Not recommended for new designs. IRS20954SPBF
Please use IRS20957SPBF.
www.irf.com 4
Electrical Characteristics (cont.)
Symbol
Definition
Min.
Typ.
Max.
Units
Test Conditions
Floating PWM Input
V
IH
Logic high input threshold voltage 2.3 - -
V
IL
Logic low input threshold voltage - - 1.5
V
I
IN+
Logic “1” input bias current - - 40 V
IN
=3.3 V
I
IN-
Logic “0” input bias current - - 5
µA
V
IN
= V
SS
Protection
V
REF
Reference output voltage 4.6 5.1 5.6 I
OREF
=0.5 mA
V
th,OCL
Low-side OC threshold in V
S
1.0 1.2 1.4
OCSET=1.2 V, Fig. 13
V
th,OCH
High-side OC threshold in V
CSH
1.0+ Vs 1.2+ Vs 1.4+ Vs
Vs=200 V,
Fig. 14
V
th,1
CSD pin shutdown release threshold 0.62 x V
DD
0.70 x V
DD
0.78 x V
DD
V
th,2
CSD pin self reset threshold 0.26 x V
DD
0.30 x V
DD
0.34 x V
DD
V
V
SS
=0 V
I
CSD+
CSD pin discharge current 50 100 150
I
CSD-
CSD pin charge current 50 100 150
µA V
SD
= V
SS
+5 V
t
SD
Shutdown propagation delay from
V
CSD
> V
SS
+ V
th,OCH
to shutdown
- - 1 Fig. 2
t
OCH
Propagation delay time from V
CSH
>
V
th,OCH
to shutdown
- - 1 Fig. 3
t
OCL
Propagation delay time from Vs>
V
th,OCL
to shutdown
- - 1
µs
Fig. 4
Gate Driver (Fig.5)
Io+
Output high short circuit current
(source)
0.8 1.0 - V
o
=0 V, PW<10 µs
Io- Output low short circuit current (sink) 1.0 1.2 -
A
V
o
=12 V, PW<10 µs
V
OL
Low level output voltage
LO – COM, HO - VS
- - 0.1
V
OH
High level output voltage
VCC – LO, VB - HO
- - 1.4
V
I
o
=0 A
t
r
Turn-on rise time - 15 -
t
f
Turn-off fall time - 10 -
ton_1
High- and low-side turn-on
propagation delay, floating inputs
- 105 -
toff_1
High and low-side turn-off propagation
delay, floating inputs
- 90 -
ton_2
High- and low-side turn-on
propagation delay, non-floating inputs
- 105 -
toff_2
High- and low-side turn-off
propagation delay, non-floating inputs
- 90 -
V
DT
= V
CC,
V
S
= 100 V,
V
SS
= COM
DT1
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)
8 15 22
V
DT
>V
DT1,
V
SS
= COM
DT2
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)
15 25 35
V
DT1
>V
DT
> V
DT2,
V
SS
= COM
DT3
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)
20 35 50
V
DT2
>V
DT
> V
DT3,
V
SS
= COM
DT4
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)V
DT
= V
DT4
25 45 60
ns
V
DT3
>V
DT,
V
SS
= COM
