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IR2154 Datasheet(PDF) 4 Page - International Rectifier

Part No. IR2154
Description  SELF-OSCILLATING HALF-BRIDGE DRIVER
Download  7 Pages
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IR2154 Datasheet(HTML) 4 Page - International Rectifier

   
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IR2154
4
Symbol Definition
Min.
Typ.
Max. Units Test Conditions
fosc
Oscillator frequency
19.4
20
20.6
RT = 36.9kΩ
94
100
106
RT = 7.43k
d
RT pin duty cycle
48
50
52
%
fo < 100kHz
ICT
CT pin current
0.001
1.0
uA
ICTUV
UV-mode CT pin pulldown current
0.30
0.70
1.2
mA
VCC = 7V
VCT+
Upper CT ramp voltage threshold
8.0
VCT-
Lower CT ramp voltage threshold
4.0
VCTSD
CT voltage shutdown threshold
1.8
2.1
2.4
VRT+
High-level RT output voltage, VCC - VRT
10
50
IRT = 100µA
100
300
IRT = 1mA
VRT-
Low-level RT output voltage
10
50
IRT = 100µA
100
300
IRT = 1mA
VRTUV
UV-mode RT output voltage
0
100
VCC ≤ VCCUV-
VRTSD
SD-Mode RT output voltage, VCC - VRT
10
50
IRT = 100µA,
VCT = 0V
10
300
IRT = 1mA,
VCT = 0V
Oscillator I/O Characteristics
V
mV
Floating Supply Characteristics
Symbol Definition
Min.
Typ.
Max.
Units Test Conditions
IQBSUV
Micropower startup VBS supply current
0
10
VCC ≤ VCCUV-
IQBS
Quiescent VBS supply current
30
50
VBSMIN
Minimum required VBS voltage for proper
4.0
5.0
V
VCC=VCCUV+ + 0.1V
functionality from RT to HO
ILK
Offset supply leakage current
50
µAVB = VS = 600V
µA
Electrical Characteristics (cont.)
Symbol Definition
Min.
Typ.
Max.
Units Test Conditions
VOH
High level output voltage, VBIAS -VO
0
100
IO = OA
VOL
Low-level output voltage, VO
0
100
IO = OA
VOL_UV
UV-mode output voltage, VO
0
100
IO = OA
VCC ≤ VCCUV-
tr
Output rise time
80
150
tf
Output fall time
45
100
tsd
Shutdown propogation delay
660
td
Output deadtime (HO or LO)
0.35
0.60
0.85
µsec
Gate Driver Output Characteristics
mV
nsec
kHz


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