參數(shù)資料
型號： TPS62650YFF
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 1.7 A SWITCHING REGULATOR, 6600 kHz SWITCHING FREQ-MAX, BGA9
封裝： DSBGA-9
文件頁數(shù)： 26/38頁
文件大?。?/td> 820K
代理商： TPS62650YFF
V
IN
V
O
U
T
A:EN
B:SCL
C:SDA
VSEL
GND
C2
C
1
L1
A
B
C
SLVS808A
– AUGUST 2009 – REVISED FEBRUARY 2011
LAYOUT CONSIDERATIONS
As for all switching power supplies, the layout is an important step in the design. High-speed operation of the
TPS6265x devices demand 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 and switching frequency issues as well as EMI 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. In order to get an optimum ESL step, the output voltage feedback point (FB) should be taken in the
output capacitor path, approximately 1mm away for it. The feed-back line should be routed away from noisy
components and traces (e.g. SW line).
Figure 57. Suggested Layout (Top)
32
2009–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS62650 TPS62651
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS62650YFFR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA 6MHz Synch 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
TPS62650YFFT 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA 6MHz Synch 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
TPS62651YFFR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA,6MHz High Eff 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
TPS62651YFFT 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA,6MHz High Eff 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
TPS62660EVM-419 功能描述:電源管理IC開發(fā)工具 TPS62660 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)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
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