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參數(shù)資料
| 型號： | SP6136EB |
| 英文描述： | Evaluation Board Manual |
| 中文描述： | 評估板手冊 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 428K |
| 代理商： | SP6136EB |
Rev 5/01/06 SP6136 Evaluation Manual Copyright 2006 Sipex Corporation
Page 6 of 9
The simple guidelines for positioning the poles and zeros and for calculating the component
values for Type III compensation are as follows:
K
R
1
68
1
=
1
8
2
1
3
=
(sets first zero)
8
×
=
Vout
R
R
(sets output voltage)
LC
R
ZSF
CZ
1
1
×
×
(
.
)
×
(
)
Vin
Vramp
CZ
fc
Cout
L
fc
RZ
×
×
+
×
×
×
=
3
28
.
1
28
2
2
(sets the cross-over frequency, fc)
LC
RZ
ZSF
CZ
1
2
1
2
×
×
=
(sets second zero)
2
28
.
1
1
RZ
fs
CP
×
×
=
(sets first high-frequency pole)
3
28
.
1
3
CZ
fs
RZ
×
×
=
(sets second high-frequency pole)
Where ZSF=(f compensation double zero)/(f circuit double pole)
Here ZSF is set at 0.8.
As a particular example, consider for the following SP6136EB, 7AMAX with a type III Voltage
Loop Compensation component selections:
Vin = 12V
Vout = 3.30V @ 0 to 7A load
Select L = 2.2 uH => 30% current ripple.
Select Cout = 100uF Ceramic capacitor (Resr
≈
5m
)
fs = 600KHz SP6136ER1 internal Oscillator Frequency
Vramp_pp = 1.0V SP6136ER1 internal Ramp Peak to Peak Amplitude
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SP6136ER1 | Evaluation Board Manual |
| SP6137 | Wide Input, 900KHz Synchronous PWM Controller |
| SP6137EU | Wide Input, 900KHz Synchronous PWM Controller |
| SP6137HV | Busway FS Plug-In 400A |
| SP6137HCU | TRANSISTOR NPN 50V SOT523 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SP6136ER1 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Evaluation Board Manual |
| SP6136ER1/TR | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Synchronous Buck Controller |
| SP6136ER1-L | 功能描述:DC/DC 開關(guān)控制器 Synchronous Buck Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| SP6136ER1-L/TR | 功能描述:DC/DC 開關(guān)控制器 Synchronous Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| SP6137 | 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Wide Input, 900KHz Synchronous PWM Controller |
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