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参数资料
| 型号： | IR3093M |
| 厂商： | International Rectifier |
| 英文描述： | 3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC |
| 中文描述： | 3相皓龙，速龙，或控制IC的VR10.X |
| 文件页数： | 27/39页 |
| 文件大小： | 693K |
| 代理商： | IR3093M |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| IR3093MPBF | 功能描述:IC VID VOLTAGE PROGRAMMER 48MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| IR3093MTR | 制造商:IRF 制造商全称:International Rectifier 功能描述:3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC |
| IR3093MTRPBF | 功能描述:IC CTLR 3PHASE VR10 48-MLQP RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| IR3094MPBF | 功能描述:IC REG CTRLR BUCK PWM VM 48MLPQ RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
| IR3094MTRPBF | 功能描述:开关变换器、稳压器与控制器 XPHASE VRD10 CTRL IC CTRL IC 200 to 700mV RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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