參數(shù)資料
型號： IRS20954STRPBF
廠商： International Rectifier
英文描述： Protected Digital Audio Driver
中文描述： 受保護的數(shù)字音頻驅(qū)動程序
文件頁數(shù)： 4/25頁
文件大小： 585K
代理商： IRS20954STRPBF
IRS20954S
www.irf.com
4
Electrical Characteristics (cont.)
Symbol
Floating PWM Input
V
IH
V
IL
I
IN+
I
IN-
Protection
V
REF
V
th,OCL
Definition
Min.
Typ.
Max.
Units
Test Conditions
Logic high input threshold voltage
Logic low input threshold voltage
Logic “1” input bias current
Logic “0” input bias current
2.3
-
-
-
-
-
-
-
-
1.5
40
5
V
V
IN
=3.3 V
V
IN
= V
SS
μA
Reference output voltage
Low-side OC threshold in Vs
4.6
1.0
5.1
1.2
5.6
1.4
I
OREF
=0.5 mA
OCSET=1.2 V,
Fig. 13
Vs=200 V,
Fig. 14
V
th,OCH
V
th,1
V
th,2
I
CSD+
I
CSD-
High-side OC threshold in V
CSH
CSD pin shutdown release threshold
CSD pin self reset threshold
CSD pin discharge current
CSD pin charge current
Shutdown propagation delay from
V
CSD
> V
SS
+ Vth
OCH
to shutdown
Propagation delay time from V
CSH
>
Vth
OCH
to shutdown
Propagation delay time from Vs>
Vth
OCL
to shutdown
Gate Driver (Fig.5)
Output high short circuit current
(source)
Io-
Output low short circuit current (sink)
Low level output voltage
LO – COM, HO - VS
High level output voltage
VCC – LO, VB - HO
t
r
Turn-on rise time
t
f
Turn-off fall time
High
-
and low-side turn-on propagation
delay, floating inputs
High
-
and low-side turn-off propagation
delay, floating inputs
Hig
h-
and low-side turn-on propagation
delay, non-floating inputs
High
-
and low-side turn-off propagation
delay, non-floating inputs
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)
Deadtime: LO turn-off to HO turn-on
(DT
LO-HO
) & HO turn-off to LO turn-on
(DT
HO-LO
)
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
1.0+ Vs
0.62 x V
DD
0.26 x V
DD
50
50
1.2+ Vs
0.70 x V
DD
0.30 x V
DD
100
100
1.4+ Vs
0.78 x V
DD
0.34 x V
DD
150
150
V
V
SS
=0 V
μA
V
SD
= V
SS
+5 V
t
SD
-
-
1
Fig. 2
t
OCH
-
-
1
Fig. 3
t
OCL
-
-
1
μs
Fig. 4
Io+
0.8
1.0
-
V
o
=0 V, PW<10 μs
1.0
1.2
-
A
V
o
=12 V, PW<10 μs
V
OL
-
-
0.1
V
OH
-
-
1.4
V
I
o
=0 A
-
-
15
10
-
-
ton_1
-
105
-
toff_1
-
90
-
ton_2
-
105
-
toff_2
-
90
-
V
DT
= V
CC,
V
S
= 100 V,
V
SS
= COM
DT1
8
15
22
V
DT
>V
DT1,
V
SS
= COM
DT2
15
25
35
V
DT1
>V
DT
> V
DT2,
V
SS
= COM
DT3
20
35
50
V
DT2
>V
DT
> V
DT3,
V
SS
= COM
DT4
25
45
60
ns
V
DT3
>V
DT
> V
DT4,
V
SS
= COM
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