参数资料
型号: IR3088AM
厂商: International Rectifier
英文描述: XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT
中文描述: XPHASETM相集成电路及超温故障检测
文件页数: 20/34页
文件大小: 1264K
代理商: IR3088AM
IR3088A
K
V
V
f
C
L
R
R
O
PWMRMP
C
E
E
FB
CP
=
2
)
2
π
(37)
CP
C
CP
R
f
K
C
=
π
2
(38)
CP
C
CP
R
K
f
C
=
π
2
1
1
(39)
FB
C
FB
R
f
K
C
=
π
2
(40)
FB
C
FB
C
K
f
R
=
π
2
1
1
(41)
CURRENT SHARE LOOP COMPENSATION
The crossover frequency of the current share loop should be at least one decade lower than that of the voltage loop
in order to eliminate the interaction between the two loops. A capacitor from SCOMP to ground is usually enough
for the share loop compensation. Choose the crossover frequency of current share loop (f
CI
) based on the
crossover frequency of voltage loop (f
C),
and determine the C
SCOMP
,
1
*
*
*
*
*
65
.
LE
ROOM
CS
O
I
PWMRMP
SCOMP
f
V
π
Where F
MI
is the PWM gain in the current share loop
,
*
*
*
PWMRMP
SW
PWMRMP
PWMRMP
MI
V
V
V
V
V
6
_
10
*
05
.
*
2
*
)]
(
*
*
*
2
CI
O
MI
O
O
E
CI
F
I
V
C
f
R
G
I
V
R
C
+
=
π
(42)
)
(
*
)
(
DAC
I
DAC
PWMRMP
I
V
f
C
R
F
=
(43)
Page 20 of 34
9/30
/04
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