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參數(shù)資料
| 型號： | L6712D |
| 廠商： | 意法半導體 |
| 英文描述： | TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
| 中文描述： | 兩相交錯DC / DC控制器 |
| 文件頁數(shù)： | 24/27頁 |
| 文件大?。?/td> | 1074K |
| 代理商： | L6712D |
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L6712A L6712
24/27
ing point must be routed as parallel traces in order to avoid the pick-up of any noise. It's also important to
avoid any offset in the measurement and to get a better precision, to connect the traces as close as pos-
sible to the sensing elements, dedicated current sense resistor or low side mosfet R
dsON
.
Moreover, when using the low side mosfet R
dsON
as current sense element, the ISENx pin is practically
connected to the PHASEx pin. DO NOT CONNECT THE PINS TOGETHER AND THEN TO THE HS
SOURCE! The device won't work properly because of the noise generated by the return of the high side
driver. In this case route two separate nets: connect the PHASEx pin to the HS Source (route together
with HGATEx) with a wide net (30 mils) and the ISENx pin to the LS Drain (route together with PGNDSx).
Moreover, the PGNDSx pin is always connected, through the Rg resistor, to the PGND: DO NOT CON-
NECT DIRECTLY TO THE PGND! In this case the device won't work properly. Route anyway to the LS
mosfet source (together with ISENx net).
Right and wrong connections are reported in Figure 17.
Symmetrical layout is also suggested to avoid any unbalance between the two phases of the converter.
Figure 17. PCB layout connections for sense nets.
To HS Gate
and Source
To LS Drain
and Source
To PHASE
connection
VIA to GND plane
Wrong (left) and correct (right) connections for the current reading sensing nets.
NOT CORRECT
CORRECT
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| L6712DTR | 功能描述:開關變換器、穩(wěn)壓器與控制器 2-Ph Interleaved 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712Q | 功能描述:開關變換器、穩(wěn)壓器與控制器 2-Ph Interleaved 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712QTR | 功能描述:開關變換器、穩(wěn)壓器與控制器 2-Ph Interleaved 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 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| L6712大電流DCDC轉換器 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| L6713A | 功能描述:DC/DC 開關控制器 2/3 Phase controller 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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