参数资料
型号: IR3092
厂商: International Rectifier
英文描述: 2 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC
中文描述: 2相皓龙,速龙,或控制IC的VR10.X
文件页数: 25/37页
文件大小: 619K
代理商: IR3092
IR3092
Page 25 of 37
06/25/04
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. Choose the desired crossover frequency fc1 around fc estimated by Equation (13) and
determine R
COMP and
C
COMP.
C
L
f
R
M
IN
C
FB
E
E
F
C
COMP
V
R
2
1
)
2
S
(14)
COMP
E
E
COMP
R
L
C
10
(15)
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 (14), V
IN
is the input voltage, F
M
is the PWM
comparator gain (refer to equation (22)).
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 (16).
R
f
*
*
2
S
Choose the desired crossover frequency fc1 around fc estimated by Equation (16). 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 (17),
and determine C
FB
and C
DRP
from Equations (18) and (19).
1
1
to
FB
FB
R
R
3
1
FB
R
f
S
C
R
R
C
LE
FB
CS
E
DRP
C
R
R
G
C
(16)
FB
FB
R
R
2
2
1
(17)
1
1
4
FB
C
C
(18)
DRP
FB
FB
FB
DRP
R
)
(
1
(19)
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 (20) and (21), where F
M
is the PWM
comparator gain defined by Equation (22).
L
f
R
M
I
FB
E
E
C
COMP
F
V
R
C
2
1
)
2
S
(20)
COMP
E
E
COMP
R
C
L
C
10
(21)
相关PDF资料
PDF描述
IR3092MTR 2 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC
IR3220 FULLY PROTECTED H-BRIDGE FOR D.C. MOTOR
IR3500 XPHASE3TM VR11.0 & AMD PVID CONTROL IC
IR3500MPBF XPHASE3TM VR11.0 & AMD PVID CONTROL IC
IR3500MTRPBF XPHASE3TM VR11.0 & AMD PVID CONTROL IC
相关代理商/技术参数
参数描述
IR3092M 功能描述:IC CONTROLLER 2PHASE 48-MLPQ RoHS:否 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)
IR3092MPBF 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)
IR3092MTR 功能描述:IC CONTROLLER 2PHASE 48-MLPQ RoHS:否 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)
IR3092MTRPBF 功能描述:IC CONTROLLER 2PHASE 48-MLPQ 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)
IR3093M 制造商:IRF 制造商全称:International Rectifier 功能描述:3 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC