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參數資料
| 型號： | TPS54233DG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 390 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 10/25頁 |
| 文件大?。?/td> | 789K |
| 代理商： | TPS54233DG4 |
BOOT
VSENSE
PH
VIN
GND
EN
Vout
PH
Vin
TOPSIDE
GROUND
AREA
OUTPUT
INDUCTOR
OUTPUT
FILTER
CAPACITOR
BOOT
CAPACITOR
INPUT
BYPASS
CAPACITOR
CATCH
DIODE
SignalVIA
RouteBOOT CAPACITOR
traceonotherlayertoprovide
widepathfortopsideground
RESISTOR
DIVIDER
Feedback Trace
COMP
SS
COMPENSATION
NETWORK
ThermalVIA
SLOWSTART
CAPACITOR
UVLO
RESISTOR
DIVIDER
SLUS859B
– OCTOBER 2008 – REVISED FEBRUARY 2011
Figure 13. TPS54233 Board Layout
Estimated Circuit Area
The estimated printed circuit board area for the components used in the design of Figure 12 is 0.72 in2. This area
does not include test points or connectors.
ELECTROMAGNETIC INTERFERENCE (EMI) CONSIDERATIONS
As EMI becomes a rising concern in more and more applications, the internal design of the TPS54233 takes
measures to reduce the EMI. The high-side MOSFET gate drive is designed to reduce the PH pin voltage
ringing. The internal IC rails are isolated to decrease the noise sensitivity. A package bond wire scheme is used
to lower the parasitics effects.
To achieve the best EMI performance, external component selection and board layout are equally important.
Follow the Step by Step Design Procedure above to prevent potential EMI issues.
18
2008–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS54233
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相關代理商/技術參數 |
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| TPS54233DR | 功能描述:直流/直流開關轉換器 28V,2A,300khZ Non- synch Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS54233DRG4 | 功能描述:直流/直流開關轉換器 28V,2A,300khZ Non- Synch Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| TPS54233EVM-373 | 功能描述:電源管理IC開發工具 TPS54233EVM-373 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS54233-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-A, 28-V INPUT, STEP-DOWN DC/DC CONVERTER WITH ECO-MODEa?￠ |
| TPS54233QDRQ1 | 功能描述:開關變換器、穩壓器與控制器 AC 3.5-28Vin,2A 300kHz SD Converter 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 |
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