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IR21531 Datasheet(PDF) 5 Page - International Rectifier

Part No. IR21531
Description  SELF-OSCILLATING HALF-BRIDGE DRIVER
Download  9 Pages
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IR21531 Datasheet(HTML) 5 Page - International Rectifier

   
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IR21531D(S) & (PbF)
www.irf.com
5
Lead Assignments
8 Lead DIP
8 Lead SOIC
IR21531(D)
IR21531S
NOTE: The IR21531D is offered in 8 lead DIP only.
Symbol
Description
VCC
Logic and internal gate drive supply voltage
RT
Oscillator timing resistor input
CT
Oscillator timing capacitor input
COM
IC power and signal ground
LO
Low side gate driver output
VS
High voltage floating supply return
HO
High side gate driver output
VB
High side gate driver floating supply
Lead Definitions
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
Electrical Characteristics (cont.)


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