參數(shù)資料
型號(hào)： IR3082MTR
廠商： International Rectifier
英文描述： XPHASE AMD OPTERON/ATHLON 64 CONTROL IC
中文描述： XPHASE AMD皓龍/速龍64控制IC
文件頁(yè)數(shù)： 25/33頁(yè)
文件大?。?/td> 444K
代理商： IR3082MTR
IR3082
Page 25 of 25
12/17/04
DESIGN EXAMPLE
―
5-PHASE OPTERON CONVERTER
SPECIFICATIONS
Input Voltage: V
I
=12 V
DAC Voltage: V
DAC
=1.3 V
No Load Output Voltage Offset: V
O_NLOFST
=15mV
Maximum Output Current: I
OMAX
=100 ADC
Output Impedance: R
O
=0.75 m
Soft Start Time: t
SS
= 2 mS
Dynamic VID Down-Slope Slew Rate: SR
DOWN
=2.5mV/uS
Over Temperature Threshold: T
PCB
=115 oC
POWER STAGE
Phase Number: n=5
Switching Frequency: f
SW
=600 kHz
Output Inductors: L=220 nH, R
L
=0.42 m
Output Capacitors: C=47uF, R
C
= 2m
, Number Cn=32
IR3082 EXTERNAL COMPONENTS
Oscillator Resistor
Rosc
Once the switching frequency is chosen, R
OSC
can be determined from the curve in Figure 13. For switching
frequency of 600kHz per phase, choose R
OSC
=18.2k
Soft Start Capacitor
C
SS/DEL
Calculate the soft start capacitor from the required soft start time.
t
I
C
O
10
)
15
50
(
3
+
The soft start delay time is
C
I
DISCHG
10
6
V
C
t
CHG
10
66
VDAC Slew Rate Programming Capacitor
C
VDAC
and Resistor
R
VDAC
From Figure 15, the sink current of VDAC pin corresponding to 600kHz (R
OSC
=18.2k
) is 125uA. Calculate the
VDAC down-slope slew-rate programming capacitor from the required down-slope slew rate.
I
C
DOWN
10
/
10
5
Calculate the programming resistor.
+
=
+
=
2
)
10
47
(
VDAC
C
uF
V
SS
CHG
DEL
SS
0988
.
10
2
10
66
3
3
6
/
=
=
=
, choose
uF
C
DEL
SS
1
/
=
ms
C
t
DEL
SS
DEL
SS
OCDEL
5
=
09
.
09
.
6
/
/
=
=
ms
I
O
DEL
SS
VccPG
64
.
)
335
.
6
73
.
10
1
)
73
.
6
/
=
=
=
nF
SR
SINK
VDAC
50
10
3
125
6
6
=
=
=
, Choose C
VDAC
=47nF
=
10
2
5
10
2
5
2
9
15
2
15
VDAC
R
相關(guān)PDF資料
PDF描述
IR3082 XPHASE AMD OPTERON/ATHLON 64 CONTROL IC
IR3082M XPHASE AMD OPTERON/ATHLON 64 CONTROL IC
IR3086 PHASE IC WITH OVP, FAULT AND OVERTEMP DETECT
IR3086M RESISTOR 2.2 OHM 35W TO220
IR3086MTR PHASE IC WITH OVP, FAULT AND OVERTEMP DETECT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
IR3082MTRPBF 功能描述:IC CTLR XPHASE 20-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
IR3083MPBF 制造商:International Rectifier 功能描述:IC XPHASE CONTROL SMD 3083
IR3084 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASETM VR 10/11 CONTROL IC
IR3084A 制造商:IRF 制造商全稱:International Rectifier 功能描述:XPHASE TM VR 10/11 CONTROL IC
IR3084AMPBF 功能描述:IC XPHASE CONTROL 28-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
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*