参数资料
型号: IR3088AMTR
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: 24/34页
文件大小: 1264K
代理商: IR3088AMTR
IR3088A
Bootstrap Capacitor C
BST
Choose C
BST
=0.1uF
Decoupling Capacitors for Phase IC and Power Stage
Choose C
VCC
=0.1uF, C
VCCL
=0.1uF
VOLTAGE LOOP COMPENSATION
Type II compensation is used for the converter with AL-Polymer output capacitors. Choose the crossover frequency
fc=40kHz, which is 1/10 of the switching frequency per phase, and determine Rcp and C
CP
.
=
+
R
C
f
V
C
C
O
2
1
*
)
10
20
35
.
)
*
*
*
2
1
*
π
=
=
+
=
k
V
R
C
L
f
R
RAMP
2
FB
E
E
C
CP
0
)
10
*
7
*
10
*
560
*
10
*
40
*
8
365
)
10
10
560
(
)
10
220
(
)
10
40
2
)
2
2
3
6
3
3
6
9
2
3
2
π
π
π
nF
R
C
L
C
CP
E
E
CP
71
10
0
)
10
*
10
560
(
3
)
/
10
220
(
10
10
6
9
=
=
, Choose C
CP
=68nF
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
=4kHz
,
and calculate C
SCOMP
,
10
*
220
*
10
*
2
16
)
(
*
)
(
DAC
I
DAC
PWMRMP
I
V
V
V
V
V
*
2
1
*
*
*
*
*
65
.
LE
ROOM
CS
O
I
PWMRMP
SCOMP
f
V
π
3
3
2
1
)
10
*
47
.
*
34
*
105
*
12
*
10
*
2
16
*
65
.
nF
4
31
=
Choose C
SCOMP
=33nF
011
.
)
35
.
12
(
*
)
35
.
8
12
(
8
*
10
*
400
*
*
*
*
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
3
4
4
6
3
10
*
05
.
*
10
*
4
2
)
10
*
1
*
105
33
.
011
.
*
105
)
10
*
1
*
105
33
.
*
10
*
10
*
560
*
10
π
*
4
*
+
=
π
Page 24 of 34
9/30
/04
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IR3088MPBF 功能描述:IC CONTROLLER PHASE 20L-MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:XPhase™ 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像,声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP(8x8) 包装:管件
IR3088MTR 制造商:IRF 制造商全称:International Rectifier 功能描述:XPHASE PHASE IC WITH FAULT AND OVERTEMP DETECT