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參數(shù)資料
| 型號(hào)： | IR3093MTR |
| 廠商： | International Rectifier |
| 英文描述： | 3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC |
| 中文描述： | 3相皓龍，速龍，或控制IC的VR10.X |
| 文件頁(yè)數(shù)： | 27/39頁(yè) |
| 文件大小： | 693K |
| 代理商： | IR3093MTR |
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IR3093
Page 27 of 39
07/15/04
M
IN
FB
E
E
F
C
COMP
V
R
C
L
f
R
2
1
)
2
S
(17)
COMP
E
E
COMP
R
C
L
C
10
(18)
C
CP1
is optional and may be needed in some applications to reduce the jitter caused by the high frequency noise.
A ceramic capacitor between 10pF and 220pF is usually enough.
In equation (17), V
IN
is the input voltage, F
M
is
the PWM comparator gain (refer to equation (25)).
Type III Compensation
Determine the compensation at no load, the worst case condition. Assume the time constant of the resistor and
capacitor across the output inductors matches that of the inductor, the crossover frequency of the voltage loop can
be estimated by Equations (19).
R
f
*
*
2
S
Choose the desired crossover frequency fc1 around fc estimated by Equation (19). Select other components to
ensure the slope of close loop gain is -20dB/Dec around the crossover frequency. Choose resistor R
FB1
according
to Equation (20), and determine C
FB
and C
DRP
from Equations (21) and (22).
1
1
to
LE
FB
CS
E
DRP
C
R
R
G
C
(19)
FB
FB
R
R
2
FB
FB
R
R
3
2
1
(20)
1
1
4
1
FB
C
FB
R
f
C
S
(21)
DRP
FB
FB
FB
DRP
R
C
R
R
C
)
(
1
(22)
R
COMP
and C
COMP
have limited effect on the crossover frequency, and are used only to fine tune the crossover
frequency and transient load response. Determine R
COMP
and C
COMP
from Equations (23) and (24), where F
M
is
the PWM comparator gain defined by Equation (25).
L
f
R
M
I
FB
E
E
C
COMP
F
V
R
C
2
1
)
2
S
(23)
COMP
E
E
COMP
R
C
L
C
10
(24)
RAMP
I
O
M
V
V
V
*
F
(25)
C
CP1
is optional and may be needed in some applications to reduce the jitter caused by the high frequency noise.
A ceramic capacitor between 10pF and 220pF is usually enough.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IR3093MTRPBF | 功能描述:IC CTLR 3PHASE VR10 48-MLQP RoHS:是 類別:集成電路 (IC) >> PMIC - 電源控制器，監(jiān)視器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 應(yīng)用:多相控制器 輸入電壓:- 電源電壓:9 V ~ 14 V 電流 - 電源:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:40-TQFN-EP（5x5） 包裝:帶卷 (TR) |
| IR3094MPBF | 功能描述:IC REG CTRLR BUCK PWM VM 48MLPQ RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無(wú) 回掃:無(wú) 反相:無(wú) 倍增器:無(wú) 除法器:無(wú) Cuk:無(wú) 隔離:無(wú) 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
| IR3094MTRPBF | 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 |
| IR3094PBF | 制造商:IRF 制造商全稱:International Rectifier 功能描述:3 PHASE PWM CONTROLLER FOR POINT OF LOAD |
| IR30BQ060TR | 制造商:International Rectifier 功能描述: |
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