參數(shù)資料
型號： IR3080
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)： 33/41頁
文件大?。?/td> 2267K
代理商： IR3080
IR3080
=
6
=
=
576
10
*
91
.
2
30
*
3
10
*
64
.
162
3
_
_
O
MIN
CS
MAX
n
L
FB
DRP
R
R
G
R
R
Control IC Over Temperature Setting Resistors R
HOTSETC1
and R
HOTSETC2
Set the temperature threshold at 115 oC, which corresponds 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
.
=
+
=
+
=
=
V
V
HOTSET
BIAS
79
.
8
Body Braking Related Resistors
R
BBFB
and
R
BBDRP
N/A. The body braking during Dynamic VID is disabled.
IR3086 EXTERNAL COMPONENTS
PWM Ramp Resistor
R
PWMRMP
and Capacitor C
PWMRMP
Set PWM ramp magnitude V
PWMRMP
=0.75V. Choose 100pF for PWM ramp capacitor C
PWMRMP
, and calculate the
resistor R
PWMRMP
,
V
R
V
79
3
3
, choose R
HOTSETC1
=10.0k
,
=
=
k
V
R
R
HOTSET
HOTSETC
HOTSETC
57
.
79
.
10
*
10
3
1
2
)]
ln(
)
[ln(
*
*
*
PWMRMP
V
DAC
V
IN
DAC
V
IN
PWMRMP
SW
IN
O
PWMRMP
V
V
C
f
V
=
=
k
2
18
)]
75
.
3
12
ln(
)
12
[ln(
12
10
*
100
3
10
*
800
12
28
.
=
Inductor Current Sensing Capacitor
C
CS+
and Resistors
R
CS+
and
R
CS-
Choose 47nF for capacitor C
CS+
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-
,
25
.
4
Combined Over Temperature and Phase Delay Setting Resistors
R
PHASEx1
,
R
PHASEx2
and
R
PHASEx3
The over temperature setting resistor divider is combined with the phase delay resistor divider. Set the temperature
threshold at 115 oC, which corresponds the IC die temperature of 116 oC, and calculate the HOTSET threshold
voltage corresponding to the temperature thresholds.
T
V
J
HOTSET
.
241
.
116
10
*
73
.
241
.
10
*
73
.
=
+
=
+
=
The phase delay resistor ratios for phases 1 to 6 at 800kHz of switching frequencies are RA
PHASE1
=0.665,
RA
PHASE2
=0.432, RA
PHASE3
=0.198, RA
PHASE4
=0.206, RA
PHASE5
=0.401 and RA
PHASE6
=0.597 starting from down-
slope.
=
=
=
+
+
k
C
L
CS
22
.
)
10
*
5
/(
10
*
100
9
3
9
=
=
=
+
k
R
R
CS
CS
61
.
10
*
22
.
4
25
.
3
V
79
3
3
Page 33 of 41
9
/30/04
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IR3080MPBF 功能描述:IC PHASE CONTROLLER 32MLPQ 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
IR3080MPBF 制造商:International Rectifier 功能描述:Controller IC Package/Case:32-MLPQ
IR3080MTR 功能描述:IC PHASE CONTROLLER 32L 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
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
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