參數(shù)資料
型號(hào)： TPS61251DSG
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 3500 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 2 X 2 MM, PLASTIC, WSON-8
文件頁(yè)數(shù)： 8/21頁(yè)
文件大?。?/td> 446K
代理商： TPS61251DSG
L1
C
IN
C
OUT
GND
V
IN
V
OUT
R
ILIM
R2
R1
C
FF
10mm (0.39in)
7mm
(0.27in)
SLVSAF7 – SEPTEMBER 2010
www.ti.com
Figure 10. Suggested Layout without bulk capacitors (Top)
THERMAL INFORMATION
Implementation of integrated circuits in low-profile and fine-pitch surface-mount packages typically requires
special attention to power dissipation. Many system-dependant issues such as thermal coupling, airflow, added
heat sinks and convection surfaces, and the presence of other heat-generating components affect the
power-dissipation limits of a given component.
Three basic approaches for enhancing thermal performance are listed below:
Improving the power dissipation capability of the PCB design
–
E.g. increase of the GND plane on the top layer which is connected to the exposed thermal pad
–
Use thicker cupper layer
Improving the thermal coupling of the component to the PCB
Introducing airflow in the system
Junction-to-ambient thermal resistance is highly application and board-layout dependent. In applications where
high maximum power dissipation exists, special care must be paid to thermal dissipation issues in board design.
The maximum junction temperature (TJ) of the TPS61251 is 150°C.
16
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPS61251
相關(guān)PDF資料
PDF描述
TPS62000YEGR 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, BGA12
TPS62000YEGT 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, BGA12
TPS62000YEG 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, BGA12
TPS62000YZG 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, BGA12
TPS62080DSG 0.002 A SWITCHING REGULATOR, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS61251DSGR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.5MHz1.5A Current Limit92% Eff Boost 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
TPS61251DSGT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.5MHz1.5A Current Limit92% Eff Boost 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
TPS61251DSGT 制造商:Texas Instruments 功能描述:IC BOOST DC/DC CONV ADJ 3V-6.5V OUTPUT 制造商:Texas Instruments 功能描述:IC, BOOST DC/DC CONV, ADJ 3V-6.5V OUTPUT, 1.5A, 8-QFN
TPS61251EVM-517 功能描述:電源管理IC開發(fā)工具 TPS61251 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS61252 制造商:TAOS 制造商全稱:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:TINY 1.5-A BOOST CONVERTER WITH ADJUSTABLE INPUT CURRENT LIMIT
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