參數資料
型號： TPS54226PWP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： DUAL SWITCHING CONTROLLER, PDSO20
封裝： GREEN, PLASTIC, HTSSOP-14
文件頁數： 9/27頁
文件大?。?/td> 923K
代理商： TPS54226PWP
SLVSA14D
– OCTOBER 2009 – REVISED FEBRUARY 2011
REVISION HISTORY
Changes from Original (October 2009) to Revision A
Page
Changed the device from Product Preview to Production .................................................................................................... 1
Changes from Revision A (October 2009) to Revision B
Page
Changed the title to include Eco-Mode ................................................................................................................................. 1
Changed features bullet to reference Eco-Mode .................................................................................................................. 1
Added Eco-Mode text to the DESCRIPTION ....................................................................................................................... 1
Added the QFN package to the DESCRIPTION .................................................................................................................. 1
Added the QFN package to the ORDERING INFORMATION table .................................................................................... 2
Added the RGT PACKAGE drawing ..................................................................................................................................... 5
Added the RGT 16 pin column to the PIN FUNCTIONS table ............................................................................................. 5
Updated the FUNCTIONAL BLOCK DIAGRAM ................................................................................................................... 6
Added text Note to the FUNCTIONAL BLOCK DIAGRAM ................................................................................................... 6
Added Eco-Mode text to the OVERVIEW section ................................................................................................................ 6
Changed section title From: Light Load Mode Control To: Light Load Eco-Mode Control ................................................... 7
Added Eco-Mode to text in the Light Load Eco-Mode Control section ................................................................................. 7
Added Note 1 to Table 1 ..................................................................................................................................................... 14
Added text to the THERMAL INFORMATION section for the QFN package ..................................................................... 15
Deleted figure
"Thermal Pad Dimensions" ......................................................................................................................... 15
Changes from Revision B (June 2010) to Revision C
Page
Changed TPS54226PWPR tape and reel quantity From: 3000 To: 2000 ............................................................................ 2
Added VCC,VIN = 12V to the conditions statement in the Electrical Characteristics table ..................................................... 3
Changes from Revision C (October 2010) to Revision D
Page
Changed
–45°C to 85°C to –40°C to 85°C in Ordering Information ..................................................................................... 2
Deleted quantities from Transport Media column ................................................................................................................. 2
Added Thermal Information table ......................................................................................................................................... 2
Changed EN low-level input voltage max from 0.4 V to 0.48 V ........................................................................................... 3
Changed Functional Block Diagram ..................................................................................................................................... 6
Changed section title From: Light Load Eco-Mode Control To: Auto-Skip Eco-Mode Control ............................................. 7
Added Auto-Skip to text in Auto-Skip Eco-Mode Control section ......................................................................................... 7
Changed Equation 1 ............................................................................................................................................................. 7
Changed Power Good section text ....................................................................................................................................... 7
Changed Current Protection section text .............................................................................................................................. 8
Changed Design Guide information .................................................................................................................................... 13
Changed C4 values in Table 1 ........................................................................................................................................... 14
2009–2011, Texas Instruments Incorporated
17
Product Folder Link(s): TPS54226
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相關代理商/技術參數
參數描述
TPS54226PWP 制造商:Texas Instruments 功能描述:DC/DC STEP DOWN CONVERTER IC 700kHz HT 制造商:Texas Instruments 功能描述:IC, SYNC STEP-DOWN DC/DC CONV, HTSSOP-14
TPS54226PWPR 功能描述:直流/直流開關調節(jié)器 4.5-18V 2A Sync Step Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54226RGTR 功能描述:直流/直流開關轉換器 4.5-18V Inp,2A Synch Step Down Converter 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
TPS54226RGTT 功能描述:直流/直流開關轉換器 4.5-18V Inp,2A Synch Step Down Converter 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
TPS54227 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5V to 18V Input, 2-A SYNCHRONOUS STEP DOWN SWIFT
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