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參數(shù)資料
| 型號： | IR3088AM |
| 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 |
| 文件頁數(shù)： | 23/34頁 |
| 文件大?。?/td> | 1264K |
| 代理商： | IR3088AM |
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IR3088A
Body Braking Related Resistors
R
BBFB
and
R
BBDRP
N/A. The body braking during Dynamic VID is disabled.
IR3088A EXTERNAL COMPONENTS
PWM Ramp Resistor
R
PWMRMP
and Capacitor C
PWMRMP
Set PWM ramp magnitude V
PWMRMP
=0.8V. Choose 220pF for PWM ramp capacitor C
PWMRMP
, and calculate the
resistor R
PWMRMP
,
V
R
33
.
12
3
)]
ln(
)
[ln(
PWMRMP
V
DAC
V
IN
DAC
V
IN
PWMRMP
SW
IN
O
PWMRMP
V
V
C
f
V
=
=
=
k
1
16
)]
8
35
.
12
ln(
)
35
.
12
[ln(
10
*
220
10
*
400
12
, choose R
PWMRMP
=16.2k
Inductor Current Sensing Capacitor
C
CS+
and Resistors
R
CS+
and
R
CS-
Choose C
CS+
=47nF, and calculate R
CS+,
R
L
R
CS
10
*
47
The bias currents of CSIN+ and CSIN- are 0.25uA and 0.4uA respectively. Calculate resistor R
CS-
,
=
=
+
k
R
R
CS
CS
0
10
Over Temperature Setting Resistors
R
HOTSET1
and
R
HOTSET2
Use central over-temperature setting and set the temperature threshold at 115 oC, which corresponds to the IC die
temperature of 116 oC. Calculate the HOTSET threshold voltage corresponding to the temperature thresholds.
T
V
J
HOTSET
.
241
.
116
10
*
73
.
241
.
*
10
*
73
.
=
+
=
+
=
Pre-select R
HOTSET1
=10.0k
,
=
V
V
HOTSET
BIAS
79
.
8
Phase Delay Timing Resistors
R
PHASE1
and
R
PHASE2
Use central over temperature setting and set the temperature threshold at 115 oC, which corresponds to the IC die
temperature of 116 oC. Calculate the HOTSET threshold voltage corresponding to the temperature thresholds.
The phase delay resistor ratios for phases 1 to 6 at 400kHz of switching frequencies are RA
PHASE1
=0.628,
RA
PHASE2
=0.415, RA
PHASE3
=0.202, RA
PHASE4
=0.246, RA
PHASE5
=0.441 and RA
PHASE6
=0.637 starting from down-
slope. Pre-select R
PHASE11
=R
PHASE21
=R
PHASE31
=R
PHASE41
=R
PHASE51
= R
PHASE61
=10k
,
RA
R
PHASE
PHASE
628
.
1
1
1
R
PHASE22
=7.15k
, R
PHASE32
=2.55k
, R
PHASE42
=3.24k
, P
PHASE52
=7.87k
, R
PHASE62
=17.4k
=
=
=
+
+
k
C
L
CS
0
10
)
10
*
47
9
.
/(
10
*
220
3
9
V
79
3
3
=
=
k
V
R
R
HOTSET
HOTSET
HOTSET
57
.
79
.
10
*
10
3
1
2
=
=
=
k
R
RA
PHASE
PHASE
9
16
10
*
10
628
.
3
11
1
12
Page 23 of 34
9/30
/04
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| 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 |
| IR3088APBF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM PHASE IC WITH FAULT AND OVERTEMP DETECT |
| IR3088M | 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 |
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