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參數資料
| 型號： | TPS54331QDRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, DSO-8 |
| 文件頁數： | 1/25頁 |
| 文件大小： | 735K |
| 代理商： | TPS54331QDRQ1 |
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www.ti.com
SLVSAB5 – NOVEMBER 2010
3-A, 28-V INPUT, STEP-DOWN SWIFT DC/DC CONVERTER WITH Eco-Mode
Check for Samples: TPS54331-Q1
1
FEATURES
APPLICATIONS
Consumer Applications such as Set-Top
2
Qualified for Automotive Applications
Boxes, CPE Equipment, LCD Displays,
3.5V to 28V Input Voltage Range
Peripherals, and Battery Chargers
Adjustable Output Voltage Down to 0.8V
Industrial and Car Audio Power Supplies
Integrated 80 m
High Side MOSFET Supports
5-V, 12-V and 24-V Distributed Power Systems
up to 3A Continuous Output Current
High Efficiency at Light Loads with Pulse
DESCRIPTION
Skipping Eco-mode Control
The TPS54331 is a 28-V, 3-A non-synchronous buck
Fixed 570kHz Switching Frequency
converter that integrates a low RDS(on) high side
Typical 1mA Shutdown Quiescent Current
MOSFET. To increase efficiency at light loads, a
pulse skipping Eco-mode feature is automatically
Adjustable Slow Start Limits Inrush Currents
activated. Furthermore, the 1 mA shutdown supply
Programmable UVLO Threshold
current allows the device to be used in battery
Overvoltage Transient Protection
powered applications. Current mode control with
internal slope compensation simplifies the external
Cycle-by-Cycle Current Limit, Frequency Fold
compensation calculations and reduces component
Back and Thermal Shutdown Protection
count while allowing the use of ceramic output
Available in Easy-to-Use SOIC8 Package
capacitors. A resistor divider programs the hysteresis
Supported by SwitcherPro Software Tool
of the input under-voltage lockout. An overvoltage
transient protection circuit limits voltage overshoots
during startup and transient conditions. A cycle by
cycle current limit scheme, frequency fold back and
For SWIFT Documentation, See the TI
thermal shutdown protect the device and the load in
Website at www.ti.com/swift
the event of an overload condition. The TPS54331 is
available in an 8-pin SOIC package that has been
internally optimized to improve thermal performance.
SIMPLIFIED SCHEMATIC
EFFICIENCY
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
SWIFT, Eco-mode, SwitcherPro, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS54332 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.5A, 28V, 1MHz, STEP DOWN DC/DC CONVERTER WITH Eco-modea?￠ |
| TPS54332DDA | 功能描述:直流/直流開關調節器 DC/DC Converter with Eco-mode 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 |
| TPS54332DDAR | 功能描述:直流/直流開關轉換器 DC/DC Converter with Eco-mode 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 |
| TPS54332EVM-416 | 功能描述:電源管理IC開發工具 5-15V,3A,SWIFT Buck Converter Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS54334DDA | 功能描述:Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-PowerSOIC (0.154", 3.90mm Width) 制造商:texas instruments 系列:- 包裝:管件 零件狀態:有效 功能:降壓 輸出配置:正 拓撲:降壓 輸出類型:可調式 輸出數:1 電壓 - 輸入（最小值）:4.2V 電壓 - 輸入（最大值）:28V 電壓 - 輸出（最小值/固定）:0.8V 電壓 - 輸出（最大值）:24V 電流 - 輸出:3A 頻率 - 開關:570kHz 同步整流器:是 工作溫度:-40°C ~ 150°C（TJ） 安裝類型:表面貼裝 封裝/外殼:8-PowerSOIC（0.154"，3.90mm 寬） 供應商器件封裝:8-SO PowerPad 標準包裝:75 |
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