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參數(shù)資料
| 型號(hào)： | TPS54872EVM-222 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-Amp SWIFT Regulator Evaulation Module(8A SWIFT穩(wěn)壓器TPS54872的評(píng)估模塊) |
| 中文描述： | 8安培的SWIFT穩(wěn)壓Evaulation模塊（8A條SWIFT的穩(wěn)壓器TPS54872的評(píng)估模塊） |
| 文件頁數(shù)： | 35/43頁 |
| 文件大?。?/td> | 785K |
| 代理商： | TPS54872EVM-222 |
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Layout
3-2
3.1
Layout
The board layout for the TPS54x72EVM–222 is shown in Figure 3–1 through
Figure 3–6. The top side layer of the TPS54x72EVM–222 is laid out in a
manner typical of a user application. The bottom layer of the
TPS54x72EVM–222 is designed to accommodate an optional alternate output
filter configuration. The top and bottom layers are 1.5 oz. copper, while the two
internal layers are 0.5 oz. copper.
The top layer contains the main power traces for V
I
, V
O
, and V
(phase)
. Also on
the top layer are connections for the remaining pins of the TPS54x72 and a
large area filled with ground. The two internal layers are identical and are
dedicated ground planes. The bottom layer contains pads for an optional
alternate output filter including space for three D3 or D4 case size electrolytic
capacitors and an alternate inductor of 0.5 in. x 0.5 in. size ground traces. The
top and bottom ground traces are connected to the internal ground planes with
45 vias placed around the board including 12 directly under the TPS54x72
device to provide a thermal path from the PowerPAD
land to ground.
The input-decoupling capacitors (C4 and C8), bias-decoupling capacitor (C9),
and boot-strap capacitor (C6) are all located as close to the IC as possible. In
addition, the compensation components are also kept close to the IC. The
compensation circuit ties to the output voltage at the point of regulation,
adjacent to the high frequency bypass output capacitor.
Figure 3–1.Top-Side Layout
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPS54972EVM-222 | 9-Amp SWIFT Regulator Evaulation Module(9A SWIFT穩(wěn)壓器TPS54972的評(píng)估模塊) |
| TPS54673EVM | 6-Amp SWIFT Regulator With Disabled Sink During Start-Up Evaulation Module(帶上電時(shí)禁止吸收電流功能的6A SWIFT穩(wěn)壓器TPS54673的評(píng)估模塊) |
| TPS54683EVM-225 | 8-Amp SWIFT Regulator With Disabled Sink During Start-Up Evaulation Module(帶上電時(shí)禁止吸收電流功能的8A SWIFT穩(wěn)壓器TPS54873的評(píng)估模塊) |
| TPS54680EVM | 6-Amp SWIFT Regulator Evaulation Module(6A SWIFT穩(wěn)壓器TPS54680的評(píng)估模塊) |
| TPS54880EVM | 8-Amp SWIFT Regulator Evaulation Module(8A SWIFT穩(wěn)壓器TPS54880的評(píng)估模塊) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS54872PWP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 8A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54872PWPG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 8A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54872PWPR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 8A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54872PWPRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 8A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54873 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4-V TO 6-V INPUT, 8-A OUTPUT SYNCHRONOUS BUCK SWITCHER WITH DISABLED SINKING DURING START-UP |
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