
IR21531(D)(S) & (PbF)
Electrical Characteristics (cont.)
Gate Driver Output Characteristics
Symbol Definition
Min.
Typ.
Max.
Units Test Conditions
V OH
High level output voltage, V BIAS -V O
—
0
100
I O = OA
VOL Low-level output voltage, VO
VOL_UV UV-mode output voltage, VO
—
—
0
0
100
100
mV
I O = OA
I O = OA
V CC ≤ V CCUV -
tr
Output rise time
—
80
150
tf
tsd
td
Output fall time
Shutdown propogation delay
Output deadtime (HO or LO)
—
—
0.35
45
660
0.60
100
—
0.85
nsec
μ sec
Lead Definitions
Symbol
V CC
R T
C T
COM
LO
V S
HO
V B
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 DIP
IR21531(D)
NOTE: The IR21531D is offered in 8 lead DIP only.
www.irf.com
8 Lead SOIC
IR21531S
5