參數(shù)資料
型號： TPS54331DG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 14/27頁
文件大?。?/td> 794K
代理商： TPS54331DG4
V
IN
V
OUT
t-Time-5ms/div
ENA
V
OUT
t-Time-5ms/div
www.ti.com
SLVS839C – JULY 2008 – REVISED MARCH 2010
Figure 23. TPS54331 Start Up
Figure 24. TPS54331 Start-up Relative to Enable
SPACER
REVISION HISTORY
Changes from Original (July 2008) to Revision A
Page
Changed the Elect Char - Shutdown supply current test condition From: -40°C to 25°C To: From: -40°C to 85°C and
the MAX value from 10A to 4A ......................................................................................................................................... 3
Changes from Revision A (August 2008) to Revision B
Page
Added 25°C to the Switching frequency test condition in the Elect Char table. ................................................................... 3
Changed the Switching frequency Max value From: 740kHz To: 684kHz, and the Min value From: 400kHz To:
456kHz .................................................................................................................................................................................. 3
Added 25°C to the Minimum controllable on time test condition in the Elec Char table. ..................................................... 3
Changed the Minimum controllable on time TYP value From: 110ns To: 105ns, and the Max value From: 160ns to
130ns .................................................................................................................................................................................... 3
Changed Rsense = 1
/11 To: 1/12 in Equation 18 legend ............................................................................................. 14
Changed equation From: (VINmax - IOmin x Rin) To: (VINmax - IOmin x RDS(on) min) .................................................................... 16
Changes from Revision B (October 2008) to Revision C
Page
Added a new table to the Description - For additional design needs ................................................................................... 2
Changed the ABSOLUTE MAXIMUM RATINGS table, Input Voltage - EN pin max value From: 5V to 6V ........................ 2
Copyright 2008–2010, Texas Instruments Incorporated
21
Product Folder Link(s): TPS54331
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54331DR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3A 28V In Step Down SWIFT DC/DC Cnvrtr 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 安裝風格:SMD/SMT
TPS54331DRG4 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 26V,3A DC-DC 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 安裝風格:SMD/SMT
TPS54331DR-P 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
TPS54331EVM-232 功能描述:電源管理IC開發(fā)工具 SWIFT Cnvrtr 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
TPS54331EVM-232 制造商:Texas Instruments 功能描述:DEVELOPMENT TOOL
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