參數(shù)資料
型號(hào)： IR3088A
廠商： International Rectifier
英文描述： XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT
中文描述： XPHASETM相集成電路及超溫故障檢測(cè)
文件頁(yè)數(shù)： 28/34頁(yè)
文件大小： 1264K
代理商： IR3088A
IR3088A
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
,
=
32
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
=
=
887
79
.
8
10
*
10
)
198
.
79
.
)
(
3
31
3
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
C
R
R
C
DRP
FB
FB
FB
DRP
7
576
10
*
6
)
110
162
(
)
(
9
1
=
+
=
+
=
=
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
,
Page 28 of 34
9/30
/04
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IR3088A_05 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT
IR3088AM 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT
IR3088AMPBF 功能描述:IC XPHASE CONTROL 20L-MLPQ RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:XPhase™ 應(yīng)用說(shuō)明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
IR3088AMTR 功能描述:IC XPHASE W/FAULT DET 20L-MLPQ RoHS:否 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:XPhase™ 應(yīng)用說(shuō)明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
IR3088AMTRPBF 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 XPHASE IC W/ FAULT OVERTEMP DETECT 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
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