參數(shù)資料
型號： IRS20954S
廠商： International Rectifier
英文描述： Protected Digital Audio Driver
中文描述： 受保護(hù)的數(shù)字音頻驅(qū)動(dòng)程序
文件頁數(shù)： 3/25頁
文件大?。?/td> 585K
代理商： IRS20954S
IRS20954S
www.irf.com
3
Recommended Operating Conditions
For proper operation, the device should be used within the recommended conditions below. The V
s
and COM offset
ratings are tested with supplies biased at I
DD
=5 mA, V
CC
=12 V, and V
B
-V
S
=12 V.
Symbol
Definition
V
B
High-side floating supply absolute voltage
V
S
High-side floating supply offset voltage
I
DDZ
Floating input supply Zener clamp current
V
SS
Floating input supply absolute voltage
V
HO
High-side floating output voltage
V
CC
Low-side fixed supply voltage
V
LO
Low-side output voltage
V
IN
PWM input voltage
V
CSD
CSD pin input voltage
V
DT
DT pin input voltage
I
OREF
Reference output current to COM (Note 2)
V
OCSET
OCSET
pin input voltage
T
A
Ambient temperature
Note 1: Logic operational for Vs equal to –5 V to +200 V. Logic state held for Vs equal to –5 V to –V
BS
.
Note 2: Nominal voltage for V
REF
is 5 V. I
OREF
of 0.3 mA to 0.8 mA dictates total external resistor value on V
REF
to be 6.3 k
Ω
to 16.7 k
Ω
.
Electrical Characteristics
V
CC
, V
BS
= 12 V, I
DD
=5 mA, V
SS
=20 V
,
V
S
=0 V, C
L
=1 nF, and T
A
=25
°
C unless otherwise specified.
Min.
Low-side Supply
UV
CC+
V
CC
supply UVLO positive threshold
8.4
UV
CC-
V
CC
supply UVLO negative threshold
8.2
I
QCC
Low-side quiescent current
-
V
CLAMPL
Low-side Zener diode clamp voltage
19.8
High-side Floating Supply
High-side well UVLO positive
threshold
High-side well UVLO negative
threshold
I
QBS
High-side quiescent current
-
I
LKH
High
-side
to low-side leakage current
V
CLAMPH
High-side Zener diode clamp voltage
19.8
Floating Input Supply
V
DD
, V
SS
floating supply UVLO
positive threshold
V
DD
, V
SS
floating supply UVLO
negative threshold
I
QDD
Floating input quiescent current
-
Floating input Zener diode clamp
voltage
Floating input side to low-side leakage
current
Min.
Vs+10
Note 1
1
0
V
S
10
0
V
SS
V
SS
0
0.3
0.5
-40
Max.
Vs+18
100
5
200
V
B
18
V
CC
V
DD
V
DD
V
CC
0.8
5
125
Units
V
mA
V
mA
V
°
C
Symbol
Definition
Typ.
Max.
Units
Test Conditions
8.9
8.7
-
20.8
9.4
9.2
3
21.8
V
mA
V
V
DT
= V
CC
I
CC
=2 mA
UV
BS+
8.0
8.5
9.0
UV
BS-
7.8
8.3
8.8
V
-
1
mA
-
-
50
μA
V
B
=V
S
=200 V
I
BS
=2 mA
20.8
21.8
V
UV
DD+
8.2
8.7
9.2
UV
DD-
7.7
8.2
8.7
V
V
SS
=0 V
-
1
mA
V
DD
=9.5 V +Vss
V
CLAMPM
9.9
10.4
10.9
V
I
DD
=2 mA
I
LKM
-
-
50
μA
V
DD
=V
SS
=200 V
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