IR2109
(
4
)
(
S
) & (PbF)
www.irf.com 3
Dynamic Electrical Characteristics
V
BIAS
(V
CC
, V
BS
) = 15V, V
SS
= COM, C
L
= 1000 pF, T
A
= 25°C, DT = VSS unless otherwise specified.
Symbol Definition Min. Typ. Max. Units Test Conditions
t
on
Turn-on propagation delay — 750 950 V
S
= 0V
t
off
Turn-off propagation delay — 200 280 V
S
= 0V or 600V
t
sd Shut-down propagation delay
— 200 280
MT Delay matching, HS & LS turn-on/off — 0 70
t
r
Turn-on rise time — 150 220 V
S
= 0V
t
f
Turn-off fall time — 50 80 V
S
= 0V
DT Deadtime: LO turn-off to HO turn-on(DT
LO-HO) &
400 540 680 RDT= 0
HO turn-off to LO turn-on (DT
HO-LO)
4 5 6 usec RDT = 200k (IR21094)
MDT Deadtime matching = DT
LO - HO
- DT
HO-LO
— 0 60 RDT=0
— 0 600 RDT = 200k (IR21094)
nsec
nsec
Note 1: Logic operational for V
S
of -5 to +600V. Logic state held for V
S
of -5V to -V
BS
. (Please refer to the Design Tip
DT97-3 for more details).
VB High side floating supply absolute voltage V
S
+ 10 V
S
+ 20
V
S
High side floating supply offset voltage Note 1 600
V
HO
High side floating output voltage V
S
V
B
V
CC
Low side and logic fixed supply voltage 10 20
V
LO
Low side output voltage 0 V
CC
V
IN
Logic input voltage (IN & SD) V
SS
V
CC
DT Programmable dead-time pin voltage (IR21094 only) V
SS
V
CC
V
SS
Logic ground (IR21094 only) -5 5
T
A
Ambient temperature -40 125 °C
Symbol Definition Min. Max. Units
Recommended Operating Conditions
The input/output logic timing diagram is shown in figure 1. For proper operation the device should be used within the
recommended conditions. The V
S
and V
SS
offset rating are tested with all supplies biased at 15V differential.
V
