參數(shù)資料
型號(hào)： TPS54617RUVT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 660 kHz SWITCHING FREQ-MAX, QCC34
封裝： 3.50 X 7 MM, GREEN, VQFN-34
文件頁(yè)數(shù)： 2/21頁(yè)
文件大小： 852K
代理商： TPS54617RUVT
VOUT
PH
Vin
TOPSIDE
GROUND
AREA
VIA toGroundPlane
ANALOGGROUND TRACE
EXPOSED
POWERPAD
AREA
COMPENSATION
NETWORK
OUTPUT
INDUCTOR
OUTPUT
FILTER
CAPACITOR
BOOT
CAPACITOR
INPUT
BYPASS
CAPACITOR
INPUT
BULK
FILTER
FREQUENCY SET RESISTOR
SLOWSTART
CAPACITOR
BIASCAPACITOR
AGND
BOOT
VSENSE
COMP
PWRGD
PH
RT
SYNC
SS/ENA
VBIAS
VIN
PGND
PH
PGND
VIN
PGND
ANALOGGROUND TRACE
Estimated Circuit Area
LAYOUT CONSIDERATIONS FOR THERMAL
SLVS880A – NOVEMBER 2008 – REVISED JANUARY 2009 ........................................................................................................................................... www.ti.com
Figure 11. TPS54617 PCB Layout
The estimated printed circuit board area for the components used in the design of Figure 11 is 0.55 in2. This area
does not include test points or connectors.
heat, and any area available must be used when 6 A
or greater operation is desired. Connection from the
exposed area of the PowerPAD to the analog ground
PERFORMANCE
plane layer must be made using 0.013-inch diameter
The RUV package has been chosen to enable a
vias to avoid solder wicking through the vias.
thermal management scheme, allowing a ground
12 vias must be in the PowerPAD area located under
plane to extend beyond both ends of the package.
the device package. Additional vias beyond the
For operation at full rated load current, the analog
twelve recommended may be added in the ground
ground
plane
must
provide
an
adequate
heat
area outside the package footprint to enhance
dissipating area. A 3-inch by 3-inch plane of 1 ounce
thermal performance. The size of the vias outside of
copper is recommended, though not mandatory,
the package, not in the exposed thermal pad area,
depending on ambient temperature and airflow. Most
can be increased to 0.018.
applications have larger areas of internal ground
plane
available,
and
the
PowerPAD
must
be
connected to the largest area available. Additional
areas on the top or bottom layers also help dissipate
10
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s) :TPS54617
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54618 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.95-V to 6-V Input, 6-A Output, 2-MHz, Synchronous Step-Down Switcher
TPS54618EVM-606 功能描述:電源管理IC開(kāi)發(fā)工具 TPS54618 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
TPS54618QRTERQ1 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 6A 16WQFN 制造商:Texas Instruments 功能描述:Synchronous Step-Down Converter
TPS54618RTER 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.95-6Vin,6A,2MHz Sync Step Down SWIFT RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS54618RTET 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 2.95-6Vin,6A,2MHz Sync Step Down SWIFT RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
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