參數(shù)資料
型號: IR21381Q
廠商: International Rectifier
英文描述: 3-PHASE AC MOTOR CONTROLLER IC
中文描述: 3相AC電機(jī)控制IC
文件頁數(shù): 7/30頁
文件大小: 1133K
代理商: IR21381Q
IR22381Q
PBF
/IR21381Q
(
P
b
F
)
7
AC Electrical Characteristics cont.
V
BIAS
(V
CC
,
V
BS
)
= 15V,
V
S1,2,
3
=V
SS
,
T
A
= 25 °C and C
L
= 1000pF
unless otherwise specified.
Symbol
Definition
Min. Typ. Max. Units
Test Conditions
Propagation Delay Characteristics cont.
t
DS
Soft shutdown minimum pulse width of desat
— 3000
CL=1000pF,
V
DS
=15V
Figure 8-9
V
HIN
= 0V,
V
DS
=15V, Figure 11
t
SS
Soft shutdown duration period
DSH to FAULT propagation delay at HO turn-on
DSH to FAULT propagation delay after
blanking
DSL to FAULT propagation delay at LO turn-on
DSL to FAULT propagation delay after
blanking
DSB to FAULT propagation delay
— 6000
— 4800
— 3300
t
FLT,DESAT1
t
FLT,DESAT2
t
FLT,DESAT3
t
FLT,DESAT4
— 4500
— 3000
V
LIN
= 5V,
V
DS
=15V, Figure 11
t
FLTDSB
— 3000
ns
V
BRIN/N
= 0V
V
DESAT
= 15V,
Figure 11
V
DESAT
=15V,
Figure 11
V
DESAT
=15V,
Figure 15
FLTCLR pending
V
IN
= on
V
DESAT
=15V,
Figure 11
V
IN
= on
V
DESAT
=0V, Figure 14
V
IN
= on
V
DESAT
=0V, Figure 14
t
FLTCLR
LIN1=LIN2=LIN3=0 to FAULT
9.0
9.0
15.0
21.0
t
fault
Minimum FAULT duration period
μ
s
t
BL
DS blanking time at turn on
— 4500
t
SD
SD to output shutdown propagation delay
600
900
t
EN
SD disable propagation delay
600
900
t
onBR
t
offBR
t
rBR
t
fBR
BR output turn-on propagation
BR output turn-off propagation
BR output turn-on rise time
BR output turn-off fall time
— 130 250
110
125
235
200
200
400
ns
Figure 7
Dead-time/Delay Matching Characteristics
800 1000 1200
Figure 12, External
resistor=39k
Figure 12,External
resistor=0k
Figure 12, External
resistor=220k
DT=1000ns
Figure 12
76 100
124
DT
Deadtime
4500 5000 5500
Deadtime asymmetry skew, any of
DTL
off1,2,3
-DTH
off1,2,3
PWM propagation delay matching max {ton/toff}
-min {ton/toff}, (ton/toff are applicable to all six
channels)
Voltage feedback delay matching, I any of
t
VFHL1,2,3
,
t
VFHHL1,2,3
,
t
VFLL1,2,3
, t
VFLH1,2,3
- any of t
VFHL1,2,3
,
t
VFHHL1,2,3
,
t
VFLL1,2,3
, t
VFLH1,2,3
125
125
MDT
PM
DT=1000ns
Figure 12
400
VM
ns
Input pulse width
>
400nsec, Figure 13
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