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參數(shù)資料
| 型號(hào)： | TPS62065DSGT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 3400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 2 X 2 MM, 0.75 MM HEIGHT, GREEN, PLASTIC, WSON-8 |
| 文件頁數(shù)： | 13/28頁 |
| 文件大?。?/td> | 1208K |
| 代理商： | TPS62065DSGT |
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V
IN
V
OUT
GND
L
C
IN
C
OUT
R1
R2
C
FF
GND
Enable
Mode/PG
SLVS833A – MARCH 2010 – REVISED MAY 2010
www.ti.com
LAYOUT CONSIDERATIONS
Figure 28. PCB Layout
As for all switching power supplies, the layout is an important step in the design. Proper function of the device
demands careful attention to PCB layout. Care must be taken in board layout to get the specified performance. If
the layout is not carefully done, the regulator could show poor line and/or load regulation, stability issues as well
as EMI and thermal problems. It is critical to provide a low inductance, impedance ground path. Therefore, use
wide and short traces for the main current paths. The input capacitor should be placed as close as possible to
the IC pins as well as the inductor and output capacitor.
Connect the AGND and PGND Pins of the device to the PowerPAD land of the PCB and use this pad as a star
point. Use a common Power PGND node and a different node for the Signal AGND to minimize the effects of
ground noise. The FB divider network should be connected right to the output capacitor and the FB line must be
routed away from noisy components and traces (e.g., SW line).
Due to the small package of this converter and the overall small solution size the thermal performance of the
PCB layout is important. To get a good thermal performance a four or more Layer PCB design is recommended.
The PowerPAD of the IC must be soldered on the power pad area on the PCB to get a proper thermal
connection. For good thermal performance the PowerPAD on the PCB needs to be connected to an inner GND
plane with sufficient via connections. Please refer to the documentation of the evaluation kit.
20
Copyright 2010, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS62065DSGT | 制造商:Texas Instruments 功能描述:VOLTAGE REGULATOR IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, WSON-8 |
| TPS62065QDSGRQ1 | 功能描述:Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 2A 8-WFDFN Exposed Pad 制造商:texas instruments 系列:汽車級(jí)，AEC-Q100 包裝:剪切帶（CT） 零件狀態(tài):有效 功能:降壓 輸出配置:正 拓?fù)?降壓 輸出類型:可調(diào)式 輸出數(shù):1 電壓 - 輸入（最小值）:2.9V 電壓 - 輸入（最大值）:6V 電壓 - 輸出（最小值/固定）:0.8V 電壓 - 輸出（最大值）:6V 電流 - 輸出:2A 頻率 - 開關(guān):3MHz 同步整流器:是 工作溫度:-40°C ~ 125°C （TJ） 安裝類型:表面貼裝 封裝/外殼:8-WFDFN 裸露焊盤 供應(yīng)商器件封裝:8-WSON（2x2） 標(biāo)準(zhǔn)包裝:1 |
| TPS62067DSGR | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3MHz 2A Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62067DSGT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3MHz 2A Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| TPS62067DSGT | 制造商:Texas Instruments 功能描述:VOLTAGE REGULATOR IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN CONVERTER, WSON-8 |
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