参数资料
型号: IR3080MTR
厂商: International Rectifier
英文描述: XPHASE VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT
中文描述: XPHASE VRD10控制集成电路VCCVID
文件页数: 35/41页
文件大小: 2267K
代理商: IR3080MTR
IR3080
=
10
=
V
=
k
V
R
C
L
f
R
O
RAMP
FB
E
E
C
CP
65
.
*
20
3
75
.
*
162
)
62
10
*
22
3
(
)
/
10
*
100
(
)
10
*
140
2
)
2
6
9
2
3
2
π
π
nF
R
C
L
C
CP
E
E
CP
27
10
65
.
)
62
*
10
*
22
3
(
)
/
10
*
100
(
10
10
6
9
=
=
=
Choose C
CP1
=47pF to reduce high frequency noise.
CURRENT SHARE LOOP COMPENSATION
The crossover frequency of the current share loop f
CI
should be at least one decade lower than that of the voltage
loop f
C
. Choose the crossover frequency of current share loop f
CI
=3.5kHz
,
and calculate C
SCOMP
,
10
*
100
*
10
*
2
18
)
(
*
)
(
DAC
I
DAC
PWMRMP
I
V
V
V
V
V
*
2
1
*
*
*
*
*
65
.
LE
ROOM
CS
O
I
PWMRMP
SCOMP
f
V
π
011
.
)
12
(
*
)
75
.
12
(
75
.
*
10
*
800
*
*
*
*
3
12
3
=
=
=
PWMRMP
SW
PWMRMP
PWMRMP
R
MI
V
f
C
F
6
_
10
*
05
.
*
2
*
)]
(
*
*
CI
O
MI
O
O
E
CI
F
I
V
C
f
R
G
I
V
R
C
+
=
π
6
4
4
6
3
3
10
*
05
.
*
3500
2
)
10
*
1
*
105
33
.
011
.
*
105
)
10
*
1
*
105
33
.
*
62
*
10
*
22
*
3500
*
2
1
)
10
*
5
*
34
*
105
*
12
*
10
*
2
18
*
65
.
+
=
π
π
nF
6
20
=
Choose C
SCOMP
=22nF
Page 35 of 41
9
/30/04
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