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參數(shù)資料
| 型號： | IR3080MTR |
| 廠商： | International Rectifier |
| 英文描述： | XPHASE VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT |
| 中文描述： | XPHASE VRD10控制集成電路VCCVID |
| 文件頁數(shù)： | 34/41頁 |
| 文件大?。?/td> | 2267K |
| 代理商： | IR3080MTR |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁當(dāng)前第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁
IR3080
The over temperature setting voltage of phases 1, 2, 5, and 6 is lower than the phase delay setting voltage,
VBIAS*RA
PHASEx.
Pre-select R
PHASE11
=10k
,
=
RA
V
PHASEx
BIAS
1
8
)
1
=
RA
V
PHASEx
BIAS
)
665
.
1
*
8
)
1
*
R
PHASE21
=10k
, R
PHASE22
=2.94k
, R
PHASE23
=4.64k
R
PHASE51
=10k
, R
PHASE52
=2.32k
, R
PHASE53
=4.42k
R
PHASE61
=10k
, R
PHASE62
=8.25k
, R
PHASE63
=6.49k
The over temperature setting voltage of Phases 3 and 4 is higher than the phase delay setting voltage,
VBIAS*RA
PHASEx.
Pre-select
R
PHASEX1
=10k
,
=
HOTSET
BIAS
V
V
=
V
V
HOTSET
BIAS
79
.
8
R
PHASE41
=10k
, R
PHASE42
=768
, R
PHASE43
=2.80k
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 III compensation is used for the converter with only ceramic output capacitors. The crossover frequency and
phase margin of the voltage loop can be estimated as follows.
R
f
LE
FB
CS
E
34
)
10
*
22
62
(
2
2
π
π
180
)
tan(
90
1
π
2
3
Choose the desired crossover frequency fc (=140kHz) around fc1 estimated above, and calculate
1
4
1
π
π
C
R
R
C
DRP
576
=
=
k
R
V
V
RA
R
PHASEx
HOTSET
BIAS
PHASEx
PHASEx
1
12
)
665
.
10
*
10
)
79
.
8
665
.
*
)
(
3
1
2
=
=
k
R
V
R
PHASEx
HOTSET
PHASEx
87
.
10
*
1
12
79
.
3
1
3
=
=
887
79
.
8
10
*
10
)
198
.
79
.
)
(
3
31
3
32
PHASE
BIAS
PHASE
HOTSET
PHASE
R
V
RA
V
R
=
=
k
R
V
RA
R
PHASE
BIAS
PHASE
PHASE
67
.
10
*
10
8
198
.
*
3
31
3
33
kHz
R
R
G
C
DRP
C
146
)
/
10
*
5
162
576
3
6
1
=
=
=
°
=
=
63
θ
A
C
Choose
=
=
=
110
162
3
2
1
FB
FB
R
R
nF
R
f
C
FB
C
FB
2
110
10
*
140
4
1
3
=
=
=
, Choose C
FB
=5.6nF
nF
R
FB
FB
FB
DRP
7
10
*
6
)
110
162
(
)
(
9
1
=
+
=
+
=
Page 34 of 41
9
/30/04
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IR3080MTRPBF | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 XPHASE VRD10 CTRL IC CTRL IC 200 to 700mV RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| IR3080PBF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM VRD10 CONTROL IC WITH VCCVID & OVERTEMP DETECT |
| IR3081 | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASE VR 10.0 CONTROL IC |
| IR3081A | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM VR 10 CONTROL IC |
| IR3081AM | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM VR 10 CONTROL IC |
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