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參數(shù)資料
| 型號： | TPS40100RGER |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | GREEN, PLASTIC, QFN-24 |
| 文件頁數(shù)： | 11/39頁 |
| 文件大?。?/td> | 762K |
| 代理商： | TPS40100RGER |
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K3 + tan QLEAD ) tan QLEAD ) 1 (dimensionless)
(34)
fZ3 +
fC
K3
(Hz)
(35)
fP3 + fC K3 (Hz)
(36)
KLF +
KCOMP(co)
K3
(dimensionless)
(37)
R2 + KLF R1 (W)
(38)
KHF + KCOMP(co) K3 (dimensionless)
(39)
R3 +
R1 R2
KHF R1 * R2
(W)
(40)
C3 +
1
2 p
R3 fP3
(F)
(41)
TPS40100
SLUS601–MAY 2005
APPLICATION INFORMATION (continued)
Select the required extra phase lead beyond the Type II compensation to obtain the required phase margin and
calculate the required multiple for the additional pole and zero:
where
ΘLEAD is the required extra phase lead to be generated by the addition of the extra pole and zero
K3 is the multiplier applied to fC to get the new pole and zero locations
The locations of fZ3 and fP3 are:
where
K3 is the multiplier applied to fC to get the new pole and zero locations
fZ3 is the zero created by the addition of R3 and C3
fP3 is the pole created by the addition of R3 and C3
The required gain, KCOMP(co), from the compensator at fC, is the same as for the Type II compensation, found in
Equation 30. The gain KLF (see Figure 9) is found by:
R2 can then be found:
The high-frequency gain is:
Now:
The remaining pole and zero are located a decade above and below fC as before. Equation 31 and Equation 32
canbeusedtosolvefor C1 and C2 as before.
19
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| TPS40100RGERG4 | 功能描述:DC/DC 開關控制器 Wide In Range Sync Buck for Sequencing RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 |
| TPS40100RGET | 功能描述:DC/DC 開關控制器 Wide In Range Sync Buck for Sequencing RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 |
| TPS40100RGETG4 | 功能描述:DC/DC 開關控制器 Wide In Range Sync Buck for Sequencing RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 |
| TPS40101 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH ADVANCED SEQUENCING AND OUTPUT MARGINING |
| TPS40101RGER | 功能描述:DC/DC 開關控制器 Mid Range Input Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 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 |
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