8 Lead DIP
IR2155
V
B
PULSE
GEN
DELAY
HV
LEVEL
SHIFT
V
CC
PULSE
FILTER
DEAD
TIME
LO
HO
V
S
COM
R
S
Q
15.6V
C
T
R
T
UV
DETECT
+
-
+
-
RQ
SQ
R
R
R
DEAD
TIME
UV
DETECT
R



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