IR21531(D)(S) & (PbF)
NOTE:For new designs, we recommend
IR’s new product IRS21531D
Electrical Characteristics (cont.)
Gate Driver Output Characteristics
Symbol Definition
VOH
VOL
High level output voltage, VBIAS -VO
Low-level output voltage, VO
VOL_UV UV-mode output voltage, VO
Min.
—
—
—
tr
Output rise time
—
tf
Output fall time
—
tsd
Shutdown propogation delay
—
td
Output deadtime (HO or LO)
0.35
Typ.
0
0
0
80
45
660
0.60
Max.
100
100
100
150
100
—
0.85
Units Test Conditions
IO = OA
mV
IO = OA
IO = OA
VCC ≤ VCCUV-
nsec
μsec
Lead Definitions
Symbol
VCC
RT
CT
COM
LO
VS
HO
VB
Description
Logic and internal gate drive supply voltage
Oscillator timing resistor input
Oscillator timing capacitor input
IC power and signal ground
Low side gate driver output
High voltage floating supply return
High side gate driver output
High side gate driver floating supply
Lead Assignments
8 Lead PDIP
IR21531D
NOTE: The IR21531D is offered in 8 lead PDIP only.
www.irf.com
8 Lead SOIC
IR21531(S)
5